TITLES OF CHEMICAL PAPERS JN BRITISH AND FOREIGN JOURNALS PUBLISHED IN THE YEAR 1850. A. Acids.-On the separation of certain acids of the series (CH). 0, by J.Liebig. Ann. Ch. Pharm Ixxi 3; Chem. SOC.Qu. J. iii 74. Acid Acetic.-Preparation of acetic acid on the large scale by A. Beringer. Ann. Ch. Pharm. lxxiv 345. .. .. Manufacture of acetic acid.-Pharm. J. x 31. .. . . Manufacture of the acetates of lime soda and lead.-Idem. 31. .. . . On the preparation of acetate of lead by means of pyroligneous acid by M. Schnedermaniz. Rev. Sci. xxxix 156. *. .. On the simultaneous action of heat and alkaline bases on the acids homologous with acetic acid by A. Cahours. Compt+ rend. xxxi 142. .. .. On the manufacture of pyrolygneous acid pyroxylic spirit or wood naphtha and the commercial acetates of lime soda and lead and of acetic acid.Pharm. J. x 69 135 196 300 Aconitic.-On the acid of the equisetum$uviutiZe and on certain aconitates by Jf. Bctusse. Compt. rend. xxxi 387. Arsenious.-Observations on arsenious acid realgar and orpiment by Hnusmnnn. Ann. Ch. Pharm. lxxiv is$. .. .. On some of the salts of arsenious acid by J Xteen. Idem 218. .. .. On the action of arsenious acid upon albumen by J. B Ed-wards. Chem. SOC.Qu. J. iii 14. .. .. Combination of arsenious acid with albumen by Mr. Kela-dall. Pharm. J. is. 526. Aspartic.-Formation of aspartic acid from bimalate of ammonia * by M. Dessaignes. Compt. rend. xxs. 324 ; Chem. SOC.Qu. J. iii 187. *. .. On the formation of aspartic acid from malic acid by J Wo/& Ann.Ch. Pharm. Ixxv 293. Bisulpham y1ic.-On the identity of bisulphamylic and hyposulphamylic acids by J.Donson. Chem. SOC.Qu J. iii 158. Bisulyhethy1ic.-On the identity of bisulyhethylic with hyposulphethylic acid and of bisulphimethylic with hyposulphamethylic acid by Sh. Muspmtt Chem. Soc. Qu. J. iii 18. Boracic.-On certain properties of boracic acid and on the quantitative estimation thereof by H. Rose. Pogg. Ann. Ixxx 262 ;Chem Gaz. 1850 381. EE 2 TITLES OF CHEMICAL PAPERS Acid Bromobenzoic.-On anhydrous bromobenzoic acid by M. Mdler. Compt. rend. xxx 325. Butyric.-Formation of succinicacid by the oxidation of butyric acid by M. Dessaignes. Compt. rend. xxx 56 ; also J. Pharm. [37] xvii 139.Carbolic.-On creosote and carbolic acid by Gorup-Besanez. Pharm. J. is 392. Caproic.-Contributions towards the history of caproic and enanthylic acids by J. Brazier and G. Gosslcth. Chem. SOC.Quar. J. iii 210. Ch1oric.-On the preparation of chlorate of potash on the large scale by F. C. Culvert. Chem. SOC. Qu. J. iii 106. .. Combustion experiments with chlorate of potash by A. Yogel. Ann. Ch. Pharm. Ixxiv 114. Chromic.-Mode of detecting chromates.-Rev. Sci. xxxix 198. .. On two new salts of chromic acid by A. Duncan. Phil. Mag. xxxvi 109. .. On the bichromate of ammonia and some of its double salts by R. Richmond and J. Abel. Chem. Soe. Qu. J. iii 199. Chrysammic.-Note on dulcose and on bromobenzoic and chrysammic acid by A Laurent.Compt. rend. xxx 339. .. .. On chrysammic acid by A. Lazcrent. Cornpt rend trav. chim. vi 163. Citric.-Citrate of quinine and iron by MY,Barber. Pharm. J. ix 338. Cuminic.-On the passage of cuminic acid through the animal system by A. W. Hofmann Chem. SOC. Qu. J. iii 181. Cyanic.-On the compounds produced from cyanic acid and ether by Dr. Limpricht. Ann. Ch. Pharm. lxsiv 208. Fatty.-On Chinese vegetable tallow and the fatty acid contained in it by J. B.v. Bork. J. pr. Chem. xix 395. Ferritungs tic.-On the ferritungstic and ferrimanganitungstic acids by A. 14aurent. Compt. rend. xxx 692. Fumaric.-Easy method of preparing fumaric acid by H7.DeZfls. Gallic.-On tannic gallic and metagallic acids by J. Mulder. J. pr. Chem.xlviii 90; Chem. Gaz. 18.50 41. Hippuric.-On the presence of hippuric acid in ox-blood by F. Verdeib and C. Dolfuss. Ann Ch. Pharm. lxsiv 214. .f On hippuric acid and the products of its oxidation by peroxide of lead by H. Schwarz. Idem. lxxv 190. .. Occurrence of hippuric acid in the blood.-J. pr. Chem. 1 34. Hydroeyanic.-Otr the compound of bichloride of titanium with hydro- cyanic acid by F. Woliler. Ann Ch. Pharm. lxxiii 226. .. .. On the preparation of anhydrous hydrocyanic acid by F. Wohlw. Idem. 218 ;Pharm. J. x 300. Hydrofluosi1icic.-On the use of hydrofluosilicic acid in quantitative am- lysis by H. Rose. Pogg. Ann. lxxx 403. Hydrosu1phuric.-On the products of the decomposition of hydrosul-phuric and sulphurous acid in water :by AWM.Sobrero and Selmi.Ann. Ch. Phys [3] xxviii 210. H ypoch1orous.-On hypochlorous acid and the chlorides of sulphur by 3. &fillon. Idem. xxix 506. Hyposul pham e th yli c.-vide Acid Bisulphethylic. IN BRITISH AND FOREIGN JOURNALS 421 Acid H yp osulpham ylic.-vide Acid Bisulphamylic. Hypos ul phe thy1ic.- Vide Acid Bisulphethylic. 1odic.-On anhydrous and crystallized iodic acid by V. Jucquelnin. Compt. rend. xxxi 624 .. On the various known methods of preparing iodic acid by T.A. JucqueZuin. Ann. Ch. Phys. [3] xxx 332. .. Mode of detecting iodate of potash in iodide of potassium.-Rev. Sci. xxxix 33. Lactic.-& the artificial formation of lactic acid by A. Strecker. Ann. Ch'. Pharm. lxxv 27. . Action of nascent chlorine on lactic acid by M.Stadeler. Rev. sci. xxxviii 232. Metacetic.-Method of obtaining metacetic acid in large quantities by F. KeZZer. Ann. Ch. Pharm. lxxiii 205 ; Chem. SOC.Qu. J. iii 190. Metaphosphoric.-On the various modifications of metaphosphoric acid by Th. Fleitmann. Chem. Gaz. 1850 91. .. .. On the different modifications of metaphosphoric acid.-J. pr. Chem. xxix 224. Nitric,-On anhydrous nitric acid by M. Deville. Ann. Ch. Phys. [3] xxviii 241. . Action of nitric acid on iodide of potassium by Dr. Vogel. Pharm. J. ix 391. On a qualitative test for nitric acid by J. Higgin. Chem. Gaz. a. 1850 249. .. Mode of concentrating commercial nitric acid.-Rev. Sci. xxxix. 191. . . Action of nitric acid on the organic alkaloids by T.Anderson Chem.Gaz. 1850 363. Nitrohippuric.-On the formation of nitrohippuric acid in the animal economy by C. Bertugnini. Compt. rend. xxxi 490. 0xalic.-On the quantitative estimation of oxalic acid and the mode of separating it from phosphoric acid by H. Rose. Pogg. Ann. lxxx 649. .. On the properties of oxalate of lime by A. Reynoso. J. pr. Chem. xlix 5 11. .. On the probable nan-existence of oxalate of potash and soda by C. Rummelsberg. Pogg. Ann lxxix 562. 0enanthylic.-Contributions towards the history of caproic and cenan- thylic acids by J. Brazier and G. Gosslelh. Chem. SOC. Qu. J. iii 210. Pe1argonic.-Researches on pelargonic acid by A. Cukours. Chem. Soc. Qu. J. iii. 240. Phosphoric.-On some new modifications of phosphoric acid by T.FZeit-rnann.Pogg. Ann. Ixxviii 233 338. .. ,. On the qualitative and quantitative determination of phos-phoric acid by Leconte. J. pr. Chem. xlix 380. .. . On some salts of phosphoric acid by 0.J? Kiihn. Chem. Gax. 1850 28 and 50. .. ,. Separation of phosphoric acid from alumina by N.Rose. Idem. 19. .. .. On the proportion of phosphoric acid in some natural waters by A. Volcker. Idem. 346. TITLES OF CHEMICAL PAPERS Acid Phosphoric.-On the separation of oxalic from phosphoric acid by H. Rose. Pogg. Ann. lxxx 649. .. .. Process for preparing biphosphate of lime for manure by M. Gill. Rev. Sci. xssix 197. Pyroliyn eous.-Manufacture of pyroligneous acid.-Pharm. J. x 3 1. Race rnic.-On the specific properties of the two acids which constitute racemic acid by L.Pasteur.Ann Ch. Phys. [3] xsviii 56. t. Detail of experiments made by the Commission of the Aca- demy of Sciences to verify the relations established by M. Pasteur between the rotatory actions of these two acids and that of crystal-lized tartaric acid by M. Biot. Ann. Ch. Phys. [3j xxviii 99. .. Note on Pasteur's memoir on racemic acid.4. pr. Chem. 1 129. On the racemate of potash and soda by IT,Delfs. Pogg. Ann. lxxx 493. Succinic.-Formation of succinic acid by the oxidation of butyric acid by M. Dessuignes. Compt. rend. xxx 50 ; Chem. SOC. Qu. J. iii 186. .. New researches on the formation of succinic acid by fernien- tation by 1l.I. Dessuiynes. Compt. rend. xxxi 432. .. On the occurrence of succinic acid in the human body by W.Heintz. Pogg. Ann. lxxx 114. .. Succinic acid from the residue of Sp. ATtheris nitrosi by J. Reich. Pharm. J. x 310. Sulphamy1ic.-On sulphamylic acid and some of its salts by A. Kektd6. Ann. Ch. Pharm. lxsv 275. Su1phocarbamic.-On the compounds of sulphocarbatriic acid by I& Debus. Ann. Pharm. lxxiii 26. Su1phocarbonic.-On certain decomposition products of bioxysulpho-carbonate of ethyl by H. Debus. Ann. Ch. Pharm. lxxv. 12 I. Su1phuric.-On the hydrates of sulphiiric acid by N. Jucqueluin. Compt. rend xxxi 624 ; Ann. Ch. Phys. [3] xxx 343. .. Concentration of sulphuric acid by MY. Rodw. Pharm. J. ix 390. Sulphurous.-On the products of the decomposition of hydrosulphuric and sulphurous acid in presence of water by AWi?.Sobrero and Xelmi. Ann. Ch. Phys. [3] xxviii 215. .. On the earthy alkaline sulphites and particularly on bisulphite of lime by MM. M2ne and Yinchon. Compt. rend. xxx 711. Tartaric.-On the molecular condition of tartaric acid which has been fused by heat with or without loss of its substance by M. Biot. Ann. Ch. Phys. xxix 35 341. Thionic.-Note on the thionic acids by &IN,Fordos and Ge'lis. Ann. Ch. Phys. [3] xxviii 451. Titanic.-On the preparation of pure titanic acid by F. Wohler. Ann. Ch. Pharm. lxxiv 212. Uric.-Simplified method of obtaining uric acid from serpents' excrements by W. lkZ#s. Pogg. Ann. lxxx 310. Valerie.-On the action of heat on valeric acid by A. ?V. H~finwna. Chem. SOC. Qu. J.iii 121. XM BRITISH AND FOREIGN JOURNALS. Ace tone.-Test for distinguishing acetone from pyroxylic spirit :by M. Scanlan. Pharm. J. ix 455. Acorns.-Analysis of acorns with some remarks on the occurrence of milk- sugar in seeds by H. Braconnot. J. pr. Chem. xxix 232. Air.-On the composition of the atmosphere at Moscow during the cholera time by N. Laskowsky. Ann. Ch. Pharm. lxxv 176. -On the chemical composition of atmospheric air :by Jf. Lttwy. Compt. rend. xxxi 725. A1anine.-On the direct preparation of ethylamine and on alanine by A. Strecker. J. pr. Chem. 1 56. Albite.-On a granular Albite associated with Corundum and on the Indianite of Bournon by B. Sillimun,jun. Phil. Mag. xxxv 484. Albumen.-On the action of arsenious acid upon albumen by J.B. Edwards. Chem. SOC. Qu. J. iii 14. -Combination of arsenious acid with albumen by LW~. KendaEE. Pharm. J.ix 526 2'. by:the albumen of eggs ofthe freezing onObservations-BelE. Phil. 'Trans. 1850 i 221. -Observations on the freezing of the albumen of eggs :by J. Paget. Chem. Gaz. 1850 277. -On the alkaline reaction of the albumen of eggs by Barreswil. J. pr. Chem. I 134. -On sugar in the albumen of eggs by Barrttswil. Idem. A1buminose.-On the presence of albuminose in the blood by Me Mialhff-Compt. rend. xxx 745. A1coholates.-Contributions to the history of the alcoholates and of nitrate of magnesia by A. Chadyeu. J. pr. Chem. xlix 107. Alkalis.-On the separation of the alkalis from magnesia and on the analysis of alkaliferous minerals by Elrelrnen.Ann. Ch. Phys. [3] 324. Alkaloids.-On the constitution of certain alkaloids by H. Wertheim. Ann. Ch. Pharm. lxxiii 208 -On the nitrogenated principles of vegetables as the sources of artificial alkaloids by J. Stenhouse. Phil. Trans. 1850 i 47; Absh.. Chem. SOC. Qu. J. iii. Allantoic Liquid -Note on the amniotic and allantoic liquids by J. Stas. Compt. rend. xxxi 629. Aloes.-On the watery extract of aloes by F. L. FFinckler. Pharm. J. x 310. A11oy.-On a natural alloy of silver and copper from Chili :by Ft*.Field. Chein. Soc. Qu J. iii 29 -On alloys considered with regard to their chemical composition by fW.Levol. J. Pharm [3] xvii 11 1. Almonds.-On some new combinations of the essence of bitter almonds by A.Laurent and Ch. GPrRardt. Compt. rend. xxx,401 ; also Compt. rend. trav. chim. vi 113. Alumina.-Preparation of a crystalline nitrate of alumina of unusual con-stitution by the Prince of Salm-Horstrnar. J. pr.Chem. xlix 208. -On the impure pyrolignite of alumina as a mordant for red colours by 2'. C. Culvert. Pharm. J. x 305. Amalgams.