Nature, "1 

 February 2, 1924J 



Title Index 



X 



li 



Group, .W. T. Lee, 177 ; -shale from the Rocky 

 Mountains, D. E. Winchester, 218 ; -wells. Petro- 

 graphy of Drill-cuttings from, J. Gilluly and K. C. 

 Heald, 67 



Oligocene Toothed Cetacean, New, from South Carolina, 

 R. Kellogg, 806 



Omicron Ceti, Companion to. Prof. R. G. Aitken, 842 



Onnes, Kamerlingh, and his Laboratory, 274 



Opalinid Ciliate Infusorians, The, Dr. M. M. Metcalf, 455 



Optical : Isomerides, A Curious Case of Separation of, by 

 Distillation and by Crystallisation, G. Dupont and 

 L. Desalbres, 119 ; Phenomena, The Rotation of the 

 Earth and its Influence on. Prof. H. A. Lorentz, 103 ; 

 Society of America, Annual Meeting of the, 737 ; 

 Spectra, The Origin of, R. H. Fowler, 655 



Orchids, Germination of the Seeds of, the Conditions 

 Favourable or Prejudicial to the, and to the Develop- 

 ment of the Seedlings, J. Wolff, 815 



Organic Compounds : A Method for the Identification of 

 Pure, by a Systematic Analytical Procedure based on 

 Physical Properties and Chemical Reactions. Vol. 4, 

 580 ; Formation of, from Inorganic by the Influence 

 of Light, Dr. O. Baudisch, 254 ; Identification of 

 Pure, W. A. Silvester; J. F. T., 791; Preparations, 

 580 ; Syntheses : an Annual Publication of Satis- 

 factory Methods for the Preparation of Organic 

 Chemicals, edited by J. B. Conant, H. T. Clarke, R. 

 Adams, and O. Kamm. Vol. 2, 580 



Organo-magnesium Compounds and Nitriles, the Reaction 

 between, P. Bruylants and J. Gevaert, 959 



Organometallic Compounds : New, Copper Phenyl, and 

 Silver Phenyl, R. Reich, 347 



Ormiscodes gregatus, E. L. Bouvier, 958 



Ortho : -cyclohexyl-cyclohexanol, P. Bedos, 851 ; -phenyl- 

 cyclo - hexanol and the Bromhydrin of 1-2, Cyclo- 

 hexane Diol, P. Bedos, 184 



Osmotic Effects, The Origin of. Prof. H. E. Armstrong, 

 119 



Ostafrikas : Die Bruchzonen, Tektonik, Vulkanismas, 

 Erdbeben und Schwereanomalien, Prof. E. Krenkel, 

 514 



Osirea gryphoides Schlotheim in Calcutta, Occurrence of, 

 J. C. Brown, 227 



Otterburn, The Explosion on and Sinking of the, W. J. U. 

 Woolcock, 874 



Overseas Resources, the Development of. The Imperial 

 Institute and, 677 



Oxford : and Cambridge Universities Bill read a third 

 time, 150 ; Botanic Garden, Tercentenary of the. 

 Speeches by Sir David Prain and others, 24 ; Uni- 

 versity, award of the Johnson memorial prize to G. 

 M. B. Dobson ; award of the Burdett-Coutts scholar- 

 ship in Geology to L. F. A. Edgell ; Prof. J. Joly to 

 deliver the Halley lecture in 1924, 673 



Oxygen : and Sulphur, Series Spectra in. Dr. J. J. Hop- 

 field, 437 ; Commercial Production of, T. C. Finlay- 

 son, 178 ; Dissolved, and Nitrogen in Water, A Rapid 

 Gasometric Method of Estimating, H. G. Becker and 

 W. E. Abbott, 119; Group, Spectral Series in the, 

 Profs. J. J. Hopfield and R. T. Birge, 790 



Ozone : in Flames, Formation of, Prof. Manchot, 807 ; 

 Thunderstorms and. Dr. W. C. Reynolds, 396 



^-iod-oxybenzoic Acids, The, P. Brenans and C. Prost, 747 

 Pacific Islands, Crustacea from, C. H. Edmondson, 404 

 Paddy Stem Borer in India, The Control of the, E. 



Ballard, 177 

 Painted Pebbles from the North-East Coast of Scotland, 



M. C. B., 506 

 Palasocene Mammaha in Belgium, Deposits of, L. Dollo 



and P. T. de Chardin, 74 

 Palaeohth, Early, in Norfolk, Discovery of an, J. Reid 



Moir, 177 

 Palaeolithic Succession of Stoke Newington, The, H. 



Warren, 118 

 Palaeohths in the Hampshire Basin, Distribution of, H. 



