., Nat: 
XXX L, UHACX Maree ae ee 
ee er Oe ee a ow 
Petroleum: Institution of Petroleum Technologists, 561; | Conductivity of Fluids of the Organism, A. Jayal, 7303 
Waning Supply of Petroleum, 566 
Petrology of the Igneous Rocks, Dr. F. H. Hatch, 659 
Pharmacological Action of Tetra-alkyl Ammonium Com- 
pounds, Prof. C. R. Marshall, 442, 520 
Pharmacy, International Congress of, 174, 304 
Philippine Myths, H. O. Beyer, 15; Colour Photographs of 
Philippine Races, Dean Worcester, 509 
Philosophy: the Game of Mind, Percy M. Campbell, 2; 
Mind and Health, Dr. E. E. Weaver, 2; Development 
and Purpose, Prof. L. T. Hobhouse, 2; Essais de 
Synthése Scientifique, E. Rignano, 263; Contre la 
Métaphysique, F. Le Dantec, 263; Modern Science and 
Prof. Bergson, H. S. R. Elliot, 263; Wissenschaft 
und Wirklichkeit, Max Frischeisen-K6hler, 263; the 
Young Nietzsche, 263; Philosophy of Vitalism, Prof. 
E. W. MacBride, F.R.S., 290, 400; Prof, Hans 
Driesch, 400 
Phosphate Beds of Safaga, Dr. J. Ball, 641 
Phosphorescence of Mercury Vapour, F. S. Phillips, gor 
Photochemical Reactions, Non-influence of Oxygen, M. 
Boll and V. Henri, 573 
Photo-electric Effect : Selective Action of Metals, G. Reboul, 
ion 
Photography: Exhibition of Royal Photographical Society, 
18; Grand Canyon, A. L. Coburn, 174; Light Energy 
required to produce the Latent Image, P. G. Nutting, 
293; “Wellcome” Photographic Exposure Record and 
Diary, 1914, 449; British Journal Photographic 
Almanac, 1914, 500; Wratten and Wainwright Plates, 
723 
Photometry, Electrical, Prof. H. Bohle, M. Solomon, 126 
Phreatoicus, Geographical Distribution of, Dr. C. Chilton, 
8 
Phiomiia, Dr. A. D. Imms, 704 
Physical Optics: Radiation of Electrons, Prof. R. W. 
Wood, 339 
Physical Society: Exhibition, 460; Officers, 720 
Physical Training, Lieut. G. Hébert, Dr. Mina L. Dobbie, 
27 
Physics: Continuity, Sir O. Lodge, F-.R.S., 33, 606; 
Scientific Papers, Lord Rayleigh, O.M., F.R S., 12275 
Researches of the National Physical Laboratory, 239; 
Presentation of Bust of Lord Kelvin at Edinburgh, 
303; Physics at the British Association, 304; les Idées 
Modernes sur la Constitution de la Matiére, E. Bauer, 
A. Blanc, E. Bloch, Mme. P. Curie, A. Debierne, and 
others, F. Soddy, F.R.S., 339; Conseil International 
Solvay, 347; die Existenz der Molkule Prof. The 
Svedberg, 367; Physics: an Elementary Text-book, 
Dr. C. G. Knott, 398; Recent Physical Research, D. 
Owen, 422; Mechanics and Heat: an Elementary 
Applied Course, J. Duncan, 473; Experimental 
Science, S. E. Brown, 473; Practical Physics for 
Secondary Schools, N. H. Black and Dr. H. N. Davis, 
473; Text-book of Physics, A. W. Duff, 473 ; Systematic 
Course of Practical Science for Schools, A. W. Mason, 
473; Paul Drude’s Physik des Aethers, Dr. W. Kénig, 
473; “Semi-absolute,” “Enquirer,” 530; Energy of 
Atoms at Absolute Zero, 539; die Physik der bewegten 
Materie und die Relativitatstheorie, Dr. Max B. 
Weinstein, 577; Aristotle’s Physics, Capt. J. H. Hard- 
castle; Sir G. Greenhill, F.R.S., 584; Sir Wm. 
Ramsay, K.C.B., F.R.S.; Sir O. Lodge, F.R.S., 606; 
Matter and.Some of its Dimensions, W. K. Carr, 605 ; 
a_ Text-book of Physics, Dr. R. S. Willows, 682; 
Medizinische Physik, Prof. O. Fischer, 682; Inter- 
national Committee Symbols, 697; see British Associa- 
tion, also Atoms, Radiation, and other individual 
headings 
Physiology: Physiological Factors of Consciousness, G. 
