Nature 

 April 



turt, 1 



Index 



XXVll 



Phytochemical Exercises, Dr. D. H. Wester, 387 



Picture Restoring, I. J. Williams, 571 



Piers, Sub-aqueous Foundations for, C. E. Fowler, 86 



Pig-sticking, Major A. E. Wardrop, 416 



Pigments and Mediums of Old Masters, Prof. A. P. Laurie, 

 Prof. W. M. Gardner, 276 ; Pigments of Fruits, 

 W. R. G. Atkins, 384 



Pigmy, see Pygmy. 



Piltdown : Mastodon Molar Tooth, 5 ; Bone Tool, C. 

 Dawson and Dr. .\. S. Woodward, 440 



Pine, Pitch-moth, 39-40 



Pirotechnia, V. Biringuccio, 113 



Pitchstones of Mull, E. Anderson, 690 



Pitprops, 5, 65, 120, 393 



Pituitary Body, Dr. W. Stendell, Dr. Oppel, 252 



Pitwood, Supply, 393 



Plague and Pestilence in Literature and Art, Dr. R. Craw- 

 ford, E. H. Martin, 480 ; Plague and Insects, 706 



Plankton : Artificial Culture of Marine Plankton Diatoms, 

 Dr. E. J. .Allen, 273 ; Plankton, 429 



Plants : Formation of Hydrogen Cyanide, Prof. A. Jorissen, 

 7 ; Plant Life at the Snow Line, in the Alps, J. Braun, 

 39 ; Medicinal Plants in England, W. A. Whatmough, 

 175 ; Plants and their Uses, F. S. Sargent, 279 ; Classi- 

 fication and Phylogeny, Prof. v. Wettstein, 360 ; 

 Bacterial Diseases, Dr. E. F. Smith, 404 ; Transpiration 

 and .Ascent of Sap, Dr. H. H. Dixon, 558 



Plates, Mode of Measuring Thickness of Thin, C. T. R. 

 Wilson, 719 



Poincare on Method, Translations of, F. Maitland ; G. B. 

 Halsted ; F. and L. Lindemann, 501 ; Dr. K. Lichte- 

 necker, 501 



Poisoned Arrows of -Abors and Mishmis, Sir T. Eraser, 608 



Polarimetry, 544 ; Polarimeter Tubes, Cement for. Dr. T. S. 

 Patterson, 700 



Polychaeta from N. E. Pacific, F. A. Potts, 412 



Pond Problems, E. E. Unwin, 305 



Potassium Salts and Agriculture, 287 



Potatoes, Spraying, Sp. Pickering, 672 



Potential Energy of a Bobbin, A. Blondel, 441 



Poultry: Our Domestic Birds, J. H. Robinson, 11 1 



Power, Fuels for, J. S. S. Brame, 195 



Prehistoric Society of East .Anglia, 572 



Preservation of Food for Armies, M. Balland, 357 



Prices of Chemicals, 670, 700 



Principia, E. Swedenborg, J. R. Rendell and L Tanslev, 

 696 



Prizes : Offered by Iron and Steel Institute, 260 ; Reuben 

 Harvey Memorial for Animal Physiology or Pathology, 

 397; Prize .Awards, Paris Academy, 518 



Protozoa and Soil Bacteria, T. Goodey, 635 



Psychology : Life and Human Nature, Sir B. Fuller, 168 ; 

 Outlines of the History- of Psychology, Prof. M. 

 Dessoir, D. Fisher, 696 



Psychology. .Animal, Introduction to. Dr. G. Kafka, 168 



Psylliidje, .American, D. L. Crawford, 39 



Public Health, Prof. Hewlett, 276 



Pumping by Compressed .Air, E. M. Ivens, 587 



Pygmies, N'ew Guinea, Prof. O. Schlaginhaufen, 36; 

 Pygmy Implements from West .Australia, J. P. Johnson, 

 120 ; Pygmy Stone Implements, C. Hartley, 705 



Pyroxenes, Monoclinic, Optical Properties of, H. Colling- 

 ridge, 329 



Quacken,', 365 



Quain's Elements of .Anatomy. J. Symington, 390 

 Quaternary Ice .Age, W. B. Wright, Dr. J. Home, 451 

 Queensland, British .Association in, 204 



Rabbits and Mendelism. C. Dobell. 588 



Radiation Problem. Prof. Barkla, 671 



Radiator, Electrically-heated Full, H. B. Keene. 608 



Radio-activit>- : .Acquired Radio-activitv-, Sir Wm. Crookes. 



300 : Tracing Paths of o Particles, S. Kinoshita and 



H. Ikeuti, 371 

 Radiography, Gelatino-bromide Paper for, C. \'aillant. 163 

 Radiology, Flexible Non-inflammable Gelatine Film for, L. 



