QUARTERLY REVIEWS THE CHEMICAL SOCIETY PATRON HER MAJESTY THE QUEEN President SIR ALEXANDER TODD M.A. D.Sc. F.R.S. Vice-presidents who have filled the office of President 14. J. EhlELkUS C.B.E. M.A. D.Sc. SIR CHRISTOPHER INGOLD D.Sc. F.R.S. F.R.T.C. F.R.S. Sc.D. F.R.S. F.R.S. F.R.S. LL.D. F.R.S. SIR CYRIL HINSHLLM'OOD O.M. M.A. SIR ERIC RIDEAL M.B.E. M.A. D.Sc. E. L. HTRST C.B.E. D.Sc. LL.D. SIR ROBERT ROBINSON O.M. D.Sc. Vice-Presidents R. P. BELL M.A. F.R.S. F. BERGEL D.Sc. F.R.T.C. F.R.S. E. R. H. JONES D.Sc. F.R.T.C.,F.R.S. F. G. MANN Sc.D. F.R.I.C. F.R.S. J. M. ROBERTSON M.A. D.Sc. F.R.S. M. STACEY Ph.D. D.Sc. F.R.S. Honorary Treasurer M. W. PERRIN C.B.E. M.A. F.R.I.C. Honorary Secretaries J. CHATT M.A. Sc.D. F.R.I.C. K. W. A. W. SYKES M.A. JOHNSON D.Phi1. Sc.D. Ph.D. A.R.C.S.Ordinary Members of Council C. B. AMPHLETT Ph.D. D.Sc. .4. El. LAMBERTON Ph.D. R. G. R. BACON PIi.D. A.R.C.S. J . W. ialNNErr M.A. D.Phil. F.R.S. L. W. L o m Pli.D. A.R.C.S. D.T.C. G. E. COATES M.A. D.Sc. F.R.T.C. E. A. MOELWYN-HUGHES D.Phil. R. C. COOKSON M.A. Ph.D. A. C. FARTHING M.A. BSc. A.R.I.C. H . T. OPENSHAW M.A. D.Phil. 1. J. FAULKNER Ph.D. F.R.I.C. R. A. RAPHAEL Ph.D. D.Sc.,F.R.I.C. R. H.HALL,P~.D. A.R.C.S.,F.R.I.C. .I. C. RGBB D.Sc. Ph.D. C. €3. HASSALL M.Sc. Ph.D. F.R.T.C. R. H . THOMSON D.Sc.,Ph.D.,F.R.I.C. R. N. HASZELDINE M.A. Sc.D. A. I . VOGEL D.Sc. D.T.C.,F.R.I.C. W. A. WATERS Sc.D. F.R.T.C. F.R.S. B. A. HEMS D.Sc. F.R.I.C. W. B. WHALLFY D.Sc.,Ph.D.,F.R.I.C. E.Y Offieio J. W. COOK D.Sc. F.R.I.C. F.R.S. (Chairman of the Chemical Council) E. D. HUGHES D.Sc. F.R.T.C.F.R.S. (Chaiiman of the Joint Library Committee) D.I.C. D.Sc. Sc.D. F. R.I.C. General Secretary J. R. RUCK KEENE M.B.E. T.D. M.A. Librarian R. G. GRIFFIN F.L.A. QUARTERLY REVIEWS VOL. xrv 1960 Publication Committee Chairmai? H. J. EMEL~US C.B.E. M.A. D.Sc. F.R.S. G. 0. ASPINALL D.Sc. F.R.S.E. WILSON BAKER M.A. D.Sc. F.R.S. R. P. BELL M.A. F.R.S. E. ROYLAND D.Sc. Ph.D. D. M. BROWN Ph.D. G. M. BUKNETT Ph.D. D.Sc. 1. G. M. CAMPBELL B.Sc. Ph.D. N. CAMPBELL D.Sc. Ph.D. N.B. CHAPMAN M.A. Ph.D.,F.R.T.C. J. CHATT M.A. Sc.D. F.R.T.C. D. D. E L ~ Y Sc.D. Ph.D. D. H. EVERETT M.B.E. M.A. D.Phi1. R. 14. HALL Ph.D. A.R.C.S.,F.R.T.C. T. G. HALSALL Ph.D. M.A.,A.R.I.C. D. H. HEY D.Sc. F.R.I.C. F.R.S. D. J . G. IVES D.Sc. A.R.C.S.,F.R.I.C. A. W. JOHW)Y Sc.D. Ph.D. C. KEMBALL