-On some amalgams by J. P. Joirle. Chem. Gaz. 1850 339. Amalgam.-On the amalgam of cadmium ant1 tin by Prof. Yarrentrapp. Ann. Ch. Pharm. lxxiii 256. TITLES OF CHEMICAL PAPERS Amalgam.-On the amalgam of copper by M. Pettenkofer. Rev.Sci. xxxix,58. Ammonia.-On the bichromate of ammonia and some of its double salts by 11. Richmond and J. Abel. Chem. SOC.Qu. J. iii 199. -Description of an ammonia-meter by J.Grifin. Idem. 206. -On the assimilation of the nitrogen of the air by plants and on the influence of ammonia on vegetation by M rille. Compt. rend. xxxi. 578. -On certain new compounds of ammonia with the ferrocyanides and par- titularly with the ferrocyanide of nickel by A. Reynaso. Compt. rend. xxx 409 ; Ann Ch. Phys. [3] xxx 252. -On the compounds of ammonia by A. Laurerzi. Compt. rend. trav. chim. vi 201. -On the quantity of ammonia in the atmosphere by Prof. Horsford. Ann. Ch. Pharm. lxxiv 243. -On the quantity of ammonia contained in the liquid condensed from coal- gas by &I. Malenfant. J. Pharm. xviii 131. -Researches on the quantity of ammonia contained in the urine by &I.Boussingault. Ann. Ch. Phys [3] xxix 472. -On the formation of ammonia by contact of porous bodies with air and sulphuretted hydrogen gas by Muldw. J. pr. Chem. 1 431. -On the trapezohedral crystals of sal-ammoniac by C. F. Naumann. J. pr. Chem. 1 11. -On the ammoniacal compounds of platinum by Ch. Gerhardt. Compt. rend. trav chim. vi 273. Amniotic Liquid.-Analysis of the amniotic liquid of the human female by J. Regnauld. Compt. rend. xxxi 218. -Note on the amniotic and allantoic liquids by J. Stcls. Idem. 629. Amy1.-Researches on the organic radicals-Part ii amyl by E. Frankland. Chem. SOC. Qu. J. iii 33 Analysis Mineral,-On the use of hydrogen in mineral analysis by L. E. Rivot. Ann. Ch. Phys. [3] XXY 188. Andersonite.-On the colours exhibited on the surface and in the mass of Andersonite a compound of iodine and codeine by W.Haidiitger.Pog. Ann. lxxx 553. Angraecum.-On the odoriferous principle of Angrmum frugrans by M. Gobley. Chem. Gaz. 1850 307. Aniline.-On the decomposition of aniline by nitrous acid by T. S. Hunt. Idem. 21. Animal Economy.-On the action exerted on the living animal economy by substances which preserve dead animal matters by E. Robin. Rev. sci. xxuviii 18. -Kingdom.-Notice of observations on the adjustment of the relations between the animal and vegetable kingdoms by which the vital func- tions of both are permanently maintained by R Warington Chem. SOC.Qu. J. iii 52. -Substances.-Contributions to the doctrine of the identity of the sul- phurous and nitrogenous animal and vegetable substances by F.Keller. Ann. Ch. Pharm. 72 24 ; Chem. Gaz. 1850 121. ** .. On the certain new processes and agents for the preser- ~ationof animal and vegetable substances. by E. Robin. Compt. rend. xni 720. IN BRITISIf AND FOREIUN JOURNALS. Anisole.-Researches on anisole and phenetole by A. Cahours. Ann. Ch. Pharm. Ixxiv 298. Antimony.-On the quantitative determination of antimony by H. Rose. J. pr. Chem. xix 222. -On stibethyl a new organic radical containing antimony by C‘. Lowig and E. Schweizer. Ann. Ch. Pharm. lxxv 315. -Separation of antimony from arsenic by M. Ullgren. J. Pharm. xvii 55. -Behaviour of antimony with chloride of sulphur by F. Wohbr.Ann. Ch. Pharm lxxiii 374. -On the chlorosulphide of antimony by S. Cloez. Ann. Ch. Phys. [3] xxx 374. Aphanite.-On the Aphanite of St. Bresson (Vosges) by A. Delesse. Ann. Min xvi 367. Apiine.-On apiine by A. Planta and W. Wallace. Ann. Ch. Pharm. lxxiv 262. Aridium-On aridium probably a new metal by M. Ullgren. Chem. Gaz. 1850 289. Aris to1ochia.-Constituents of Arisfolochia clemcstitis by F. L. Winckler. Idem 135. Arsenic.-Observations on arsenious acid realgar and orpiment by Huus-mann. Pogg. Ann. lxrix 308. -On some of the salts of arsenious acid by J. Stein. Ann. Ch. Pharm Ixxiv 218. -On the state in which arsenic and manganese occur in the deposit of the boiiing spring at Wiesbaden by R.Fresenius. Idem kxv 172.-Quantity of arsenic in the calcareous deposit of the Carlsbad waters by 3’. Wolder. Idem. lxxiii 217. -Separation of antimony from arsenic :by M. UZZgren. J. Pharm. [3] xvii 55. -On certain compounds of arsenic by P. Kotschowbey. J. pr. Chem. xlix 182. -Action of arsenic on chloride of sulphur by F. Wohler. Ann. Ch. Pharm. lxxiii 374. -Use of sulphide of arsenic as a depilatory by 2’. Boudet. Pharm. J. x 193. Arteries.-Chemical composition of the coats of arteries by H.S,Sckultze. Chem. Gaz. 1850 135. Ar tichoke.-On the constituents and use of the Jerusalem artichoke (Xelian-thus tuberosw) by MM. Payen Poinsot,and Ferez. J. Pharm. xvi 434. Asafetida.-Researches on the oil of asafetida by H. HZasiwetz. Ann. Ch. Pharm lxxi 23 ;J.Pharm. [a] xvii 234. Ashes.-On the composition of the ashes of the cactus by fi,Field. Chem. SOC.Qu. J. iii 57. -Analysis of the ash of the white and yellow of the eggs of poultry by 2%. Poleck. Pogg. Ann. lxxix 155. I_ Ash-analyses by J. Porter. Sill. J. ix 29. -Analysis of the ash of millet-seed by R. Wildenstein. J. pr. Chem. xlix 152. -Analysis of the ashes of blood by G. Roser. Ann. Ch. Pharm lxxiii 334. TITLES OF CHEMICAL PAPERS Ashes.-Fundamental experiments on the determination of the inorganic con-stituents of organic bodies by A. Strecker. Idem. Ixuiii 339. -Analysis of the ashes of the Spanish potato (Convolvulus batatas) and of the eddoes (Arum esculentzm Linn. Colocusia esculenta Schott) by T.J. Herapath.Chem. SOC. Qu. J.iii 193. Atomic Volume.-On the isomorphism and atomic volume of certain mine- rals by J.D. Dam. Sill. J. [2] ix 220. -On the atomic volumes of bodies by M. Arogadro. Ann. Ch. Phys. L3] xxk 218. Atomic Weights.-Connection between the atomic weights and physical and chemical properties of barium strontium calcium and magnesium and some of their compounds by E. N. Horsford. Sill. J. [2] ix 176. -Table of atomic weights.-Idem. '227. Atropine.-Preparation of atropine by means of chloroform by JX. Rabourdin. Ann. Ch. Phys [3] xxx 311. B. Balsam.-On Peru and Tolu balsams by M. Guibourt. J. Pharm. xvii 81. Bark.-Analysis of the barks of Bkamnus frangula and R. ruthurticu by M. Binswanger. Buch. Repert. 1849 No. 11 ; Pharm. J.is. 535. -On Calisaya bark by H. A. Weddell. Pharm. J. ix 428. Beer.-Examination of beer by M. FucJm Rev. Sci. xsxiy 7. -Examination of certain kinds of Wiesbaden beer with reference to their proportion of alcohol and extractive matter &c. by G. EngeZma?in. J. pr. Chem. I 133. Beetroot.-Experiments on the manufacture of sugar from beetroot by Fr. KGJiZmam. Compt. rend. xxx 341. Beet,-Analysis of the syrup of beet sugar used for feeding cattle by Puyen Poinsot and Brunet. J. pr. Chem. 1,204. Benzine.-On the sulphuric and nitric compounds of benzine and naphthaline by A. Laurcnt. Compt. rend. xuxi 537. Bile.-On the presence of bile in the blood by C.Ender1in. Ann. Ch. Pharm. lxxv 167. -On human bile by C. Endediw. Idem. 162. 7 On a peculiar transformation of os-bile by C.EnderSn.Idem. 154. Bi1ine.-On biline by C. Enderlin. Idem. 166. Bismuth.-On the salts of bismuth by Mr. Edwards. Pharm. J. iu 461. Black Earth.-On the black earth (Schumrzerde) of Southern Russia by E. Schmidt. J. pr. Chem. xlix 133. Bleaching.-Improvement in the bleaching of linen by Mr. Mwcer. Rev. Sci. xxxix 107. Blood.-Researches on the composition of the blood.-Compt. rend. xxxi 289. -Analysis of the ashes of blood by G. Roser. Ann. Ch. Phartn. lyyvi 334. -On the presence of albuminose in the blood by M. iTIiaZh6. Compt. rend. xxx 745. -On the presence of carbonates in the blood :by Prof.Il!FuZder. Chem. Gaz 1850 348. --On the quantity of potash in the blood by C. Etderlin. Ann. Ch. Pharm IXYV 150.IN BRITISH AND FOREIGN JOURNALS. Blood.-On the methods of analyzing blood by Gorup-Besunez. J. pr Chem. 1 346. -Analysis of chyle and of blood by E. Millon. Idem. 30. -On the presence of urea and hippuric acid in ox-blood by F. Yerdeit and C. DotZf~s. -4nn. Ch. Pharm. lxxiv 214. -Note on the presence of caseine in the blood of the human female during the period of lactation by N. GuiZlot and 2’. Leblunc. Compt. rend. xxxi 520. Boilers.-On the incrustation which forms in the boilers of stearn-engines :by J. Duvy. Chem. Gaz. 1850 343. .__ Fresh water in marine boilers by Z-. Frank. Inst. J. xix 13. -On the use of the alkaline carbonates for preventing incrustations in boilers by A. Anderson. Chem. SO~. Qu. J. iii 13.Boiling point s.-On the relations between chemical composition boiling point and specific volume by H. Kopp. Chem. SOC. Qu. J. iii 10.1. Borax.-Contributions to the chemistry of borax by E. Schweitzer. Chern. Gaz. 1850 281. -New method of analyzing borax.-Idem 284. -Reaction of borax on turmeric ; by Dr. Voyd ju12. Pharm. J. ix 441. Qu. J. iii. Boron.-On the nitride of boron by F. Wohler. Chem. SO~. Bread.-On Adulterations of flour and bread by Donny and Mareskn. J pr. Chem. xlis 260. -On bread by 2’. KeZZer. Bucfin. Repert. 1850 336. Bromine.-On the existence of alkaline bromides and iodides in plants of the order OsciZlnriace~,living in the thermal waters of Das (De‘parteilient de Landes) by V.Meyruc. Compt rend. xxx 475. -On the presence of bromine in the ammoniacal liquid obtained in the preparation of coal-gas by M.Mhe. Idem. 612. -Decomposition of bromide of potassium in the dry way by F. Schonbein. Chem. Gaz. 1S50 168. -On the action of chlorine and bromine on propylene ethylene and their homologues by A. Culiours. Compt. rend. xxxi 291. Bron z e.-Analysis of certain gold-coloured bronze antiquities found at Dowrir near Parsonstown by -Ur. Donovan. Chem. Gaz. 1850 176. -Analysis of two antique bronzes of the Gallo+Roman period by 31,SuZ-vetat. Ann. Ch. Phys. [3] xxx 361. Bronzing.-On the bronzing of plaster figures by L. EZsner. Idem. 388. C. Cactus.-On the composition of the ashes of the cactus by l? Field. Chem. SOC. Qu. J. iii 57. Cadmium.-On the amalgam of cadmium and tin by Prof.Yurrenirapp. Ann. Ch. Pharm. Ixsiij 256. Caffeine.-On certain decomposition.products of caffeine by P.Rochleder. Idern. 56. -Action of potash on caEcine by A. Wurtz. Compt. rend. xxx 9. Calcium.-On the equivalent of calcium by 0. Erdmunn and R. &!archand. J. pr. Chem. I 237. Calico-printing.-On Broquelte’s process for calico-printing by UurremiZ. Idem. 314. TITLES OF CHEMICAL PAPERS Ca1isaya.-Calisaya bark by H. A. Weddell. Pharm. J. is 428. Camelina Sativa.-On common gold of Plensure by J. Rym. Idem. x 144. Cantharidine.-On cantharidine and its preparations by D. Ottinger. Idem. 431. Caout chouc.-Vulcanized caoutchouc and gutta percha.-J. Pharm. [3] xvii. 205. Curara.-Researches on the Curara poison by MM Pelouze and C.Bernard. Compt. rend. xxxi 532 Car bon.-On some deoxidizing effects of carbon by F. Schb’nbein. Pogg. Ann. lxxviii. 521 ; Chem. Gaz. 1850 101. Carbonic Oxide.-Action of carbonic oxide gas on the corn-worm by G. Barruel. J. pr. Chem. xlix 448. -On some new facts relating to the properties of carbonic oxide gas by F. Lebtunc. Compt rend. xxx 483. Caseine.-Action of potash upon caseine by A. Wurtz. J. pr. Chem. xlix 406. -On the presence of caseine and the variations of its properties in the blood of man and other animals by N. Gaittot and 5’. Leblanc. Compt. rend. xxxi 578. -R-ote on the presence of caseine in the blood of the human female during the period of lactation by $7. Guillot and P. Leblanc.Idem. xxxi 250. Cathartine.-On cathartine by f? S. WinckZer. Chem. Gaz. 1850 232 Cellular Tissue,-On the composition of the walls of the cells of plants by Mitscherlich. Ann. Ch. Pharm. lxxv 305. Cellulose.-On a product of the action of nitric acid upon cellulose. J. Pharm. [3] xvii 158 ; also Sill. J. [2] ix 20. Cereals,-On the adulteration of cereals and on the relative quantity of inorganic constituents in them by Louyet. J pr. Chem. xlix 252. -On the quantity of water contained in the cereal crops of the harvest of 1850 by E. MiZlon. Compt. rend. xxxi 745. Cerebral Matter.-Examination of cerebral matter comparatively with the different organs and products of the animal economy by M. Orflu. J. Pharm. [3] xviii 186. Chlorides.