Archdall Reid, 6; International Physiological Congress, 
Dr. C. Lovatt Evans, 61; New Function of Vascular 
Walls, MM. Lépine and Boulud, 285; Effects of High- 
frequency Currents, T. T. Baker, 509; Irritability, 
Prof. Max Verworn, 577; Influence of Thermal En- 
vironment on Circulation and Body-heat, E. R. Lyth, 
577; Effects of Stimulants, Prof. H. E. Armstrong, 
670; Monte Rosa Expedition of 1911, 677; Proportion 
of Lipoids in the Tissues, A. Mayer, 579; Electrical 
see British Association = ere 
Physiology, Animal: the Arthropod Lye, Dr. Trojan, 54; 
Laws of Absorption of Carbon Monoxide by the Blood, 
M. Nicloux, 679; Colour Vision among Crustacea, 726 
Physiology, Veterinary, Major-Gen. F. Smith, C.B., 
C.M.G., 420 - : 
Pi, French Verses for 7, 458 F, 
Pianoforte Touch, Prof. G. H. Bryan, F.R.S., 292, 4253 
Prof. S. Pickering, F.R.S., 425 
Pictures, Scientific Methods of Identifying, Prof. A. P. 
Laurie, 558 
Pilchards in the Eastern English Channel, H. Swithinbank 
and G. E. Bullen, 452; Pilchards’ Food, H. Swithin- 
bank and G. E. Bullen, 695 
Piltdown Skull, 110; Prof. G. Elliot Smith, F:RS3 
131, 267, 318, 468, 545, 729; Prof. A. Keith, F.R.S., 
197, 292, 345; A. G. Thacker, 299; (Mandible), Prof. 
David Waterston, 319; A. S. Underwood, 407; C. 
Dawson and Dr. A. S. Woodward, 545 ‘ 
Pipes from Red River (illustration), 19 
Planck’s Constant, the Magneton and, Dr. H. S. Allen, | 
630; S. D. Chalmers, 687 
Planets: Elements and Numbers of Minor Planets, Dr. 
Cohn, 276; the Ways of the Planets, M. E. Martin, 
W. E. Rolston, 420 ’ 
Plankton: Phytoplankton of Danish Seas, Dr. Ostenfeld, 
16; Plankton Distribution, C. O. Esterly, 241; New 
Quantitative Tow-net, Dr. E. J. Allen, 335 
Plant Diseases, Congress at Rome, 613; see Disease 
Plant Ecology, Dr. E. Riibel, 615 
Plant-Geography of Bernina District, Dr. E. Riibel, 162 
Plant Products, Introduction to Chemistry of, Dr. P. Haas 
and T. G. Hill, 524 
Plant Protection, Dr. A. B. Rendle, F.R.S., 130 ‘ 
Plants: Pflanzenreich, A. Engler, R. Knuth, K. Krause, 
162; Plant Life, Prof. J. B. Farmer, 397; Hydrocyaniec — 
Acid in Plants, Dr. J. M. Petrie, 469; Oxydases and 
their Inhibitors in Plant Tissues, W. R. G. Atkins, 
495; Conversion of Red Pigment to a Yellow, R. 
Combes, 522 ; Spread of Morbid Changes from Branches 
killed by Heat, Prof. H. H. Dixon, 599; Sap, Prof. 
Dixon, 704 
Plants, Aquatic: Biology of Elodea, Dr. W. H. Brown, 54 
Plates, Strength of Stayed Flat, C. E. Stromeyer, 670 
Plumage Bill, Sir H. H. Johnston, G.C.M.G., FAR Ss, 
428, 501; Dr. H. O. Forbes, 476; L. Joseph, sor; 
“O. L.,” 685; Artificial Flies, Sir H. Maxwell, 562 ; 
United States Bill, 48, 105, 639; French Importation, 
617 
Poet of Nature, New, 166 
Poisoning: Industrial Poisoning from Fumes, Gases, and 
Poisons, Dr. J. Rambousek, 628; Anaphylaxis, Prof. 
Ch. Richet, J. M. Bligh, 678, iv 
Polar: le Monde Polaire, O. Nordenskjéld, G. Parmentier . 
and M.. Zimmermann, 164; see Antarctic and Arctic 
Polarisation and Energy Losses in Dielectrics, Dr. A. W. 
Ashton, 390; Polarisation of Sky Light, A. Boutaric, 
485 ; Polarisation Capacity of an Electrode, P. Vaillant, 
Polished Metals, Transparence of Surface Film, Dr. G. T. 
Beilby, F.R.S., 691 
Pollination of Kaffir Bread Tree, R. Marloth, 259 
Polychaeta, R. Southern, 624 
Polzen Rocks, K. H. Scheumann, 196 
Pompeii, Discovery of Buried Harbour, 83 
Popular Science, Harmsworth’s, 230 
Porcelain, Fritted or Soft, A. Granger, 381 
Port Authorities, A. G. Lyster, 328 
Positive Electricity, Ravs of, and their Application to 
Chemical Analysis, Sir J. J. Thomson, O.M., F.R.S., 
Boeck, Kelp and other Sources of, F. K. Cameron, 510 
Potato: Fungus Diseases in Australia, D. McAlpine, 27; 
573; Disease*produced by Phytophthora erythroseptica, 
Dr. G. H. Pethybridge, 598 
Poultry and Egg Trade, British, E. Brown, 538 
Prehistoric Society of East Anglia, 201 
Pressure: Pressure in Detonation of Explosives, Prof. B. 
Hopkinson, 416; Pressure of Radiation, Prof. H. L. 