M.A. Ph.D. F.R.I.C.F.R.I.C. A.R.C.S. J. A. KITCHEYFK D.Sc. Ph.D. G. KOHNSTAM Ph.D. H. C. LOYC;ULT-HIGC;INS M.A. D.Phil. F.R.S. R. LYTHGOIC M . A . Ph.D. F.R.T.C. F.R.S. H. T. OPENSHAW M.A. D.Phil. M. W. PFRRIN C.B.F. M.A. F.R.I.C. R. A. RAPHAEL Ph.D. D.Sc. P. L. ROBINSON D.Sc. F.R.I.C. K. SCHOFIELD Ph.D. D.Sc. F.R.I.C. A. G. SHAHPC M.A. Ph.D. F.R.I.C. J. C. SPEAKMAN M.Sc. Ph.D. D.Sc. K. W. SYKES M.A. D.Phi1. SIR ALEXANDER T ~ D D M.A. D.Sc. H. C. L. W F I - I ~ Y D.Sc. A.R.C.S. I). H. \VHIFFL.Y M.A.. 5.Phil. M. C. WHITING M.A. Ph.D.,A.R.C.S. G. Wrl KINSOY Ph.D. A.R.C.S. A.R.C.S. F.R.I.C. F.R.S. F.R.I.C. Editor R. S. CAHN M.A. D.Phil.Nat. F.R.T.C. Deputy Editor L. C. CROSS Ph.D. A.R.C.S. F.R.I.C. Assistant Editor A. D. MITCHELL D.Sc. F.R.I.C. L O N D O N T H E C H E M I C A L S O C T E T Y CONTENTS PAGE LAMELLAR COMPOUNDS OF GRAPHITE.By R. C. Croft . . . 1 SHOCK WAVES. By H. 0. Pritchard . . . 46 -LOUR CENTRES IN ALKALI HALIDE CRYSTALS. By M. C. R Symons and W. T. Doyle . . . . . . . . 62 ALKALOIDS OF CALABASH-CURARE AND STRYCHNOS SPECIES. By A. R. APPLICATION OF ELECTRON DIFFRACTION TO THE STUDY OF THE CHEMICAL ARRHENIUS FACTORS (FREQUENCY FACTORS) IN UNIMOLEC ULAR REAC- PRIMARY PROCESSES IN PHOTO-OXIDATION. By R. M. Hochstrasser and Battersby and H. F. Hodson . . . . . . 77 BOND IN CRYSTALS. By B. K. Vainshtein . . . . 105 TIONS. By B. G. Gowenlock . 133 G. B. Porter . . . . 146 PHYSICOCHEMICAL ASPECTS OF SOME RECENT WORK ON PHOTOSYNTHESIS. By R. Livingston . 174 THE BORAZOLES. By J. C. Sheldon and B. C. Smith . . 200 Eastham . . . 221 BENZILIC ACID AND RELATED REARRANGEMENTS.By S. Selman and J. F. TRANSPORT PROPERTIES OF LIQUIDS IN RELATION TO THEIR STRUCTURE. By E. McLaughlin . . 236 CHEMISORPTION OF GASES ON METALS. Tompkins . . . . 257 TETRONIC ACIDS. By L. J. Haynes and J. R. Plinimer . 292 Cross . . 317 By P. M. Gundry and F. C. THE CHEMISTRY OF NATURALLY-OCCURRING 1,2-EPOXIDES. By A. D. THE INTERACTION OF FREE RADICALS WITH SATURATED ALIPHATIC COM- THE PINACOL REARRANGEMENT. By C. J. Collins . * 357 INFRARED SPECTRA OF ADSORBED GASES. By V. A. Crawford . 378 THERMODYNAMICS OF ION ASSOCIATION IN AQUEOUS SOLUTION. By G. H. Nancollas . . 402 POUNDS. By J. M. Tedder . . . 336 ELECTRON RESONANCE IN CRYSTALLINE TRANSITION-METAL COMPOUNDS. By A. Carrington and H. C. Longuet-Higgins . 427 ERRATA . . 454 CUMULATIVE INDEXES . . 455