-On certain compounds of metallic chlorides with chloride of cyanogen and hydrocyanic acid by L.Elein Ann. Ch. Pharm. Ixxiv. 85. -Decomposition of chlorides in the dry way by P,Schb’nbein. Chem. Gaz. 1850 168. Chlorine.-On the action of chlorine on metallic chlorides in presence of alkaline chlorides by MM. Sobrero and Selmi. Ann. Ch. Phys. [3] xxix 161, -On a new compound of chlorine sulphur and oxygen by E. MiZZon. Idem. 23’7. -On the action of chlorine and bromine on propylene ethylene and sub- stances homologous with them by A. Cahours. Compt. rend. =xi 291. Chloroform.-Preparation of Chloroform.-Rev. Sci. sxxix 61. -Purification of chloroform by J Abraham Pharm J s 24. IN BRITISH AND FOREIGN JOURNALS. Chloroform.-Test for the presence of chloroform by Dr.Snow. Chern. Gas. 1850 231. -On the use of oxygen as a remedy for accidents in the inhalation of chloroform and for asphyxia by M. Durey. Compt. rend. xxx 524. -Note on Dr. Gregory's process for preparing pure chloroform by Prof. Christison. Chem. Gaz. 1850 371 ;Pharm. J. x 253. Cholera.-On the saline constituents of the evacuations of cholera patients by L. Giiterbock. Pogg. Ann. lxxix 323. -On the respiration and temperature of cholera patients.-J. pr. Chem. 1 35. -Perspiration in cholera.-Idem. 34. Cho1esterine.-On the quantity of water in cholesterine and on the dis- tillation-products of that substance by W. Heintz. Pogg. Ann. Ixxix 524. Cho1estrophane.-Notice concerning cholestrophane by Fr.Rochleder. Ann. Ch. Pharm. lxxiii 123. Chromium.-On the equivalent of chromium and on certain hydrates of chromic oxide :by J. Lefort. Idem. lxxv 106. Cinchonine.-New process for determining the sulphate of cinchonine which exists in the sulphate of quinine of commerce by 0. Henry. Chem. Gaz. 1850 16. Cinnabar.-On a new and very rapid decomposition of cinnabar :by R. BoZZey. Ann. Ch. Pharm. lxxv 239. Cobal t,-Preparation of pure nickel and cobalt on the large scale.-Rev. Sci. xxxix 202. -On the densities of nickel and cobalt by M. Rammehberg. Idem. xxxviii 1 1 1. Cochlearia.-On the constituents of the dry herb of Cocldearia oficinalk by F. L. Winckler. Chem. Gaz. 1850 293. Codeine.-On the constitution of codeine and its products of decomposition Anderson.2'.by Trans. Roy. SOC. Edin. xx 1 57 ; Compt. rend. trav. chim. vi 321. -On a compound of codeine and iodine by T. Anderson. Chem. Gaz. 1850 367. Cohesion.-Influence of magnetism on the cohesion of liquids by C. €?runner julp. Pogg. Ann. Ixxix 141. Co1ocynthine.-By W. Bastick. Pharm. J. x 239. Co1our.-On complementary colours by M. Illaumend. Compt. rend. XXX. 209. Colouring matter.-On the red colouring matters of madder by A. Strecker. Chem. SOC.Qu. J. iii 243. -On the precipitation of the colouring matter of sugar by a metallic oxide by H. Wurbwton. Idem. 55. -On the colouring matter of rhubarb both native and foreign and its application in the arts and in pharmacy :by M. Guyot. J. Pharm. [3 J xvii 5.-On Erythrose the colouring matter of rhubarb by M. Meurin. Idem. 179. I__ Examination of a new yellow colouring matter by W. Stein. 1850,R. TITLES OF CHEMICAL PAPERS Colouring Matter.--On the action of sal-aqmoniac in the oxidation of colouring matters by copper-salts by C. li’occhlin and E. Mathieu Plessy. Bull. Soc. Ind. de Mulhouse xxii 311. Report on the same by H. Schlumberger. Idem 324. -On the colouring matter of the hlorinda citrifolia by 7’.Anderson. -On a new method of fixing colours upon tissues :by C. Bropuette. Chem. Gaz. 1850 354. -On the colouring matter of sandal-wood by A. Weyermann and E. Hajdy. Ann. Ch Pharm. Ixxiv 226. -Improvements in the manufacture of orchil and cudbear-Chem Gaz.1850 209. -Red colour for paper-hangings.-Idem. 200. -Wongshy a new yellow dye by W.Stein Yharm. J. ix 541 Concretion.-Chemical examination of a concretion found in the paunch of a milch-cow (at Monte Video) by M. LenobEe. J. Pharm. [3] xvii 199. Copper.-On the presence of copper in sea-water by MM. Malaguti Uurocher and Sarzeaud. Ann Ch. Phye. [3] xxviii 129. -On the equivalent of copper and on some of its salts :by C. B Xuh.Ann. Ch. Pharm. lxxiii 80 -On a natural alloy of silver and copper from Chili by Fr. Field. Chem. See. Qu. J iii 19. -On copper containing phosphorus by J. Percy Chem Gaz. 3850 1. -On the corrosive action of sea-water on some varieties of copper. by W. James. Idem. 4 -Method of separating silver from cupreous solutions :by M.Bolley. Idem. 116. -Salts of peroxide [protoxide ?] of copper by 3.Schonbeiiz. Idem. 268. -On the decomposition of sulphate of copper and organic substances by H. S. Evans. Pharm. J. Y. 7. Cotton.-On a peculiar kind of cotton fibre which cannot be dyed by W. Cram. J. pr. Chetn. 1 122. Creatine,-a constituent of the flesh of the cetacea :by 8.Price Chem. SOC. Qu. J. iii. 229. Creosote.-On creosote and carbolic acid by Dr. Gorup-Besanez. Pharm. J. iu. 392. Crystalline Form.-New researches on the relations which may exist between crystalline form chemical composition and the phenomenon of cir-cular polarization by L. Pasteur. Compt. rend. xxxi 450. -Report on the above by M. Biot. Idem. 601.-On a reniarkable analogy of form between certain sulphur-salts and oxygen- salts by G. Rose. J. pr. Chem. xlis 155. -On a cause of variation in the angles of crystals by J. Nick$&. Compt. rend. xxx 530 ;Compt. rend. trav. chim. vi 193. -Correction of Rudberg’s determination of the axial angles of biaxial crys- tals by 3.Wilde. Pogg. Ann. lxxx 225. -On the crystalline form of Beudantite by H. J. Brooke. Phil. Mag. sxxvii 349. -On the pseudomorphoses of Mica in the form of Felspar 2nd on the normal growth of Felspar with Albite by G. Rose. l’ogg. Ann. lxxx 1’21. IN BRITISH AND FOREIQN JOURNALS. 431 Crystalline Form.-On the crystalline forms of certain rhombohedra1 metals by G. Bose. J. pr. Chem. xlix 155. -On the rhombohedra1 crystals of sal-ammoniac -by Naumann.J. pr. Chem. 1 309. -On the crystalline form of certain organic substances :by H. Dauber. Ann. Ch. Pharin. lxxiv 200. Cyanides.-On the composition of certain double cyanides by C. Gerhardt. Compt. rend. trav. chim. vi 145. -On the composition of the precipitate formed by subacetate of lead in soluble cyanides by E. Erlenmeyer. J. pr. Chem. xlviii 356; J. Pharm. [3] xvii 238. Cyanogen.-On the compounds of cyanogen with sulphuretted hydrogen :by A. Lauretit. Compt. rend. xxs 618 ; Compt. rend. trav. chim. vi 373. -Estimation of cyanogen by C. Heisch. Compt. rend. trav. chim. vi 225. -On the iodide of cyanogen by C. Herzog. Chem. Gal;. 1850 230. D. Daturine,-found in the urine of persons poisoned with stranionium by R.Aldun. Ann. Ch. Pharm. lxxiv 223. Density.-Observations on the volume and density of liquid and gaseous bodies by J. A. Groshuns. Pogg. Ann. lxxx 296 -On an improved specific gravity bottle by J. Abraham. Pharm. J. x 125. Diabetes.-On the amount of nitrogen in the faxes of diabetic patients by D. CumnpzleJf. Chem. Gaz 1850 155. -On the composition of the faeces of man in health and on diabetes mellitus by J. Percy. Idem. 122. Diamonds.-Artificial production of diamonds by AW. Despretz. Pharm. J. x. 41. Diamond.-On a peculiar change produced in the diamond. when under the influence of the voltaic arc by J. P. Gussiot. Chem. Gaz. 1850 338. -Oxidation of graphite and diamond in the humid way by €2.E. Rogers and W.R. Rogers. 6. pr Chem. 1.4 i 1. Diffusion.-On the application of liquid diffusion to produce decompositions by T.Gmllam. Chern. SOC. Qu. J. iii 60. -On the diffusion of liquids.-Phil. Trans. 1850 i 1 ; also Ann. Ch. Phys. [3] xxix 197 ; ahstr. Chem. SOC. Qu. J. iii 25. Diniorphis m.-On isomorphism dimorphism polymerism and heteromerism by Dr. u. KoltelE. J. pr. Chem. xlix 469. Diphene.-On the nitrogenous compounds of the diphene series by Lawent and Gerhurdt. Ann. Ch. Pharm. lxxv 67. Disinfection.-On a disinfecting compound by 111. Herpin. Chem. Gaz. 1S.50 50. Dropsy.-Examination of the liquid from a case of ovarian dropsy by T. J. Herapalh. Idem. 88. Dulcine.-Memoir on dulcine by V. Jacqueluin. Compt. rend.xxxi 625. TITLES OF CHEMICAL PAPERS Du1cose.-On dulcose a homologue of grape sugar by A. Laurent. Compt. rend. xxx 41. -Note on dulcose and on bromobenzoic and chrysammic acid by A. Lau- rent. Idem. 339. -Note upon dulcose by A. Laurent. Idem. 694. E. Earth.-On the solubility of different earths in eau sucrek by W. Rumsay. Rev. Sci. xxuviii 115. Eddoes.-Analysis of the ashes of the eddoes (Arum esculentum,Linn. Colocasin esculenta Schott) by T. J. Heraputk. Chem. SOC.Qu. J. iii. 193. Eggs.-Analysis of the ash of the white and yolk of the eggs of poultry by 2%. Poleck. Pogg Ann. Ixxix 155. -Observations on the freezing of the albumen of eggs by T. Bell. Phil. Trans. 1850 i 221 ; also by J. Puget. Chem. Gaz.1850 271. -On sugar in the albumen of eggs by Barreswil J.pr. Chem. 1 134. -On the alkaline reaction of the albumen of eggs by Barreswil. Idem. 134. -Emulsive substance in the yolk of eggs by Barreswil. Idem. 137. -Acid in eggs by Barreswil. Idem. 134. -Chemical examination of the eggs of the carp by M. Gobley. J. Pharm. xvii 401 ; xviii 107. Elastic Fluids.-Influence of the known laws of motion on the expansion of elastic fluids by €3. W.Blake. Sill. J. [2] ix. 334. Electrici ty.-Comparative researches in voltaic and statical electricity by M. MJne. Compt. rend. xxxi 427. -On the transmission of electricity through insulating bodies solid and gaseous by Ch. Mntteucci. Ann. Ch. Phys. [S] xxviii 385. -On the superficial conductibility of crystallized bodies for electricity of tension by H.de Senarmod Idem. 257. -On the relation between the electrical conducting power of sulphuric acid and its temperature and degree of concentration by E. Becker. Ann. Ch. Pharm. Ixxv 94. -On the relation between the electrical resistance of certain liquids and their temperature by 0.B. Xiihn. Idem. lxxiii 1. -Development of electricity in the cooling of heated metals in liquids by 2'. C. Henrici. Pogg. Ann. Ixxix 170,473. -Current in an insulatedand unclosedvoltaic circuit by Guillemin. Idem. 333. -Experiments on the electricity of a plate of zinc biiried in the earth by E. Lewis. Sill. J. [Z] ix 1. -On the application of carbon deposited in gas retorts as the negative plate in the nitric acid battery by C.L Dresser. Phil. Mag. xxuvii 219. -On gas-batteries by G. Own%. Pogg. Ann. lxxix 576. I_- Note on the chemical phenomena and the light of the voltaic battery with two liquids :by C. Lfespretz. Compt. rend. xu 418. -On the source of the electromotive power in Daniell's battery by R. IcbliZ-ruusch Pogg. Ann. lxxix 177. -_. On the variations in the strength of the current produced by heating or agitating the electrodes by V.Beetz. Idem. 98. -Communications relating to galvanism by F. C. Henrici. Idem. 568. IN BRITISH AND FOREIGN JOURNALS. 433 Electricity.-Mode of protecting electrical machines from dampness.-€'harm. J. x 42. -On the useful effects of the galvanic batteries most generally employed by M.Ward. Rev. Sci. xxxix 34. -Batteries used in gilding and silvering. Idem. 46. -New experiments on the voltaic arc by Ch. Nutteucci. Compt. rend. xxx 201. v Experiments on carbon and on the length of the voltaic arc by C. DesprPtz. Idem. 367. -On the electromotive force of gases by W. Beetz. Phil. Mag. xxxvi 81. -On the electric properties of crystallized bodies by G. Wiedemuan. Ann. Ch Phys. L3] xxix 229. -On the electricities of steam by Reuben Phillips. Phil. Mag. xxxvi 503. I-On the electricity of condensation by R. PhiZZips. Idem. 303. -On the escape of friction-electricity from bent wires-the electrical brush by J. Lowe. Pogg lxxix 576. --On the laws of electro-magnetism by J. Miiller. Ann. Ch. Pharm. lxxv 247.-On the magnetization of iron by the electric current by Buf and Zurn-miner. Idem. 83. -Electro-physiological researches by C. Nutfeucci. Phil. Trans. 1850 i 257. -Researches on the causes of the development of electricity in vegetation by M. Becquerel. Compt. rend. xxxi 633. -On the electricity of flame and the electric currents thereby produced :by T.Henkel. P~gg.Ann. lxxxi 213. -On the constant appearance of light at the negative pole of the voltaic pile by the AbbkMoigno. Idem. 318. Emery.