Index 



t Nature, 

 October 7, 1920 



Osborne (Prof. W. A.), Marat and the Deflection of Light, 



456 

 O'Shea (Prof. L. T.), [death], 239 ; [obituary article], 272 

 Osier (the late Sir William), Proposed Memorial to, 50 

 Osterhout (Prof. W. J. V.), Respiration, 795 

 Oxley (Dr. A. E.), Atomic and Molecular Structure, 231 ; 

 Atomic and Molecular Forces and Crystal Structure, 

 327 ; Diamagnetism and the Structure of the Hydrogen 

 Molecule, 581 ; Diamagnetism of HydVogen, 709 ; Lang- 

 muir's Theory of Atoms, 105 ; The Magnetic Properties 

 of Forty Organic Compounds, 243 

 Ovler (Rev. D. S.), The Shilluks' Belief in Medicine Men, 

 527 



Pacific Steam Navigation Co., Gift to the Liverpool 



University Appeal Fund, 762 

 Page (L.), Gravitational Deflection of High-speed Particles, 



233 

 Palander (Admiral A. L.), [obituary], 754 

 Palmer (W. G.), The Catalytic Activity of Copper. Part i., 



633 



Parker (Prof. G. H.), The Phosphorescence of Renilla, 843 



Parker (W.' H.), appointed Director of the National Insti- 

 tute of Agricultural Botany, 335 



Parkinson (Dr. W. H.), and H. D. Bell, Insect Life on 

 Sewage Filters, 131 



Parsons (Prof. F. G.), and others. The Colour Index of 

 the British Isles, 531 



Parsons (S. J.), Malleable Cast Iron. Second edition, 290 



Partington (Prof. J. R.), The Standard of Atomic Weights, 

 264 



Partridge (W.), appointed Lecturer in Chemistry (Public 

 Health), at King's College, London, 698 



Pascoe (Dr. E. H.), Relations of the Indus, the Brahma- 

 putra, and the Ganges, 835 



Patchell (W. H.), Operating a By-product Producer-gas 

 Plant for Power and Heating, 148 



Paulson (R.), Stages in the Sporulation of Gonidia within 

 the Thallus of Evernia prunastri, Ach., 281 



Pauthenier (M.), Ratio of the Absolute Retardations in 

 Carbon Bisulphide for Increasing Durations of Charge, 

 699 ; Ratio of the Absolute Retardations in the Kerr 

 Phenomenon for Different Wave-lengths in the case of 

 Nitrobenzene, 634 



Payman (W.), Need of a Safety Lamp in Chemical Works, 

 116; The Propagation of Flame in Complex Gaseous 

 Mixtures, 279 



Peachey (S. J.), A Process for the Cold Vulcanisation of 

 Rubber, 625 



Peake (H.), The Finnic Question and Some Baltic 

 Problems, 723 



Pearl (Prof. R.), The Consumption of Foodstuffs in 

 .America from 1911— 1918, 597; and J. R. Miner, Milk 

 Production of Ayrshire Cattle, 245 



Pearson (E. S.), awarded the Sheepshank.5 Exhibition in 

 Astronomy in Cambridge University, 313 



Pearson (Prof. Karl), Presidtential Address to Section H 

 of the British Association, 827 ; The Permanent Value 

 of University Benefactions, 501; and Julia Bell, A 

 Study of the Long Bones of the English Skeleton. 

 Part i., The Femur; Part i., Section ii., The Femur 

 of Man, with Special Reference to other Primate 

 Femora, 767 



Pease (F. G.), Photograph of the Moon, 267 



Peirce (Prof. B. O.), Magnetic Characteristics of the Iron 

 Core of a Transformer or of an Induction Coil, 243 



Pendred (L.), Plant-life in Cheddar Caves, 709 



Percival (A. S.), Some Methods of Approximate Integra- 

 tion and' of Computing Areas, 70 



P^ringuey (L.), Stone Implements of Palaeolithic Type 

 Thrjiwing Light on the Manufacture in South Africa, 

 699 ; Strand-loopers, 558 ; The Whales Frequenting 

 South -African Waters, 1^07 



Perkin (Prof. W. H.), University Grants, 805 



Perot (A.), Comparison of the Wave-lengths of a line of 

 the Cyanogen Band in the Light of the Sun and that 

 of a Terrestrial Source, 794 



Perotti (R.), Measure of .Ammoniating Power of Soils, 844 ; 