Bury, 746 

 Palaeontologists at Vienna, 741 

 Pateontology : at the American Museum of Natural 



History, 919 ; Evolutional, Dr. Gertrude Elles, 420 



Palceopitys Milleri (McNab) ; Fossil Plants from the Old 

 Red Sandstone of Scotland, Dr. R. Kidston and 

 Prof. W. H. Lang, 27 



Palaeozoic Flora, The Evolution of the, Dr. A. C. Seward, 



334 

 Palmyra Palm, Control of Disease in the, W. McRae, 843 

 Palndestrina jenkinsi. Reproduction in, G. C. Robson, 601 

 Pamir Earthquake, The, 191 1, R. D. Oldham, 876 

 Panama, Expedition to, P. C. Standley, 841 

 Pan-Pacific Science Congress : The Second, 290 ; Aus- 

 tralia, 1923, Prof. A. C. D. Rivett, 378 ; Second 



Triennial, 634 

 Papua, Rock Paintings in. Dr. W. M. Strong, 951 

 Parallaxes, Spectroscopic, W. B. Rimmer, 216 

 Paramagnetic Double Sulphates at Low Temperatures, 



. The Magnetic Properties of some, L. C. Jackson and 



Prof. H. K. Onnes, 778 

 Paramagnetism at Low Temperatures, I. and II., L. C. 



Jackson, 778 

 Paris : Academy of Sciences, Sir Charles Sherrington 



elected a corresponding member of the, 910 ; Uni- 

 versity, conferment of honorary degrees, 777 

 Particles : Theory of the Settling of Fine, M. Mason and 



C. E. Mendenhall, 227 ; Stratified Subsidence of Fine, 



C. E. Mendenhall and M. Masdn, 227 

 Pascal Commemoration on the Puy de Dome, The, Prof. 



H. Wildon Carr, 114 

 Pasteur : Centenary Celebrations, The, Prof. G. H. F. 



Nuttall, 22; "Day," The Collection on, 840; 



L'CEuvre de, et ses consequences, 290 

 Pasteurisation, The Problems of, 853 

 Patentees, Institute of (Incorporated), 517 

 Patents, Inventors and, 349 



Paterno medal, presentation of the, to Dr. F. W. Aston, 17 

 Pathology : Chnical, 158 ; Comparative, Dr. T. Smith, 



848 

 Pearls, Natural and Culture, Tests of. Dr. F. E. Wright, 293 

 Peat : the Biological Phenomena in. The Activity of, A. 



Demolon and P. Boischot, 304 ; The Production of 



Air-dried, Prof. H. Ryan, 389 

 Pectin in Cotton, P. H. Chfford and R. G. Fargher, 219 

 Pendulum, The Free, F. Hope-Jones, 247 

 Penrose, John : a Romance of the Land's End, J. C. 



Tregarthen, 536 

 Pensionable Teaching Service, 193 

 Periodicals of Medicine and the Allied Sciences in British 



Libraries, Prof. R. T. Leiper ; with the collaboration 



of H. M. Wilhams and G. Z. L. Le Bas, 756 

 Permian Osmundaceae, New Species of, M. D. Zalessky, 



922 

 Peromyscus, Heredity of Microscopic Hair Characters in, 



R. R. Huestis, 815 

 Perseids, The Coming of the, W. F. Denning, 19 

 Petalite-bearing Rock from Devonshire, A, W. F. P. j 



McLintock, 117 

 Petrol, The Preparation of, starting with Animal and 



Vegetable Oils, A. Mailhe, 347 

 Petroleum : and Natural Gas in America, 634 ; Indicator 



for, A Suggested, A. Farquharson, 952 ; Industry : 



The, H. B. Milner, 683 ; A Handbook of the, Dr. D. 



T. Day, editor-in-chief. 2 vols., 683 ; The Origin of : 



E. H. Cunningham-Craig and others, 627 ; G. W. 



Halse, 762 

 Petrological and Mineralogical Accessories, Catalogue of, 



J. Swift and Son, Ltd., 371 

 Pfeilgifte, Die : nach eigenen toxikologischen und ethno- 



logischen untersuchungen. Dr. L. Lewin, 501 

 Phanerogamia, Heterotrophic, Chemistry of, J. Einleger, 



J. Fischer, and J. Zellner, 675 

 Phase Rule, The, and the Study of Heterogeneous Equi- 

 libria : an Introductory Study, Prof. A. C. D. Rivett, 



236 

 Pheasants : A Monograph of the, W. Beebe. In 4 



volumes. Vol. 4, 574 ; Natural History of, 574 

 Phenological Observations in the British Isles, 1922, J. E. 



Clark and I. D. Margary, 74 

 Philippine Earthquakes, Rev. M. S. Maso, 914 

 Phonetic Theory, Some Questions of, Dr. W. Perrett. 



Chapter 6 : The Mechanism of the Cochlea, 201 

 Phosphate in Blood and Urine, The Relation between the, 



V. B. Wigglesworth and C. E. Woodrow, 885 



