INCLUDING THE PROCEEDINGS OFMBETINCS OF &XfmTp OF PUBLIC &ALYSTS.. ........ 221ON THE DISCRIDXINATION OF STARCHES BY POLARIZEDLZQET. By Dr. Tripe .......................... 221On AESF~NIO M PLAYIN@ CARDS. By Dr. Wallace.. .. 223ON THE MINERAL OONSTITIJENTS OF CINNAMON ANDCASSIA. By 0. Hehner .......................... 225On THE DETERMINATION OF CARBONIC Ams IN CAR-BONAW. By& W. Wigaer, F.C.S ............... 228mU88’8 sY8TtcVr Oi DIVIHCI AT THE POLYTEOENIO.. 230THE “SOCIETY OF PUBLIC ANALYSTS.”NORFOLK B m G POWDEB.. ........................ 881LAW REPOBTB.... ..................................SPUFUOUS TEA... ................................... !aspDEEP ARTESIAN WELL ............................ aS7NOTES OF THE MONTE ............................. aeSANALYSTS’ REPORTS ................................!d8gANBWEBS TO CORRESPONDENTS. ..................... a40C H E ~ G A L PATENTS ................................ ar0BOOKS RECEI~IED .................................. 810A Monthly Journal for the information of those interested in the purity of Foodand Drugs, and in general Analytical and Microscopical Research.DECEMBER, 1879. [PRICE 6d. oriosdsdeus p0, 45.1 Edited { G. w. giGNERpbY J MUTER. atliwm. post i%Lm]ABSTRACTORS.E. W. T. JONES, F.C.S.J. FALCONEB KING, F.C.S.C. H. PIESSE, F.C.S.A. WYNTER BLYTH, M.R.C.S.C. A. CAMERON, M.D.OTTO HEHNER, F.C.S.Ma XA.C4ISON at GOaB65, BARBICAN, LONDON, EX@ (nearly opposite the Aldersgate Street Station of the Metropolitan Raiiway).(J. 0- AND H.M. CAPNER,)Pure COMPLETEChemicals. SETS OFQUA LITA TIYE,QUA N TI TA T I YE I nFINEST BERLIN ScientificPORCELAIN. Apparmtus.-BOH €MIA NGLASS. VOLUMETRIC,AND ASSAYA PPA RA TUS. -P LA TTN E R’SBLOWPIPE. -EO9ERTZCARBON. -ANDTHOMPSON’IFUEL TESTAPPARATUS.-ORA DUA TEDfNSTRUMEN TS. -HOFMA N N’SA P PA RA TUS.-ALSOELECTRICAL,GALVANIC,PNEUMA TICA PPA RA TUS,bc., bc.WHOLESALE AND EXPORT.Makers of Apparatus to the Laboratories of the Inland Revenue, Royal Arsenal, Royal mtargAcademy, Science Schools, India, Omce, South Kensington, $0.Catalogues and Estimates sent on applicatim, enclosing Business Card for T e r n , dcTHE ANALYST.President of the Society of Public Analysts ; Public Analyst for Lambeth, $outhwark,Bermondsey, Rotherhithe, Newington, and Wandsworth.Now ready, demy Svo, with copious Tables, price 7s.6d.A N INTRODUCTION TO ANALYTICAL CHEMISTRY. For Medicaland Pharmaceutical Stddents.Now ready, royal Svo, Second Edition, cloth, with Analytical Tables and copious Index, price 10s. 6d.A N INTRODUCTION TO PHARMACEUTICAL AND MEDICALCHEMISTY, Theoretica and Practical.“ The book is one of a very useful and original kind, and is brought up to the latest date, tests and‘‘ Amongst the best chemical treatises of the day, and in many respects superior to any that have yetprocesses published only a few months since being described in their proper places.”-Chemical News.been published.”-Public Health.Third Edition, 600 pp., Svo.Price 12s. 6d.KEY TO ORGANIC MATERIA MEDICA. Analytical Chemists will A find this a concise and yet complete book of reference for the isolation and examination of theactive principles of drugs. Special appendix on the microscopic characters of the starches in food anddrugs. Copious index and qualitative courses or resins, &c.LONDON : BAILLI~E, TINDALL & Cox, 20, King William Street, Strand, and all Booksellers.By A, WPNTEB BLYTH, M.R.C.S,, F.C.S., Public Analyst for the County of Devon.NOW READY, crown Svo, cloth, 12s. 6d.PRACTICAL CHEMISTRY (A Manual of). PART I: ANALYSIS OF FOODS-Flour, Bread, Milk, Butter, Cheese; Tea, Coffee, Cocoa; Alcoholic Liquids; Condiments. PUT II:“Will be used by every DETECTION OF PoIsoNs-Organic or Inorganic.With Tables and Diagrams.dnalyst.”--lancet. ‘‘ Stands unrivalled for completeness of information.”-Sanitary Record.LONDON : CHARLES GICIFFIN & Co., Stationers, Hall Court.By G, W. WIGNEB, F.O.S., one of the Honorary Secretaxies of the Society of Publio Bnalygtg ;Public Analyst for Greenwich, Plumstead, and Woolwich Districts.Price, ONE SHILLING.EASIDE WATER. An Examination into the character of the Water Supply atthe Watering Places of England and Wales, being an abstract of a aeries of Reports prepared forand published in the Sanitary Record during 1877-78, with Three Comprehensive Tables, giving balysesof the Drinking Water at all the Sea-Coast Toms.KENT & Co., Paternoster Row, London ; and at all Railway Bookstalls.E.CETTI & CO,,UNUFACTURERS O F BAROMETERS, THERMOMETERS, OHEMICU A mPHILOSOPHICAL APPARATUS OF EVERY DESCRIPTION.Dr. Franklin’s Apparatus for Analysis of Water. Dr. McLeod’s Modification for Water and Gas.Professor Bischof’s Apparatus for Evaporation of Water. Dr. Sprengel’s Mercurial Air Pumps of everyDre. Rtlesell and West’s Apparatus for Estimating Urea in Urine. Dr. Blaokley’s Apparatus for Ditto.11 and 31, Brooke Street, Holborn, London, Wholesale and for Exportation, and Rose CottageGlass Works, Pratt Street, Lambeth.form. Water Pumps for quick filtration. 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