 Nitrogen of the Cyanic Group in Manures, 844 



Perrett (Dr. W.), " AU-or-None " in the Auditory nerve, 

 390 ; Photographs of Seven Vocal Notes, 39 



Perry (Prof. J.), [obituary articles], 751, 752 



Perry (W. J.) .The Origin of Warlike States, 442 ; The 

 Search for Amber in Antiquity, 274 ; The Search for 

 Gold and Pearls in Neolithic Times, 250 



Perrycoste (Honor M. M.), The First Act of a Young 

 Thrush, 456 



Petavel (Sir J. E.), elected a Member of the .Athenaeum 

 Club, 209 



Petch (T.), Revisions of Ceylon Fungi, Part vi., 20 



Petersen (Prof. C. G. J.), Our Gobies (Gobiidae) from the 

 Egg to the Adult Stages, 527 



Petrie (Prof. Flinders), A Remarkable Ebony Statue from 

 Egypt, 463 ; and Dr. Dennison, Personal Ornaments 

 Found in Upper Egypt, 210 



Peyrouel (B.), A Parasite of the Lupin, Blepharospora 

 terrestris, 844 



Pfeffer (Prof. W.), [obituary article], 302 



Philby (H. St. John B.), awarded the Founder's Medal of 

 the Royal Geographical Society, 112 



Philip (A.), Reform of the Calendar, 22 



Philip (J. B.), Experiments with Plants. A First School- 

 book of Science, 805 



Philip (Sir Robert W.), Degree of LL.D. Conferred upon, 

 bv Glasgow University, 568 



Phillips (Rev. T. E. R.), The Planet Jupiter, 500 



Phillips (W. J.), Insect Pests in the United States Affecting 

 Grain Crops, Cultivated Grasses, and Wild Grasses, 

 662 



Pictet (A.), and P. Castan, Glucosane, 795 



Piedallu (A.), P. Malvezin, and L. Grandchamp, The Treat- 

 ment of the Blue casse of Wines, 442 



Pierantoni (Prof.), Physiological Symbiosis, 756 



Piettre (M.), and A. Vila, The Separation of the Proteins 

 of the Serum, 571 



Pilgrim (Dr. G. E.), A Great Pliocene River Running on 

 the South Side of the Himalayas, 836 



Pilon (H.), authorised translation. The Coolidge Tube. 

 Its Scientific Applications. Medical and Industrial,. 



739 

 Pilsbry (Dr. H. A.), Review of the Land Mollusks of the 



Belgian Congo, 433 

 Pitman (P.), Pelton-wheel Construction, 625 

 Pitt (Miss F.), The Colour apd Markings of Pedigree 



Hereford Cattle, 211 

 Piutti (A.), Action of Chloropicrin on the Parasites of 



Wheat and on Rats, 283 

 Pixell-Goodrich (Mrs.), Cause of the Death of Honey-bees, 



S3 

 Pleasance (R. E.), appointed Demonstrator in Pathology m 



Sheffield University, 601 

 Pocock (R. I.), External Characters of the South American 



Monkeys, 218 

 Poincar6 (L.), [death], 50 ; [obituary], 208 

 Pollard (S.), awarded a Smith's Prize by Cambridge 



University, 88 

 Poole (H. H.), The FitzGerald-Lorentz Contraction Theory, 



200 

 Pope (S. T.), The Medical History of Ishi, 755 

 Pope (Sir W. J.), elected an Associate of the .\cad6mie 



Royale de Belgique, 463 ; nominated President of the 



Society of Chemical Industry, 432 ; elected President 



of the Society of Chemical Industry, 654 

 Porcher (C), Milk and .Apthous Fever, 699 ; Want of Food 



and the Chemical Composition of Milk, 571 

 Porritt (B. D.), appointed Director of Research by the 



Research .Association of British Rubber and . Tyre 



Manufacturers, 179 

 Portier (P.), The Rabbit deprived of its Caecal Appendix 



Regenerates this Organ, 347 

 Posternak (S.), The Variations of the Composition of 



Ammonium Phosphomolybdate, 347 

 Pott (J. A.), [obituary], 334 

 Potts (F. A.), appointed University Lecturer in Zoology in 



Cambridge University, =^37 

 Powell (B.), Methods for the Verification of Screw 



Gauges, 184 

 Prain (Sir David), elected a Foreign Associate of the U.S. 



National .Academy of Sciences, 463 