-On emery and the minerals associated with it by J. L. Smith. Phil. Mag. xxxvi 396. Endosmose.-On certain phenomena of capillarity which may serve to explain the effect of endosmose by P. Coulier Compt. rend. xxx 711. Equisetum.-On the acid of the Equisetum ftziviatile and on certain aconitates by M.Baup. Idem. xxxi 387 ; Ann. Ch. Phys. [3] 312. Ergot.-On Secale cornutunt and its fixed Oils by Dr. Bertrand. Pharm. J. x 133. -On ergotine and extract of ergot by Dr. IqeahohZ. Idem. 132. Erythrose.-On erythrose the colouring matter of rhubarb by M. Meurin. J. Pharm. [3] xvii 179. Ether.-On the preparation of various kinds of ether by means of potash and different natural balsams by E A. Schurling. Ann. Ch. Pharm. lxxiv 230. -On the compounds produced from cyanic acid and ether by Dr. Limpricht. Idem. 208. Ethers.-On the carbanilic ethers of alcohol and methylene by G. ChanceL Compt. rend. XXX '751. Ether Amy1ic.-Extract from a letter from X. Malagut%' to M. Dumas. J.pr. Chem. xlix 291. Etherification.-Theory of etherification by A. T.Villiamson. Phil. Mag. xxxvii 350; Compt. rend. trav. chim. vi 354.-Remarks on the preceding by C. Gerhardt. Idem. vi 361. VOL 111.-NO. XII FF TITLES OF CHEMICAL PAPERS Etherification.-On the theory of etherification and a new class of ethers by G. Chancel. Compt. rend. trav. chim. vi 369; Compt. rend. xxxi 521. -Observations on etherification by T. Gruham. Chem. SOC. Qu. J. iii 24; also Ann. Ch. Pharm. lxxv 196.-Remarks on the preceding Ann. Ch. Pharm. lxxv 115. -Note on Mr. Graham's Memoir on etherification by N. Buignet. J. Pharm. xviii 130. Ethyl.-On the antimonide of ethyl by C. Liiwig and E. Schweizer. J. pr. Chem. xli 385. Ethy1amine.-On the direct preparation of ethylamine and alanine by A.Strecker. Idem. 1 56. -On a new mode of formation of ethylamine by A. Strecker. Ann. Ch. Pharm. lxxv 46. Ethylene.-On the action of cblorine and bromine on prophylene ethylene and their homologues by A. Cahours. Compt. rend. xxxi 291. Eudiometry.-By R. F. Narchand. J. pr. Chem. xlix 449. Evaporation.-Apparatus for evaporating and drying and for preparing dis- tilled water in analytical laboratories by R. Presenius. Idem. 1 130. Explosion.-On the explosions of burning fluids by 3.Horsford. Chem. Gaz. 1850 48. F. Faeces.-On the composition of the fwes of man in health and in diabetes mellitus by J. Percy. Chem. Gaz. 1850 102 and 122. -Amount of nitrogen in the faxes of diabetic patients by D.Campbell. Idem. 155. Faham.-On the odoriferous principle of Faham leaves by M. Gobley J. Pharm. (3) xvii 348. Fat.-Estimation of tRe fatty matter in a muscle which has been converted into fat by M. Liebig,jula. Rev. Sc. xxxviii 107. -On the composition of shea-butter and vegetable fat by MH. Thomson and Wood. Idem. 234. Fecul a,-Examination of sugar and fecu1a.-Idem. xxxix 1. Ferrocyanides.-On certain new compounds of ammonia with the ferrocya- nides and particularly with the ferrocyanide of nickel I by A. Reynoso. Ann. Ch. Phys. [S] xxx 252. Ferrocyanide.-Process for obtaining ferrocyanide of potassium and urea by Dr. Brand. Rev. Sci. xxxviii 418. Fibrin.-On the fibrin of muscular flesh by J. Liebig. Ann. Ch. Pharm. lxxiii 125.-On the diminution of the amount of fibrin by agitation of the blood by N. Calvi. Compt. rend. xxx 30. Flour.-On the principal adulterations of flour and bread by N Donny. J. pr. Chem. xlix 240. -Modes of discovering adulterations of flour by Martens. Idem. 1 363. Fluorine.-On the quantitative determination of fluorine by H. Rose. Pogg. Ann. lxxix 112 ;J. pr. Chem. xlix 309. -Onthe presence of fluorine in blood and milk by G. Wilson. Chem. Gaz. 1850 366. IN BRITISH AND FOREIQN JOURNALS Frigorific Mixtures.-On a peculiar reaction which takes place in forming a frigorific mixture with Glauber’s salt and hydrochloric acid by R. BoZZey. Ann. Ch Pharm. lxxv 239. G. Garlic.-On the essential oils of garlic and mustard by A. Laurent.Compt. rend. xxx 126. Gas.-Description of an apparatus for regulating the heat produced by a gas- burner by A. Kip. Phil. Mag. xxxvi 483. -Remarks on the preceding by W.K. Westly. Chem. Gaz. 1850,239. -On the purification of coal-gas by Mr. Laming. Idem 218. -On the use of coal-gas in chemical experiments by 0. B. liriihn. Ann. Ch. Pharm. lxxiv 115. -Preparation of gas from resin and use of the residues :by Mr. Robertson. Rev. Sci. xxxix 16. -On the ‘(Hydrocarbon,” or resin and water gas by A. Fyfe. Pharm. J. x 131. Gases.-On a safe and simple method of demonstrating the liquefaction of gases and particularly of carbonic acid gas :by X.BertheZot. Compt. rend. xxx 666 ;Ann. Ch. Phys. [a] xxx 237. -On the electromotive force of gases by W.Beetz.Phil. Mag. xxxvi 8 I. -Detail of some experiments on the gases generated in a sewer by N. ScanZan and A.Anderson. Chem. SOC. Qu. J. iii 13. Gasometer.-On a new and simplified gasometer by W.Bel& Pogg. Ann lxxix 428. Ge1atine.-On the composition of gelatine :by T.S. Hunt. Compt. rend. trav. chim. vi 317. Gilding.-Report by M. Ebelmen on a new process for gilding on porcelain by M. Grenou. Bull. SOC.Ind. 1850 38. Githagine.-Ongithagine by E. A. ScharZing. Ann. Ch. Pharm. lxxiv. 351. Glycocol1.-On the artificial formation of lactic acid and on a new substance homologous with glycocoll by A. Strecker. Idem. lxxv 27. Gold.-Observations on sulphide of gold and determination of the atomic weight of gold by a new method by A.Leuol. Ann. Ch. Phys. [33 xxx 355. -Extraction of gold from the copper ores of Chessy and Sain-Bel by HM. Allaist and Bartenbach. Chem. Gaz. ’1850 17. -Analysis of Californian gold :by F. OswoZd. Idem. 23. -On the occurrence of gold in Sarawak by C. Grant. Idem 71. -On an auriferous limestone from La Grave (Hautes-Alpes) by M hey-mar& Ann. Min. xvi 379. -Analysis of different specimens of Californian gold by M. Riuot. Idem. 127. -Experiments on the extraction of gold and silver from their ores in the wet way by J. Percy. Phil Mag. xxxvi 1. -Analysis of certain compounds of gold and silver by A. Levol. J. pr. Chem. xlix 171. -__. Comparative examination of the auriferous sands of California New Gra- nada and the Ural by M.Bufrdnoy. Ann. Min. xvi 111. -On the refining of gold by Dr. Philipp. Chem. Gaz. 1850. 386. FF~ TITLES OF CHEMICAL PAPERS Grain.-On the composition of various kinds of grain by E. Yeligot. Ann. Ch. Phys. [3] xxix 5. Graphite.-Oxidation of graphite and diamond in the humid way by R. E. Rogers and W R. Rogers. J. pr. Chem. 1 4 11. -_I Analysis of artificialgraphite by 3’. Frightson. Chem. Gaz. 1850,27. GuaXcuru.-Chemicalexamination of aroot which grows in the Eastern Repub- lic of Uruguay (Monte Video) and called by the Indians gua’icuru :by M. Lenoble. J. Pharm. [3] xvii 200. Gun- cotton.-Its explosive properties and application to fire-arms-different cases of its spontaneous combustion-the temperature at which it inflames.-Rev.Sci. xxxviii 17’5. -Method of silvering glass by means of gun-cotton by M. WohL J. Pharm [3] xvii 141. -Spontaneous decomposition of gun-cotton by T.€I Pharm. Fustin. J. ix 405. -Temperature at which gun-cotton explodes.-Chem. Gaz. 1850,80. Gunpowder.-On a new gunpowder the base of which is the prussiate of potash by M. A%gendre. Compt. rend. XXY 179. Gutta percha.-Vulcanized caoutchouc and gutta percha. J. Pharm. [3] xvii 305. -New kind of gutta percha.-Rev. Sci. xxxix 13. H. Halogens.-On the compounds of the halogens with phosphorus by J. H. Gladstone. J. pr. Chem. xlix 40. Heat,-On the measurement of temperatures by thermo-electric currents :by I’ Regnault. Phil. Mag. xxxvi 409. -Report on the development of heat in chemical combination by T Andrews.J. pr. Chem. 1 469; Phil. Mag. xxxvi 51. -On the development of heat by the substitution of one metal for another by T.Andrew. Pogg. Ann. lxxxi 73. -On the influence of elements on the boiling point (third memoir) by H. Schroder. Idem Ixxix 34. -Observations on freezing and boiling points by J. A. G-roshans. Idem. lxxix 390. -On the mechanical action of heat especially in gases and vapours by M. Rankine. Trans. Roy. SOC.Edinb. xx 1 147. -On the mechanical equivalent of heat by J. P. Joarle. Phil. Trans. 1850 i 61 ; abst. Chem. Soc. Qu. J. iii 316. -On the mechanical theory of heat by H. Rankine. Pogg. Ann. lxxxi 172. -On the expansion of mercury by heat by H. Militzer. Idem lxxx 55. -On the latent heat of water by C.C. Person. Ann. Ch. Pbys. [3] xxx 73 ; Compt. rend. xxx 256. -Specific heat of water at different temperatures by T. Regnnutt Pogg Ann. lxxix 24 I. -On the specific heat of saline solutions and on the quantity of heat ren-dered latent on solution by C. Person. Compt. rend. xxxi 566. -_. On a new process of heating and illumination by means of pure hydrogen by 0.Henrgl,jun. J. Pharm. [3] xvii 105. IN BRITISH AND POREION JOURNALS. Heat.-On the thermic properties of the tourmaline by H. de Senarmont. Ann. Ch. Phys. [3] xxviii 279. He1enine.-Easy mode of preparing helenine by W. Delfs. Pogg. Ann. kxx 440. Hemlock.-On extract of hemlock by W.Archer. Pharm. J. x. 265. Heteromerism.-On isomorphism dimorphism polymerism and hetero- merism :by Dr v.Kobell. J. pr. Chem. xlix 469. Honey.-On the composition of honey and on certain properties of sugar by E. Soubeirun. Idem. 65. Horse.-On the inorganic constituents of the flesh the coagulum and the serum of the horse :by R. Wiber. Pogg. Ann. lxxxi 91. Humus.-Chemical analysis of humus and on the function of manure in the nutrition of plants by M. Soubeiran. J. Pharm. xviii 5. Hydraulic mortar.-On certain lime-stones of Basse-Bretagne and their conversion into fat limes and hydraulic mortars :by M. Hobliti. Compt. rend. xxx 354. Hydrogen.-On the combustion of hydrogen in oxygen chlorine bromine and iodine by M. Bussy. J. Pharm. [3] xvii 20 ; Pharm. J. ix 441. -On the use of hydrogen in mineral analysis by L. E. Rivut.Ann. Ch. Phys. [3] xxx 188. -Carburet ted.-On a spontaneous and continuous eruption of carburet-ted hydrogen gas by Mr. Howard. J. Pharm. [@Ixvii 136. -Process for obtaining carburetted hydrogen by J. 3’. Cuwaillon. Pharrn. J. ix 441. Hyraceum.-On hyraceum (the dried urine of the Hyrux capensis). -J. Pharm [3] xvii 138. I. Ice-plant.-On the watery secretion of the leaves and stems of the ice-plant (~~se~~~an~he~~urn crystallinurn) by A. Yolcker. Phil. Mag. xxxvi 377. Illumination.-On a new process of heating and illumination by means of pure hydrogen by 0. Henry jun. J. Pharm [3] xvii 105. -Description of various improvements by M.Pauwels in the system of illumination by hydrogen gas.-Bull Soc. Ind. 1849 568. Incombustibility.-On the momentary incombustibility of living organic tissues andon the physical constitution of bodies in the spheroidal state by N.Boutigny. Ann. Ch. Phys. [3] xxviii 158. Incrustation.-On the incrustation which forms in the boilers of steam-engines by J. Duwy. Chem. Gaz. 1850 343. -Remarks on the use of the alkaline carbonates for preventing incrus- tation in steam-boilers by A. Anderbon. Chem. SOC. Qu J. iii 13. Indigo.-On a new indigometric process by R Bolley. Ann. Ch. Pharm. Ixxv 242. Iodine.-Existence of iodine in fresh-water plants by A. Chatin. Compt. rend. xxx 352 467 xxxi 280; Ann. Ch. Pharm. lxxv. 61 ; J. Pharm. [S] xvii 418 xviii 241 ;also by J. Personne. Compt. rend XXX 478. -On the existence of alkaline iodides and bromides in the plants of the order Oscillariacece living in the thermal waters of Dax (Ddpartement de Landes) by ??Miyrac.Compt. rend. xxx 457. 438 TITLES OF CHEMICAL PAPEBS Iodine.-On a inode of obtaining iodine on thelarge scale from certain species of sea-weed by G. K~mp. Chem. GaZ."1850 250. -On the existence of iodine in land-plants by Prof. Feehling. Ann. Ch. Pharm. lxxv 67. 7 On the extraction of iodine from plants and from the products of the distillation of coal by H. Bussy. Compt. rend. xxx 537. I-On the existence of iodine in beet-root by N. Lamy. J. Pharm. xviii 33. -_. On the presence of iodine in aluminous schists.