Landouzy, 5S0 

 Radiomicrometers. Sensitiveness of. W. W. Coblentz, 516 



Radio-telegraphy, see Wireless 



Radium Emanation, action on Detonating Gas, O. Scheuer, 

 27 



Rail Steel, Finishing Temperatures, 436 



Railway Signals, Audible, etc., 489 



Rain : British Rainfall, R. C. Mossman and C. Saltar, 33 ; 

 Rainfall and Yield, D. H. Thomson, 65 ; California, 

 Prof. A. G. McAdie, 184 ; Norway, 184 ; Nile Basin, 

 J. I. Craig, 184; Accumulated Rainfall at Excessive 

 Rates, Prof. A. McAdie, 226; Distribution in N.E. 

 United States, B. C. Wallis, 345 ; Rainfall in the 

 Philippines, Rev, M. S. Mazo, S.J., 348; Rainfall Maps 

 of British Isles, Isomeric, Dr. H. R. Mill and C. 

 Salter, 356 ; Influence of Weather on Amount of Nitric 

 Acid in Rain, V. G. Anderson, 718 



Raised Beach in Jersey, A. Dunlop, 383 



Ratio, Colon a Symbol for. Prof. F. Cajori, 477 



Red Flash, C. T. Whitmell, 61 



Refractive Index by the Petrographic Microscope, F .E. 

 Wright, 150 



Refrigeration Research Committee, 238 



Regeneration of Legs of Decapods, J. H. Paul, 608 



Relativity : Fizeau's Exjeriment and the Principle of Re- 

 lativity, E. Cunningham, 197, 226, 281 ; Sir J. Larmor, 

 281 ; Theor>- of Relativity, Dr. L. Silberstein, 387 ; 

 Sketch of a Generalised Theory, Prof. Einstein, 401 



Religion : Science and Religion, by Seven Men of Science, 

 532 ; Concept of Sin, Dr. Tennant, 696 ; God and the 

 Universe, Prof, de Tunzelmann, 696 ; Principia, E. 

 Swedenborg, J. R. Rendell and I. Tansley, 696 



Renunciation of Honorary Degrees, Dr. J. P. Lotsy, 88, 94 



Reptiles, Osteology of Permian, S. W. Williston, 36 



Research Defence' Societ)', 148; Penalty on Research, Sir 

 Wm. Ramsay, 642 ; Prof. S. J. Hickson, 670 ; Hon. 

 H. Onslow, A. T* W^atson, 699 



Resins of Hops, O. Winge, 431 



Resistance of Road Vehicles to Traction, Prof. Civita, 150 



Resistivities, H. L. Curtis, 345 



Respiratory Function of the Blood, J. Barcroft. ^-;i; Re- 

 spiration in Insects, G. L. Purser, 441 



Reviews .\nd Our Bookshelf. 



Agriculture and Fisheries : 



Bailey (L. H.), Standard Cyclopedia of Horticulture, 279 

 Bean' (W. J.), Trees and Shrubs Hardy in the British 



Isles, W'. Dallimore, 529 

 Board of .Agriculture and Fisheries : Annual Report on 



Sea Fisheries, 19 13, 67 

 Chevnev (E. G.) end Prof. J. P. Wentling, the Farm 



Woodlot : a Handbook of Forestry for the Farmer and 



Student, 88 

 Dutt (H. L.), S. K. Busu, Crop Pest Handbook for Behar 



and Orissa, 446 

 French (A.), the Beginner's Garden Book : Text-book for 



the Upper Grammar Grades, 362 

 Hall (.A. D.), a Pilgrimage of British Farming, 1910-12, 



Dr. E. J. Russell, i 

 Hunt (Prof. T. F.) and Prof. C. W. Burkett, Soils and 



Crops, Dr. E. C. Russell, i 

 Orwin (C. S.), Farm Accounts, 505 



Parkinson (S. T.) and G. Smith, Impurities of Agri- 

 cultural Seed, 171 

 Russell (E. S.), Report on Market Measurements : 



English Haddock Fishery, 67 

 Slingerland (late M. V.) and C. R. Crosby, Manual of 



Fruit Insects. 446 

 Stebbing (E. P.). Indian Forest Insects of Economic 



Importance : Coleoptera, 446 

 W^heeler (Prof. H. J.), Manures and Fertilisers, Dr. E. J. 



Russell, 1 

 W'illis (Dr. J. C), .Agriculture in the Tropics, 334 

 Anthropology : 

 Balch (H. E.). W'ookey Hole: Its Caves and Cave 



Dwellers, Prof. A. Keith. 395 

 Bates (Oric), the Eastern Libyans, 224 

 British School at .Athens. Annual. 410 



Gallowav (Dr. J."). Historical Sketches of Old Charing, 87 

 Geikie (Prof, j.), .Antiquin- of Man in Europe : Munro 



Lectures, 1913, 174 