-Chem. Gaz. 1850 46. -New experimental researches on the use of pure nitric acid in conjunction with gelatinous starch to discover the presence of iodine in mineral waters s by M.Cusecca. Compt. rend. xxx 821. -Solubility of iodine in cod-liver oil by Fleischman. Pharm. J. ix 541. -On the presence of iodide of cyanogen in commercial iodine by T,&lo-bach. Arch. Pharm. lx 34 ; Chem. Gaz. 1850 159. -Decomposition of iodide of potassium in the dry way by F. SchGnbein. Chem. Gaz. 1850 166. -New modes of preparing iodide of starch by Dr. QuesneviEle. Rev. Sci. xxxsiii 42 1. -On the definite compounds of iodine and phosphorus :by B. Corenwinder. Compt. rend. xxxi 172. -Impurities and alterations of iodine by Dr. Herzoz. Pharm. J. x 31 1. -On tincture of iodine by M. Gopel. Idem 79. -On the presence of iodine in fresh waters and in land plants by M.Mar-ehund. Compt. rend. xxxi 495. Iron.-On the chemical equivalent of iron by E Muumenk. Idem. 589 ;Ann. Ch. Phys. [3] xxx. 380. -On the iron-ore of Florange (Moselle) by J. Lovallois Ann. Min. xvi. 241. -On smelting magnetic iron-ores by H. Fairburn. J. Frank. Inst. xix 125. -Analytical investigation of cast-iron by Mr. Frightson. Idem. 141. -Analysis of meteoric iron by C. Reichenbach. Pogg. Ann. lxxxix 498. _-Analyses of soft iron obtained by cementation of cast-iron also of cold- short and red-short iron by W.A. Hiller. J. pr. Chem. I 431. -Analysis of a specimen of hot red-short and cold-short bar-iron by Dr. Rubach. Ann. Ch. Pharm. lxxiv 360. -_. Analysis of several native carbonates of iron from the coal-pit on the Ruhr by Schnabel.Pogg. Ann. lxxx 441 _.-On a new method for the determination of iron in clay-band and black- band ironstone by F.Peaty. Chem. Gaz. 1850 330. -On the amount of nitrogen in pig-iron and steel by R. F. Marchand. J. pr. Chem. xlix 351. -On the amount of carbon and sulphur in certain kinds of iron by A. Bachner sen. Ann. Ch. Pharm. lxxiii 215. -On the residue left in the solution of cast-iron by J. Hull. Idem. Ixxiv 112. -On a new method of separating iron from its compounds by J. A. Pou-mnr2de. Compt. rend. xxix 518 ; Chem. Gaz 1850 136. IN BRITISH AND FOREIGN JOURNALS. 439 Iron.-Process for glazing cast-ironvessels byMr.Kenrick. Rev. Sci.xxxix 108. -Compounds of sesquioxide of iron by 3’. XchonbPin. Chem. Gaz. 1850 167.-On the nitrates of iron and some other nitrates by J. H.Ordway. Sill. J. 12) ix 30. -Protection of iron from oxidation by W. Rankin. Frank. Inst. J. xlix 209. -How to preserve protosulphate of iron from oxidation by M. Ruspini. Chem.Gaz 1850 293. -Mode of facilitating the amalgamation of iron by M. Bollger. Rev. Sci. xxxix 110. -On the zinking and tinning of wrought and cast iron by M. Sorel. Idem. 111. Isinglass.-On the adulteration of isinglass by I! Redwood. Pharm. J. ix 506; x 26. Isom orphism.-On isomorphism dimorphism polymerism and heterome- rism by Dr. v. Kobell. J. pr. Chem. xlix 469. -Note on heteronomic isomorphism by J.Dana. Sill. J. [2] ix 407. -On the cause of the isomorphism of dissimilar compounds by C. Ramrnels-berg.Pogg. Ann. lxxx 449 ; lxxxi 1. -General remarks on polymeric isomorphism by Th. Scheerer. J. pr. Chem. 1 449. -On the isomorphism and atomic volume of some minerals by J. D. Dana. Sill. J. [2] ix 220. K. Kermes.-On the use of kermes as an antidote for strychnine and nux vomica by H. Thorel. J. Pharm. [3] xvii 185. -Report on the memoir of M. Thorel by HM.Gobley and Bouchardut. Idem 190. L. Lead.-On the presence of lead in sea-water by MM. Nalaguti Durocher and Sarzeuud. Ann. Ch. Phys. r3) xxviii 129. __.-Extraction of metallic lead from the sulphate by M. Schnedermunn. Rev. sci. xxxix 193. -Preparation of sugar of lead with pyroligneous acid by F. Schnedermann. Pharm. J. x 36. .__-Action of water on leaden pipes and method of estimating small quan- tities of lead by Mr.Horford. Rev. Sc. xxxix 105. -On nitride of lead oxide by H. Blei. J. pr. Chem. 1 380. -Process for making lead-plaster by W. BnrtEett. Pharm. J ix 457. -On spongy lead by H. BoEley. Chem. Gaz. 1850 216. -On sulphite and sulphate of lead by E. La&. Pharm. J. x 248. -Poisonous effects of sulphate of lead by C. Flundin. Idem. 191. -On the poisonous qualities of sulphate of lead by Drs. Gregovy and Christison. Idem. 251 ; also by E. Greaves. Idem. x 265 -On the use of lead in the manufacture of sugar. Improved method of extracting tin lead &c. Idem. 177 243. from their ores. Idem. 74. 440 TITLES OF CHEMICAL PAPERS Leucine -On the composition of leucine by A. Strecker. Ann.Ch Pharm. lxxii 92 -Note on the composition of leucine by M. iWulder. J. Pharm. 133 Xvii 490. -Reply to the above by N. Gerhardt. Idem. xvii 134 ; also Compt. rend. trav chim. -Remarks on the constitution of leucine with critical observations on the late researches of M. Wurtz by T.S. Hunt. Sill. J. ix 63. Lime.-Preparation of hisulphite of lime by MM. M&neand Pinchon. Pharm. J. x 41. -On the separation of the lime contained in the defecated juice of the beet- root.-Rev. Sci. xxxviii 115. -On the separation of lime by A. Reynoso. Chem. Gaz. 1850 38 -_. On the properties of oxalate of lime by A. Reynoso. J. pr' Chem. xlix 51 I. Liquids.-On the diffusion of liquids by T Graham. Phil. Trans. 1850,i 1 ; also Ann. Ch Phys. [S] xxix 197 ;abstr.Chem. SOC. Qu. J. iii. -Researches on the physical properties of liquids and particularly on their dilatation by J. I. Pierre. Compt. rend. xxxi 378. Liquids.-On certain phenomena of the forced dilatation of liquids by M. BPrtheZot. Ann. Ch. Phys. [3] xxx 237. -Note on the effect of pressure in lowering the freezing-point of liquids by R. Clausius. Pogg. Ann. lxxxi 168. Lobeline a volatile organic base from Lobelia inpata by ?T.Baslick. Pharm. J. x 270. Madder.-On the red colouring matter of madder by J. Wolf and A. Strecker. Ann. Ch. Pharm. lxxv 1. Chem. Soc. Qu J. 243. Magnesia.-Contributions to the history of the alcoholates and of nitrate of magnesia by A. Chodnew. J. pr. Chem. xlix 107. -Fibrous hydrate of magnesia. -Phil.Mag. xxxvi 552. -On the separation of the alkalis from magnesia by iM. Ehelmen. Ann. Ch. Phys. [3] xxx 334. Magnesium.-On the equivalent of magnesium by Marchand and Xchewer. J. pr. Chem. 1 385. Magnetism.-Influence of magnetism on the cohesion of liquids by C. Branner jun. Pogg. Ann. lxxix 141. Manganese.-On the state in which arsenic and manganese occur in the incrustation of the boiling spring at Wiesbaden by R.Fresenius. Ann. Ch Pharm. lxxv 172. Mannite.-On the atomic weight of mannite by M. Knop. J.pr.Chem. xlviii 362 ; J. Pharm. [31 xvii 239. -On certain compounds of mannite by Knop. Ann. Ch. Pharm. lxxiv 347. -On the production of mannite by the Aconitum Napellus by I and H. Smith. Pharm. J. x 124. Manure.-On the influence which the nitrogen in manure exerts upon the amount of proteine in the crop by E.John J. pr. Chem. 1 57. IN BRITISEI AND FOREIGN JOURNALS. 441 Manure.-on the function of manure in the nutritiotl of plants by M. Sou-beirait. J. Pharm. xviii 5. -On the disinfection of manures and on the means of rendering useful the mother-liquors of salt springs :by Ch. Calloud. Idem. xvii 28. -Extract from a report on the disinfection of an establishment for the pre- paration of animal manure by R.Duparc. Idem. 39,. Mariotte's Law. -On the interpretation of Mariotte's law by E. I? Hunt. Sill. J. (2) ix 412. Meconium.-on the detection of spots produced by meconium (in chemico- legal investigations) by R. Presenius. Ann. Ch.Pharm. lxxv 116. Mellom-On certain decomposition products of mellonide of potassium by 7.t Hennebery.Idem. lxuiii 228. -On the Composition of mellon and the mellonides :by Ch. Cerhardt. Compt. rend. xxx 3 18. Membrane.-On the chemical composition of arterial membranes by M. SchuZtze. Rev. Sci. xxxix 201. Mercury.-On the expansion of mercury by heat by H. Militzrr. Pogg. Ann. lxxx 55. -On the oxychlorides of mercury by C. Roncher. J. pr. Chem. xlix 363. -On the mode of action of the grey salts of mercury and mercurial vapours by F. Yon Barensprung. Idem. 1 21. -On the distillation of mercury by means of high-pressure steam by M. Yiolette. Compt. rend. xxxi 546. Mesitilo1e.-On the composition of mesitilole by A. Cahaurs. Chem. SOC. Qu. J. iii 17.Metals.-Method by which all the metals contained in a suspected substance may be obtained by one operation (in chernico-legal investigations) by M. Gaultier de CEaubry. J. Pharm. [3] xvii 125. -On the crystalline forms of certain rhombohedra1 metals by #. Rose. J. pr. Chem. xlix 158. -On Aridium probably a new metal by M. Ullgren. Chem. Gaz. 1850 289. Mildew.-On the cause and preventives of mildew in paper and parchments by A. Gyde. Tdem. 259. Millet.-Analysis of the ash of millet-seed by R. Fildensfeii~. J. pr. Chem. xlix 152. Minerals.-Experiments on the artificial formation in the humid way of cer- tain mineral species which may have been produced in thermal springs under the combined influence of heat and pressure by H.de Senar-moat. Ann.Ch. Phys. [3] xxx 129. -Researches on the artificial production of certain crystalline mineral species particularly of stannic oxide titanic oxide and quartz by A. Duubre'e. Ann. Min. xvi 129 ; Compt. rend. xxx 383. -Analysis of several minerals by W. Fisher. Sill. J. [3] ix 83. -On the galvanic relations and conducting power of minerals as a mode of distinction by Prof. Kobell. J. pr. Chem. 1,76. -On the hardness of minerals and a new mode of determining it by R. Franz. Pogg. Ann. lxxx 37. -Examination of certain minerals (Deckenite Yellow Lead-ore and Arse- niate of Lead from Azulaques) by C. Bergemann. Idem. 393. TITLES OF CHEMICAL PAPERS Minerals.-Description and analysis of several American minerals by B.Sillimun. J. pr. Chem. xlix 195. -Investigation of North American minerals (Nemalite Orthite Black oxide of Copper) by C Rammehberg. Pogg. Ann. lxxx 284. -New minerals from Norway described by P. H. Weibye and analysed by N. J. Berlin K. A. Sjogren and J. B. von Borck. Idem. lxxix 299. -On the metalic minerals of the Upper Rhine by Jl,Furiet Bull. SOC. Ind. 1850 207. -On some minerals recently investigated by M. Hermann by J. D. Dana. Sill. J. [21 ix,408. Minerals Aegyrine by A. Breithuupt. Pogg. Ann. lxxx 314. Albite.-On a granular Albite associated with corundum by B. Silliman,jun. Phil. Nag. xxxv 484. Algerite,-a new mineral species :by R. Crossley. Idem. xxxvii 179. Allani te.-On the occurrence of Allanite at Schmiedefeld in the Thuringer Wald by H.Credener. Pogg. Ann. lxxix 144. Araoxene.-On Araoxene a new vanadiate of lead and zinc by Fr. V. Kohell. J. pr. Chem. 1 496. Arkansite.-On the identity of Arkansite and Brookite by R.Hermann. Idem. 200 Beudantite.-On the composition of Beudantite :by J. Percy. Phil. Mag. xxxvii 161. .. . . On the crystalline form of Beudantite by H. J. Brooke. Phil. Mag. xxxvii 349. Brogniardtite.-Notice on Brogniardtite a new mineral species by M. Damour. Ann. Min. xvi 227. Brookite.-On crystals of Brookite from the Ural Mountains by N.V. Kokscharow. Pogg. Ann. lxxix 454. .. On the identity of Arkansite and Brookite by R. Hermann. J. pr. Chem. 1 200. Calamine.-On the geological position of Calamine ores :by J.Delamine. Compt. rend. xxx 765. Carmine-spar,-a new mineral belonging to the order of arseniates by F-Sundberger. Pogg. Ann. lxxx 391. Castor.-On Castor and its relations to Petalite by 0. Roue. Idem. lxxix 162. Diaspore.-Note on the crystals of Diaspore from Gumuch-dagh near Ephesus :by M. DufrLnoy. Compt. rend. xxxi 185. Diorite.-On the Diorite of Pont-Jean (Vosges) by M. Delesse. Compt. rend. xxx 176 ; Ann. Min. xvi 367. Dolomite.-Contributions to the history of the formation of Dolomite by G. Forchhammer. J. pr. Chem. xlix 52. Analysisof Dolomite from the upper strata of the Muschel- kalk near Saarbriicken by R. Wi'ldenstein. Idem. 154. .. From the Altenberg :by K. Monheim. Idem. 318. Enargite,-a new mineral belonging to the order of Glances :by A.Breit-haqt and C. F. Plnttner Pogg. Ann. lxxx 383. Euphotide.-On the Euphotide of Odern by M. Delesse. Compt. rend. xxx 148 ;Ann. Min. xvi 367. IN BRITISH AND FOREIGN JOURNALS. Minerals Euphotide.-On the Euphotide of Mont Genbvre by M. Delesse. Ann. Min. xvi 233. Fe1spar.-On the Felspar of the Zircon-syenite of Southern Norway by C. G. Gmelin. Pogg. Ann. lxxxi 3I 8. Franco1ite.-On Francolite a supposed new mineral by T. H. Henry. Phil. Mag. sxxvi 134. Gold.-On the minerals of the auriferous districts of Wicklow :by W. Mallet. Idem. xxxvii 392. . . On an auriferous limestone from La Grave (Hautes-Alpes) :by M. heymurd. Ann. Min. xvi 379. .. Comparative examination of the auriferous sands of California New Granada and the Ural :by M.Dufr4noy. Idem. 1 1I. Halloysite from the Altenberg near Aachen by K. Monhein. J. pr. Chem. xlix 318. Hydrargy1ite.-On Hydrargylite from Brazil by 2%. w. KobeEE. Idem. 1 493. Hyposk1erite.-On the Hyposklerite of Arendal by C. RamnaeZsbm*g. Pogg. Ann. lxxix 305. 1docrase.-On Manganese-idocrase by Wrebsky. Idem. lxxix 166. Indianite -On a granular Albite associated with Corundum and on the Indianite of Bournon by B. SilEiman,jun. Phil. Mag. xxxv. 484. Iron.-On the Iron-ore of Florange (Moselle) by J. LevaZEois. Ann. Min. xvi 241. .. Analysis of several native carbonates of iron from the coal-pit on the Ruhr :by Sciinabel. Pogg. Ann. lxxx 441. Iron spathic.-Green spathic iron from the Altenberg by K.Nonheim. J. vr. Chem. xlix 318. Kapnite.-Zinc-iron-spar (Kapnite) from the Altenberg by K. Monhek. Idem. xlix 319. Lancasterite a new American mineral by B. Sillimun. Sill. J. fa] is 216. Leuchtenbergite by A. Breithaupt. Pogg. Ann. lxxx 577. Lett somite.-Chemical examination of Lettsomite (Velvet ore) by J. Percy. Phil. Mag. xxxvi 100. Lime -stone.-On certain limestones of Basse-Bretagne and their con- version into fat limes and hydraulic mortars :by M.. HobEin. Compt. rend. xxx 354. .. On an auriferous lime-stone from La Grave (Hautes-Alpes) by M. Gueyrnurd. Ann. Min. xvi 379. Mic a.-On the chemical composition of Cupreous Mica (Kupferglimmer) from the Andreasberg by C. Rammelsberg. Pogg;. Ann. lxxix 465. Misy.-Analysis of Misy from the Rammelsberg near Goslar :by Dr.List.Ann. Ch. Pharm lxxiv 339. Muschel kalk from the neighbourhood of Saarbriicken.-J. pr. Chem. xlk 382. Nema1ite.-Phil. Mag. xxxvi 552. Nephe1ine.-On the Nepheline rock of the Lobauberg by Dr. Hkide-prien. J. dr. Chem. 1 500. Nontronit e from the Andreasberg.-Idem. xlix 382. TITLES OF CHEMICAL PAPBRS Minerals Pegmatite.-On the Pegmatite of the Vosges by M. Delesse. Ann. Ch. Phys. [3] xxviii 124 ;Ann. Min. xvi 97. Pecto1ite.-Analyses of Pectolite and Stellite and proposed union of these two species by J. D. Vhitney. Phil. Mag xxxvi 553. Percy1ite.-On Percylite a mineral not hitherto described by H. J. Brooke; with chemical examination by J. Percy. Idem xxxvi 131. Picroli te.-Analysis of Picrolite from Reichelstein in Silesia by Dv.List. Ann. Ch. Pharm. lxxiv 241. Porph yry.-On the quartziferous Porphyry and Euphotide of Mont-GenBvre by A. IJeZesse. Ann. Min. xvi 233. .. On the Porphyry of Schirmeck by R. Delesse. Idem. 367. Pumice.-On a bed of pumice-stone near Marburg :by H. Hessel. Pogg. Ann. lxxix 3 19. Pyromorphite from the Buschbachberg.-J. pr. Chem. xlix 381. Schists.-Facts and observations relating to the history of bituminous schists by M. Delahuye. Rev. Sci. xxxviii 1 49 97 225 321 337. Serpentine.-On the mineralogical and chemical constitution of the Ser- pentine of the Vosges by M. DeZesse. Compt. rend. xxxi 210. Silver.-On a natural alloy of silver and copper from Chili by F Field. Chem. SOC.Qu. J. iii 29. Stel1ite.-Analyses of Pectolite and Stellite and proposed union of these two species :by J D. k8hitney. Phil. Mag. xxxvi 553. Talcspar.-On Talcspar :by A. Breithaupt. Pogg. Ann. lxxx 313. Tourmaline.-On the composition of Tourmaline compared with that of Mica and Felspar and on the cause of the isomorphism of dissimilar compounds -by C. RamrneZsberg. Pogg. Ann. lxxx 449 ; lxxxi 1. .. On the crystalline system of the Tourmaline by A. Sey-meric. Compt. rend. xxx 707. .. On the thermal properties of theTourmaline by H. de Se-narmont. Pogg. Ann. lxxx 175. Vario1ite.-On the Variolite of Durance by M. Delesse. Compt. rend. xxx 741. Velvet Ore.-Chemical examination of Lettsomite (Velvet ore); by John Percy. Phil. Mag. xxxvi 100.Vo sges.-On the mineralogical and chemical constitution of the rocks of the Vosges by M. Delesue. Ann. Min. xvi 97. .. On the Pegmatite of the Vosges.-Ann. Min. xvi 97; Ann Ch. Phys (3) xxviii 124. Willemite from the Buschbachberg near Stolberg by K. Honheim. J. pr. Chem. xlix 320. Wolfram.-On the chemical composition of Wolfram by R. Schneider. J. pr. Chem. xlix 321. .. On the crystalline forms of Wolfram :by M Descloiseazm. Ann. Ch. Phys (3) xxviii 163. Zinc-spar.-J. pr. Chem. xlix 381. IN BRITISH AND FOREIGN JOUBNALS. Minerals Zinc-iron-spar (Kapnite) from the Altenberg by K. Xonheim. J. pr. Chem. xlix 319. ManganesQ-sinc-spar from the Herrenberg near Riom.-Idem. 382. Zinc.-Siliceous zinc-ore from the Altenberg and from Rezbanya in Hungary by X.Noniieim. Idem. Miniurn.-On the composition of minium by NuZder. Idem. 1 438. -Researches on minium by !? Jacquelain. Compt. rend. xxxi 626. Morinda.-On the colouring matter of the Morindu citrifolia by T. An-dersola. Morphine.-On the preparation of morphine by charcoal by M Diesel. Chem. Gaz. 1850,406. Mortar.-Hydraulicity and solidification of mortar.-Rev. Sci. xxxk 348. -Hyd rau1ic.-On certain limestones of Basse-Bretagne and their conver- sion into fat limes and hydraulic mortars by M. HobZin Compt. rend xxx 354. Mud.-On the mud of the Nile by Lajonchbe Puyen and Poinsot. J. pr. Chem. 1 201. Muscular Flesh.-On the fibrin of muscular flesh by J. Liebig. Ann. Ch. Pharm. lxxiii 125 ; Chem. SOC.Qu. J. iii 188. Mustard.-On the essential oils of garlic and mustard by A. Laureat. Compt. rend. xxx 126. Myroxocarpine,-a new cryatalline substance from white balsam by J. Stenhouse. Pharm. J. x 290. Myrtle.-Examination of the berries of Myrtus communis by E. Riegel. Chem. Gaz. 1850 275. N. Naphthaline.-On the sulphuric and nitric compounds of benzine and naptha- line by A. Laurent. Compt. rend. xxxi 537. Nickel.-On the densities of nickel and cobalt by M. Rammelsberg. Rev. Sci. xxxiii 11 1. -Preparation of pure nickel and cobalt on the large scale.-Idem. xxxix 202. -On certain compounds of ammonia with the ferrocyanide and ferricyanide of nickel by A. Reynoso. Compt. rend. xxx 409. Nicotine.-On some new salts of nicotine by J.Bodeker jun. Ann. Ch Pharm. lxxiii 372. Nitrates.-On the nitrates of iron and some other nitrates by J. M. Ordwq. Sill. J. [2] ix 30. Nitre.-On the formation of nitre on walls &c. by M. Mmigcautt. Compt. rend. xxxi 286. Nitrogen.-On the assimilation of the nitrogen of the air by plants and on the influence of ammonia on vegetation by H. YiZZe. Idem. 578. -On the percentage of nitrogen as an index to the nutritive value of food by A. Volcker. Chem. Gaz. 1850 337. TITLES OF CHEMICAL PAPERS Nitrogen.-% the sulphide of nitrogen by Fordos and Gelis. Compt. rend. xxxi 702. -On the influence which the nitrogen in manure exerts upon the amount of proteine in the crops by E.John. J. pr. Chem. 1 57. -On the amount of nitrogen which birds assimilate from their food by J.L Lassaigne. Chem. Gaz. 1850 216. -On the presence of nitrogen in cast-iron and steel by R. F.Marchand. J. pr. Chem. lxix 351. -On the chlorophosphuret of nitrogen and its products of decomposition by J. H. Gladstone. Part I. Chem. SOC.Qu. f. iii 135 ;Part 11. Idem. iii 354. Nitro harm alid in e.-On some compounds of nitroharmalidine :byJ. Fritzsche. Chem. Gaz. 1850 65. Nitromannite.-On nitromannite :by A. Strecker. Ann. Ch. Pharm+ lxxiii 59. Nitronaphthaline.-On some new products obtained by the action of sul-phite of nitronaphthaline by R. Piria. Compt. rend. xxxi 408. Nitroprussides.-On the nitroprussides a new class of salts by Lyon Play-fuir. Phil. Mag wxvi 197 271,348 ;also Ann.Ch. Pharm. lxxiv 317. -On the chemical formula of the nitroprussides by J. Xi$. Ann. Ch. Pharm. lxxi 340. Nutrition.-On the nutrition of plants by GoMagnus. J. pr. Chem. 1 65. -On the percentage of nitrogen as an index to the nutritive value of food by A. Yolcker. 1850 337. -On the influence of an augmentation of the saline matter on the food upon the proportion of nitrogen contained in the perspiration and in the urine by M. Barral. Chem. Gaz. 1850,47. -On the diet of the Belgian miners by H. Charpentier. Compt. rend. xxx 826. 0. Oils,-On the oils produced by the action of sulphuric acid on different vege- tables by J. Stenhouse. Ann. Ch. Pharm. lxxiv 278 ; Chem. Gaz. 1850 319. -On the behaviour of certain fixed oils with bichromate of potash and sul- phuric acid by G.Arzbiicher. Ann Ch. Pharm. lxxiii 199. -On the essential oils of garlic and mustard :by A. Aaurent. Compt. rend. xxx 126. On the light oils obtained in the distillation of wood by A. Cuhours Idem. 319. -On the oil of Croton tiylium by M. hibourt. J. Pharm. t3] xvii 181. -On the oil of asafcetida by H. Hlasiwetz. Ann. Ch. Pharrn. lxxi 23 ; J. Pharm [3] xvii 234. -On the essential oils of mustard and bitter almonds by A. Laurent. Compt rend. trav. chim. vi 8. -On the essential oil of bitter almonds by C. G. Jfitscherlich. Chem. Gaz. 1850 288. -On the volatile oxidation-products of oil of turpentine obtained by the action of nitric acid by F. C.Schneider. Ann. Ch. Pharm. lxxv 101. -Action of chloride of sulphur on oils -Rev. Sci. xxxix 13. IN BRITISH AND FOREIGN JOURNALS. Oils -On the alcohol-test of the purity of castor and croton oils by J. Pereira. Pharm. J. ix 499. -On Secule carnuturn and its fixed oils by Dr. Bertrand. Idem x 133. Opium,-Tests for opium by G. Reich.-Idem. x. 36. -Process for estimating the quality of opium by M. de Try. Idem. 77. __. On the variable strength and quality of opium by M. ChevalZier. Idem. 78. Organic Alkaloids.-Preliminary notice on the action of nitric acid on organic alkaloids by T.Anderson. Ann. Ch. Pharm. lxxv 80. Analysis.-Gas furnace for combustions in organic analysis by L. S. Beale. Pharm. J. ix. Bases.-Researches on the constitution of the volatile organic bases :by A.W. Hofmann. Phil. Trans. 1850,1 93; absir. Chem. SOC.Qu. J. iii 279. . . Researches on the volatile organic bases :by A. IT.Hofmann.-No. viii. On the behaviour of aniline and the alcohol-bases with nitrous acid.-Chem. Soc. Qu. J. iii 231. .. Investigations on the composition of certain natural organic bases by A. Planta. Ann. Ch. Pharm. lxxiv 245. I. On some new salts of organic bases by G. W. Elderhorst. Idem. 77. Radic ah-Researches on the organic radicals Part. 11 Amyl. by E. Frankland. Chem. SOC.Qu. J. iii %).-Part iii. On the action of solar light on iodide of ethyl.-Idem. iii 321 .. Note on the action of heat on valeric acid with some remarks on the formulae of the alcohol radicals by A.W.Hofmann. Idem. 121. .. observations on the preceding by C Gerhardt. Compt. rend. trav. chim. vi 233. .. On the nature and chemical constitution of the organic radi- cals by H. Kolbe. Ann. Ch. Ph. lxxv 211 ;Chem. SOC. Qu. J ii. 369. .. Observations on the constitution of the alcohol-radicals and on the formation of ethyl :by B. C. Brodie. Chem. SOC.Qu. J. iii 405. .. On Stibethyl a new organic radical containing antimony :by C.Liiwig and E. Sehweizer. Idem. 315. Organic Substances.-On the crystalline forms of certain organic sub-stances by H. Datiber. Ann. Ch. Pharm. lxxiv 200. .. On various organic compounds by A. Luurent. Compt. rend. xxxi 349. .. On the physiological action of similarly constituted organic substances :by J. Schlossberger.Ann. Ch. Pharm. lxxiii 212. .. On the action of a mixture of glucose and sulphuric acid on organic substances by M. Schultze. Idem. lxxi 266 ;abstr. J. Pharm. [3] xvii 145 ;also Chem. Gaz. 1850 98. .. Fundamental experiments on the determination of the inor- ganic constituents of organic bodies by A. Strecker. Ann. Ch. Pharm. lxxiii 339. .. On the inorganic constituents of organic substances in gene= ral and of hens’ eggs in particular :by H. Rose. Pogg. Ann. lxxix 398. .. On the quantitative determination of the inorganic consti- tuents of organic substances :by H. Rose. Idem. lxxx 94 0ryiment.-Observations on arsenious acid realgar and orpiment :by Huus-mann. Ann Ch. Pharm. lxxiv 188. TITLES OF CHEMICAL PAPERS Oxygen.-On a new compound of chlorine sulphur and oxygen :by E.MiL Zon. Ann. Ch. Phys. [3] xxix 237. -Apparatus for preparing oxygen by M. iYunch. J. Pharm. 133 xvii 202. -Impurity in oxygen gas from chlorate of potash :by Dr. Ybgel. Chem. Gaz. 1850 17. -On passive and active oxygen by A. Buchner. Buchn. Repert. ix 234 ; Pharm. J. ix 532. Ozone.-By M. Schunbein Phil. Mag. xxxvi 398 ; Cornpt. rend. xxx 13. -On the nature of ozone :by Dr. Osann. J. pr. Chem. 1 209. -Observations on ozone and black phosphorus :by G. Osann. Chem. Gas. 1850 15. -Communication relative to Schonbein’s experiments on ozone by M. Becquerel. Compt. rend. xxx 13. -Atomic weight of ozone :by G. Osartn. Chem. Gaz. 1850 25. Pancreatic Juice.-Facts relating to the history of the pancreatic juice by J.L. Lassaigne. Compt. rend. zxxi 745. Papaverine.-On papaverine by G. Merrk. Ann. Ch. Pharm. lxxiii 50. Peat.-Application of Irish peat in the formation of various products.-Rev. Sci. xxxviii 112. Pheneto1.-Researches on anisole and phenetole by A. Cuhours. Ann. Ch. Pharm. Ixxiv 298. Phenides.-On the phenides a new class of organic compounds :by Laurent and Gerhardt. Idem. lxxv 75. Ph1oridzine.-By Gush Rose. Idem. Ixxiv 178. I__ On the chemical constitution of phloridzine by A. Strecker. Idem. 184. Phosphorus.-On the luminosity of phosphorus :by R. F. Marchand. J. pr. Chem. 1,1. -Action of sulphur on the pentachloride of phosphorus by J. H. Gladstone. Chern. SOC.Qu. J. iii 5. On the compounds of the halogens with phosphorus by J.H. Glad-stone. J. pr. Chem. xlix 40. -On the definite compounds of iodine and phosphorus :by B. Corenzainder. Ann. Ch. Phys. xxx 242. -On a new allatropic state of phosphorus by A. Schrotter. Pogg. Ann. Ixxxi 276. -On the nature of amorphous phosphorus by A Schrb’fter. Compt. rend. xxxi 138. -Further contribution to the knowledge of the nature of amorphous phos- phorus Pogg Ann. Ixxxi 299. -Metallic alloys containing phosphorus.-Rev Sci. xxxix 298. Photography.-Photography on paper by M. BEanquart Evrurd. Idem. 305 328. -Photography on ge1atine.-Idem. 307. -On an accelerating process in photography by J. Hiddleton. Phil. Mag. xxxvii 178. -Photographic images on paper obtained by means of an albuminized plate &c, by A.H.de Molurd. Compt. rend. xxxi 208. IN BRITISH AND FOREIGN JOURNALS. Photography.-Note on photography on glass and on some new facts :by NiepcQde St. Victor. Compt. rend. xxxi 245. -Additional communications relating to photography on paper by F. Bonsipes. Idem. 726. -Note on a new process for obtaining photographic images on a plate of silver by Ntepce' de St. Victor. Idem. 498. -On paper by 3f. Gatel. Idem. 497. Physiology.-Various facts of chemistry applied to physiology by M. Bnr-reswil. J. Pharm. [3] xxii 113. -On the physiological action of analogously constituted chemical com-pounds by J. Schlossberger. Chem. Soc. Qu. J. iii 179. Plants.-On the growth of plants in abnormal atmospheres by J.H. Gladstone and G. Glndstoize. Chem. Gaz. '18.50 342. Platinum.-On the action of ammonia on chloroplatinate of ammonium by C. Gerhardt and A. Laurent. Ann. Ch. Pharm lxxiii 223 ;Compt. rend. trav. chim. vi 273. -Researches on the ammoniacal compounds of platinum :by C. GerJiardt. Compt. rend. xxxi 241 ; also Compt. rend. trav. chim. vi 273. -Substitute for spongy platinum in spirit-lamps by JL Tagner. Rev. Sci. xxxix 110. Polarization Circular.-On the manifestation of molecular rotatory power in solids by M. Biof. Ann. Ch. Phys [3] xxviii 215 351. -Detail of experiments made by the Commission of the Academy of Sciences to verify the relations established by M. Pasteiir between the rotatory actions of dextroracemic and leveracemic acid and that of crystallized tartaric acid.-Idem.99. -On the rotatory power imparted by heat to essence of turpentine and saccharine solutions :by 3fiX. Provostaye and Dcssains. Compt. rend. xyxi 621 ;Ann. Ch. Phys. xxx 267. __)-General determination of the law of variation of the rotatory power in ternary systems of liquids when a body possessing the rotatory power is placed in contact with two inactive bodies which have no chemical action on each other by df. Biot. Ann. Ch. Phys. [3] xxix 430. -New researches on the relations which may exist between crystalline form chemical composition and the phenomenon of circular polari- zation by L.Pustcvr Compt. rend. xxxi 489. Polarized Light.-Experirnental researches to determine whether water near its point of maximum density or its freezing point exerts any action on polarized light :by 3f.Biot. Cornpt. rend. xxx 281; Pogg. Ann. lxxx 370. -On a new polariscope by H. de Seizarmont. Ann. Ch. Phys [3] xxviii 279. -On the application of colonred polarized light in microscopical investiga- tions.-J. pr. Chem xlix 490. Polymeris m.-On isomorphism polymerism and heteromerism by Ur. v. .&ohell. Idem. 469. Poppy.-Analysis of the seed of the white poppy.-Ann. Ch. Phys. [3] xxxii 4'10;Pharm. J. ix 543. Porcelain -On the red colours used in painting on porcelain by M Xaluefat Rev. Sci. xxxix 17. VOL. 111.-NO. XII. GG TITLES OF CIIhMIChL PAPERS Porcelain.-Researches on the composition of the materials used in China for the manufacture and decoration of porcelain (Part I.) by ,iM.Ebelmen and Salve‘tat. Compt. rend. xxxi 743. Potash.-On the quality of potash removed from the soil by the cultivation of the vine by :tl;Vorrssinpult. Ann. Ch. Phys. [3] xxx 369. -On the racemate of potash and soda by V.DeZ#s. Yogg. Ann. lxxxi 276. Potasso-gypsite.-On potasso-gypsite a double sulphate of lime and potash by J.A. Phillips. Chem SOC. Qu. J. iii 348. Pot ato.-Analysis of the ashes of the Spanish potato (Coizvoluulus bututas) by T. J. Herapath. Chem. SOC. Qu. J. iii 193. Precipitates.-Intermitting siphon for washing precipitates by JCI.Bloch. Bull. SOCInd. 1850 39. Propy1ene.-On propylene a new hydrocarbon of the series C,. €1,. by J. P?. Reyt,olds. Chem. SOC. Qu. J. iii 111. I_ On the action of chlorine and bromine on propylene ethylene and their homologues by A.Cahours. Comp. rend. xxxi 111. Proteine.-On the composition of proteine-compounds by T.S.Hunt. Compt. rend. trav. chim. ri 317. -On a reagent for protejne-compounds by E. ;7.li’Zlon. Ann. Ch. Phys. [3] xxix 507. Psoralea Glandu1osa.-On the tea-plant of Paraguay by LW.LenobZe. J. Pharm. xviii 199. Putrefac t i on.-influence of lime onthe putrefactive process.-€'harm. J.x 27. -On the putrefaction of alimentary conserves and the causes which may produce it by X.iloride. Compt. rend. xxxi 5 19. Pyrog1ycerine.-On pyroglycerine by H. Sobrero. Phil. Mag. xxxvii 394. Pyroxylic Spiri t.-Test for distinguishing acetone from pyroxylic spirit by -21,Scnnlun.Pharm. J. ix. 455. Q. Quinine -On the action of certain re-agents upon quinine by Dr. Togel juiz. Ann. Ch. Pharm. lxxiii 221 ; Chem. SOC.Qu. J. iii 191. -Citrate of quinine and iron by Mr. Barber. Pharrn. J. ix 338. Quinoidine.-On quinoidine by R. Lelmunn and E’. Yolland. Idem. 42. Quinquina.-Note on the yellow quinquina at present found in commerce by M. Bre‘ton. J. Pharm. [3] xvii 93. -Note on the preparation of syrup and extract of quinquina by F. Boudet. Igem. [3] xvii 192. R. Realgar.-Observations on arsenious acid realgar and orpiment by Huusmu~zn. Ann.Ch. Pharm. lxxiv 188. Reduction.-On some phenomena of reduction and on a new method of se-parating iron from its compounds by J. A. Poumarkde. Compt. rend. xxix 518 ; Chem. Gaz.1850 136. Resin,-On the resin of the Norway spruce fir by D. Hunbury. Pharm. J. ix. Respiration.-Researches on respiration by L. Dayer. Ann. Ch. Phys. [3] xxviii 5. -On the products formed from sugar by respiratory ovidation -by ..lPial/d. Compt. rend. xxx 7 15. IN BRITISH AND FOREIGN JOURSALS. 45 1 Rhuharb,-Colouring matter obtainable from the deposit in tincture of rhu-barb by J. Cobb. Pharm. J. ix. 529. -On erythrose the colouring matter of rhubarb :by N. Mearin. J. Pharm. [3] xvii 179. -_. On the colouring matter of rhubarb both native and foreign and its application in the arts and in pharmacy by M. Garot. Idem. [3] xvii 5. Rock.-On the mineralogical and chemical constitution of rocks by M. DeZesst.. Ann. Min. xvi 97 233 367.Hoot.-Chemical examination of a root which grows in the Eastern Republic of Uruguay(Monte Video) and is called by the Indians G-uai’cnru by M Lenoble. J. Pharm. [31 xvii 200. S. Saccharimeter.-Note on a new compensator for the saccharimeter by J. Dubosq and N.SoleiZ. Compt. rend. xxxi 248. Sainfoin.-On the influence which various saline substances may exert on the produce of sainfoin by Ikidore Pierre. Idem. 547. Sal-ammoniac.-On the rhombohedra1 crystals of sal-ammoniac by Naumnnn. J. pr. Chem. 1 309. Salt.-Chemical analysis of the Krankenheiler salt byR.Fresenius. Idem.xlix 146. -I Notice respecting the Krankenheiler salt by A. Barth. Idem. 313. Salts.-On a remarkable analogy of form between certaiti sulphur-salts and oxygen-salts by G.Rose. Idem. 155. -On salts of the oxides R,0 by A. Laurent. Compt. rend. xxx 673. I-On the action of bases upon salts and particularly upon the arsenites by A. Reynoso. Idem. xxxj 68. Salt-springs.-On the useful application of the mother-liquorsof salt-springs by Ch. Calloud. J. Pharm. [3] xvii 28. Sandal-wood.-On the colonring matter of sandal-wood :by A. Weyermanit andT. HufeZy. Ann. Ch. Pharm. lxxiv 226. Saponine.-Researches on saponine by F.Ze BE@‘. Compt. rend. xxxi 654. Scil1itine.-Note on scillitine :by L 3’.Bley. Chem. Gaz. 1950 276. Silver.-On the presence of lead copper and silver in sea-water and on the existence of the last-mentioned metal in plants and in organized beings by NM. MaZnguti Durocher and Sarzeaud. Ann.Ch. Phys. [S] xxviii 129. -Researches on the association of silver with metallic minerals and on the processes to be followed for its extraction by MM. MaZaguti and Durocher. Ann Min. xvii 5 245 461. -On a natural alloy of silver and copper from Chili by Fr. FieEd. Chern. SOC.Qu. J. iii 29. -Experiments on the extraction of gold and silver from their ores TJY the wet way :by John Percy. Phil Mag. xxxvi 1. -Analysis of certain compounds of gold and silver by A. Levol. J. pr. Chem. xlix 171. -Method of separating silver from cupreous solutions by M. Roll~y. Chem Gaz. 1850,116. GGa TITLES OJ? CHEMICAL PAPERS Silver.-Method of silvering glass by means of gun-cotton by M.Wold. J. Pharm [S] xvii 141. -Chemical and therapeutical considerations on the salts of silver by M.Delioux:. Compt. rend. xxxi 725. Siphon.-Intermitting siphon for washing precipitates by M. BEoch. Bull. SOC.Ind. 1850,39. Soap.-Use of Iceland moss in soap-making by M. Chastelain. Rev. Sci. xxxix 297. Soda.-On the products of the soda manufacture by Mr. Brown. Idem. 145. -On the reducing action of soda in blowpipe experiments by R.Fugner. J. pr. Chem xlix 191. _1 On the racemate of potash and soda by ?T.DPZ~S. Pogg. Ann. lxxxi 276. Solutions Saline.-On the supersaturation of saline solutions :by H. Lowel. Cornpt. rend. xsx 163 ;Ann. Ch. Phys. [3] xxix 62. Spheroidal State.-On the force which retains bodies in the spherdidal state beyond the range of their sphere of chemical and physical activity by 3f.Boutigiiy Compt.rend. xxxi 279. -Report on the preceding by 3f.Babinet. Idem. 509. -On the spheroidal state and on the incombustibility of the human body by J. Lcyynl. Compt rend. xxx 415. -On the momentary incombustibility of living organic tissues and on the physical constitution of bodies in the spheroidal state by iW. Boutigny. Ann. Ch. Phys. [S] xxviii 158. -Observations upon M. Bontigny’s recent experiment by Prof. Plucker. Phil. Mag. xxxvi 137. __. Experiments on liquids in the spheroydal state by M. Legal Compt. rend. xxx 182. -New experiments on Leidenfrost’s phenomenon :by J. Schnauss. Pogg. Ann. Ixxix 432. -Various facts relating to the spheroYda1 state :by M. A~thur. Compt. rend. xxxi 589. Starch.-On the quantity of starch contained in different plants.-Rev.Sci xxxviii 140. -On a new substance isomeric with starch by J. Gottlieb. Ann. Ch. Pharm. lxxv 5 1. Steam-engine.-On the incrustation which forms in the boilers of steam- engines :by J. Davy. Chem. Gaz. 1850 343. Stearine.-On the melting point of stearine from mutton suet :by 7T.Heintz. Idem. 68. Stibethy 1.-On stibethy1,a new organic radical containing antimony by Lowig and Schweizpr. J. pr. Chem. xlix 385 ;Ann. Ch. Pharm lxxv 315 4 Chem Gaz. 1850,377. Stramonium,-Daturine found in the urine of persons poisoned with stramo- nium by R.AZZan. Ann. Ch. Pharm. lxxiv 223. Strontia.-Crystalline form of sulphate of strontia by M. Hugard. Compt. rend. xxx 387. -Crystallographic examination of sulphate of strontia and description of several new forms of that substance by M.Dufre‘noy. Idem. xxxi 169. IN BRITISH AND FOREIGN JOURNALS. Strychnine.-On the use of kermes as an antidote for strychnine and nux vomica :by M. Thorel. J. Pharm. [3] xvii 185. -Report on the memoir of M Thorel by MM. Gobley and Bouchardut. Idem. 190. -On the detection of strychnine :by A. K Brieger. Chem. Gaz. 1850 408. Styracine.-On styracine by J. Wolf. Ann. Ch. Pharm. lxxv 297. -On the composition of styracine by A. Strecker. Idem. lxxiv 112. Sugar.-On sugar and the sugar manufacture by M. Rousseau. Compt. rend. xxxi 3. -Report on the preceding by M. Payen. Idem. xxxi 539. -Rev. Sci. xxxix 1, -Qiiantitative determination of sugar and starch by means of sulphate Examination of sugar and fecula.of copper :by H. FehZing. Chem. Gaz. 1850,93. -On the products formed from sugar by respiratory oxidation by M Mialh&* Compt. rend. xxx 745. -Examination of the crystals of sugar which occur in the flowers of the Rhododendron ponticam by B. Sthumer. Ann. Ch. Pharm. lix 151; Chem. Caz 1850,7. -On the use of lead in the manufacture of sugar.-Pharm. J. 177 245. -On the presence of sugar of milk in the cotyledons of plants by H. Braconnot. Chem. Gaz. 1850 87. -On a new kind of sugar obtained from muscular flesh :by Prof. Scherer. Ann. Ch. Pharm. lxxiii 322. -On Dulcose a homologue of grape-sugar :by A. Laurent. Compt. rend. xxx 41. -On sugar in the albumen of eggs :by Baweswil.J. pr. Chem. 1,134. -On a new re-agent for detecting the presence of sugar in certain liquids by jlif; i?huumen&. Compt. rend. xxx 314. -On the employment of acetate of lead and sulphurous acid for purifying sugar :by Drs Sccfleel’n,Gregory and Christison. Chem. Gaz. 1850,340. -Improvements in the refining of sugar by A. Steinkamp. Rev. Sci. xxxix 14. -On the precipitation of the colouring matter of sugar by a metallic oxide by H. Farburton. Chem. SOC.Qu. J. iii 53. -Use of acetate of lead in purifying sugar by J. G. Jfiranda. Pharm. J. ix 390. -Use of acetate of alumina in refining sugar.-Idem. 334. -Improvements in sugar by B-. J. Frank. Inst. ix 132. -Experiments on the manufacture of sugar from beetroot :by Fr.KuhZmunn. Compt. rend. xxx 341. -Analysis of the refuse of crude beet-sugar used in feeding cattle by .&EX Payert Poin.sot and Brunet. J. Pharm. [3] xvii 48. -Observations on the sugar manufacture by Burrestoil. J,pr. Chem. 1 269. -On themanufacture of beet-sugar by iff. HurewuZd. Rev. Sci. xxxix 15. -On the manufacture of beet-sugar without the use of animal charcoal by Dr. Liidersdorf. Chem. Gaz. 1850 316. -Analysis of sugar feculencies by T. J. Herapnfh. Chem Soc. Qu. J. iii 367. TITLES OF CHEMICAL PAPERS. sulphur.-Onanew compound of chlorine sulphur and oxygen by E. XilZo/i. Ann. Ch.Phys. [3] xxix 237. -On the acids of sulphur by J. Furdos and A. G&s. J. pr. Chem.1 83. -On the sulphide of nitrogen by Furdos and Ge‘Eis. Compt. rend. xxxi 702. -On hypochlorous acid and the chlorides of sulphur :by E. .&%?on. Ann. Ch. Phys. [3] xxix 506. -On the action of sulphur on the pentachloride of phosphorus by J. H. Gludstoae. Chem. Soc. Qu. J. iii 5. -Behaviour of arsenic antimony and tin with chloride of sulphur :by F. Wohler. Ann. Ch. Pharm. lxxiii 374. Sulphuretted Hydrogen.-On the removal of sulphuretted hydrogen from solutions in quantitative analysis :by H. Rose. Chem. Gaz. 1850 27. Tamarind.-On the action of volatile acids on the fruit of the Tamarind by Gorup-Besunez. Rev. Sci. xxxviii 233. l’an t a1 u m.-Examination of the composition of tantalum-ores by R. Hermann. J. pr. Chem. 1 184. Teeth.-On a cement for stopping the cavities of teeth by T.J.Heruputh. Chem. SOC. Qu. J. iii 367. Theine.-Method of preparing theine by *H.Heinsius. Chem. Gaz. 1850 119 ; J. pr. Chem. xlix 317. ‘I’hermometer.-Relation between the graduation of the Centigrade and Fahrenheit thermometers by ilL; D’Abbudie. Pharm. J. x 254. Tin.-On the amalgam of cadmium and tin by Prof. Yurrentrup. Ann. Ch. Pharin. lxxiii 256. -Analysis of the tin of the Banca mines.-J. Pharm. [3l xvii 51. -Behaviour of tin with chloride of sulphur by F. WohZer. Ann. Ch. Pharm. lxxiii 374. -On a new method for the quantitative determination of tin :by C. M2ne. Chem. Gaz 1850 365. Titanium.-On the nature of metallic titanum by F. W$hZe)*. Ann. Ch. Pharm. lxsiii 34 ; Ann. Ch. Phys.[3] xxviii 382. -On cyanide of titanic chloride by 3’.Wohler. Ann. Ch. Pharm. lxxiii 219; Pogg. Ann. lxxix 327. __. On a compound of titanic chloride with hydrocyanic acid by F. FWzler. Ann. Ch. Pharm. lxxiii 226. __. Observations on the titaniferous veins of the Alps :by A. Duubre‘e. Ann. Min. xvi 1‘29 -On the preparation of pure titanic acid by F. ?#%Met-. Chem. Gaz. 1850 72 ;Ann. Ch. Pharm. lxxiv 212. -Improved method of extracting tin lead &c. from their ores.-Pharm. J. x 74. -On the two modifications of oxide of tin by C. JViZtstein. Buchn. Repert. x 313. -On the cyanogen-compounds of titanium by El. IYdhler. Chem. SOC. Qu. J. iii 177. ‘~‘oluidi by W.1Yilson. Idem. 154. nc.-i~ctionofchlorideofcyano~~n~ntolui~~ine. Ih' BRITISH AND FOREIGN JOURNALS.Tungsten.-On the amidogen-compounds of tungsten :by F. WohZev. Chem. Gaz. 1850. 161. -On the atomic weight of tungsten with analyses of wolfram :by B. Schnei-der. J. pr. Chem. xlix 231 ;1 152. ri 1 urmeric.-Reaction of borax on turmeric by Dr. Voyet,jun. Pharm. J. ix 441. Tyrosine.-On a decomposition-product of tyrosine by A. Strecker. Ann. Ch. Pharm. lxxiii 70. U. Urea.-Process for obtaining urea and ferrocyanide of potassium by Dr.Brund. Rev. Sci. xxxviii 418. -On the presence of urea and hippuric acid in ox-blood :by F. VwdeiZ and C. Dollfus Ann. Ch. lxxiv 214. Urine.-Occurrence of crystallized ammonia-magnesian phosphate in the urine on the day that magnesia had been taken as a purgative :by M.Garat. J. Pharm. [3] xvii 89. -On the so-called chylous urine :by H. Bence Jones. 'Phil. Mag. xxxvii 302. -Daturine found in the urine of persons poisoned by stramonium by R. Allan. Ann. Ch Pharm. lxxiv 223. I_ Researches on the quantity of ammonia contained in urine by M. Boussin-gauEt. Ann. Ch. Phys. [3] xxix 472. V. Vanadium.-On Araoxene a new vanadicate of lead and zinc by Fr. 21. KoobeZl. J. pr. Chem. 1 496. Vapours.-On an equation between the temperature and maximum elasticity of vapours by FF. Rankin. J. Frank. Inst. xlis 121 181. Vegetable Kingdom.-vide Animal Kingdom. Substances.-Contributions to the doctrine of the identity of the sul- phurous and nitrogenous animal and vegetable substances by F. Keller. Ann. Ch. Pharm.Ixxii 24 ; Chem. Gaz. 1850 121. Vegetation.-Researches on vegetation :by MAW.CEoez and Gratiolet. Compt. rend. xxxi 626. Vine.-On the quantity of potash removed from the soil by the cultivation of the vine by iM.Boussinynult. Ann. Ch. Phys. [3] xxx 369. Vitrification.-Influence of boracic acid on vitrification :by M. Mues. J. Frank. Inst. xix 140; Compt. rend. Oct. 22 1849. Vivionit e.-Formation of vivionite in the animal economy.-Rev Sci. xxxviii 68. Volcanic Rocks.-On the volcanic rocks of the coal-basin of Commentry (Allier) and on the transformation of the coal in contact with one of them into coke by C. i7lnrtcns. Compt. rend. xxxi 656. Volume Specif ic.-On the relations between chemical composition boiling- point and specific volume by H.Kopp. Chem. SOC.Qu. J. iii. 104. W. Water.-The effect of pressure in lowering the freezing-point of water experi- mentally demonstrated by ?K Thomson. Phil. Mag. xxxviii 123. 456 TITLES OF CHEMICAL PAPERS Water.-On the latent heat of water by C. C. Person. Ann. Ch. Phys. [3] xxx 73. -Note on the boiling of water at different heights by A%. Fisse. Idem. xxv& 118. -Observations on the preceding note by V.Regnuult. Idem. 123. -Experimental researches to determine whether water near its point of maximum density or near its freezing-point exerts any action on polarized light by $1.Birt. Compt. rend. xxx 281. -Fresh water in marine boilers by 2-. J. Frank. Inst. xix 131. -On the preservation of water by M. PeriEet. Idem. 140.-Apparatus for evaporating and drying and for preparing distilled water for analytical laboratories by R. Fresenius J. pr Chem. 1 130. Waters Mineral.-Analysis of an aluminous water by T. Beesley. Pharm. J. ix. 452. -On the action of the soap-test on water containing a salt of magnesia only and likewise upon water containing a salt of magnesia and a salt of lime by D. Campbell. Phil. Mag. xxxvii 171. -Analysis of the water of the Mediterranean by J. UsigZio. Phil. Mag. xxxvi 404, -Analysis of Astrop Wells and Sutton Bog mineral waters by T. Beesley. Pharm. J. x 293. -On the air and water in towns and the action of poroiis strata on water and organic matter by R. A. Smith. Idem. 149. -Analysis of a spring at the Orrell Colliery by J S.JIusprizft. Idem. 59. -Analyses of mineral waters,-J. p. Chem. Ud. 1. Medicinal spring at Sternberg p. 49; mineral water of Niederltronn p. 49; l’hames water p. 50 ; Thames water at Greenwich p. 50 ; Mineral spring in the neighbourhood of Bristol p. 51 ; Water from the Elampstead Water-Works Company p. 51; Sea-water from the Gulf of Suez p. 51. -Examination of the mineral waters of Bagnares-de-Luchon :by 2M. Filhol. J. Pharm. [3] xviii 177. -Contamination of drinking water with lead.-Idem. 60. -Chemical examination of the waters of some of the mineral springs of Canada by T.S. Hmt. Sill. J. [2) ix 266. -Artesian well at Casset Dept. de 1’Allier by M. Bertrund. Compt. rend. xxxi 173. -Examinationof the mineral waters of Cransac by C.Blondeau. Idem. 313 -On the natural ferro-magnesian mineral waters of Cransac by 0. Henry. J. Pharm. [3] xvii 161. -The Ferdinandsbrunnen at Marienbad.-Pogg. Ann. lxxx 317’. -Chemical analysis of the water of Neiderbronn (Lower Rhine) by M. Kosmann. J. Pharm. xvii 43. -Observations on the waters of the town and arrondissement of Rheims by E. Il.iuumen4. Compt. rend. xxxi 270. -Analysis of the mineral water of St. Vilaine St Auboin (Loiret) by M. Poumurdde. Rev. Sei. xxxviii 21. -Analysis of deep well-water from Messrs. Holt’s brewery Ratcliffe by J. Mitchell. Chem. Soc. Qu. J. iii 1. -On alterations iu well-water . by C Bloizdeuit Compt. rend. xxx 48 1 IN BRITISH AND FOBEIGN JOURNALS. 45 7 Waters M inera1.-Artificial imitation of mineral waters.- Rev.Sci. xxxix 29. -Hepatic waters.-Idem. 31. Wax.-On the microscopical examination of wax with reference to the detec- tion of that substance in animals and plants by F. Dujadn. Compt. rend. xxx 172. Wheat.-Gluten and starch in wheat by H.Rau Ann Ch. Pharm. lxxiv 108. Wine.-On wine by 3'. L. Winckler. Pharm. 3. x 134. Wood.-On the light oils obtained in the distillation of wood by A. Cahours. Compt. rend. xxx 319; Chem. SOC.Qu. J. iii 183. -An account of experiments 'on the saturation of growing wood with anti- septic chemical solutions by A. Geyde. Chem. Gaz. 1850 258. Wood-s pir it.-manu fact ure of wood .spirit.-Pharm. J. x 30. Wool.-Improvement in the method of removing grease from wool by M9..Mercer. Rev. Sci. xxxix 107. X. Xanthates.-On the action of ammonia on the products of the oxidation of xanthates by iodine by H. Debus. Ann. Ch Pharm. lxxii 1 ; also Chem. Gaz. 1850,143. Xanthic oxide.-On a substance analogous to xanthic oxide occurring in the animal organism by Prcf Scherer. Ann. Ch. Pharm. lxxiii 32s. 2. Zinc.-On the geological position of calamine ores by J. Belanone. Compt rend. xxx 765. -Oxide of zinc by M,Sorel. Idem. x 39. 7 Oxide of zinc as a pigment by M. Chpvalier. Idem. ix 531. -Mutual action of sulphate of magnesia and sulphate of zinc :by M. SchGuf-fez. Phil. Mag. xxxvi 479. -On the innocuous nature of preparations of zinc used in the arts by AW. Sorel. Compt. rend. xxx 743. -Comparative experiments on the effects of oxide of zinc and of sulphate and carbonate of lead on the animal economy :by C.FZandilz. Compt. rend. xxx 510. -Poisonous effects from zinc by MM. Bouvier Lnndouzy arid Mauriwnd. Chem. Gaz. 1850 361 ;also by C. PZartdin. Pharm. J. x 192.