Index 



V Nature 

 VAfril 24, 



Pottery, see Ceramic 



Poultry : the Beginner in Poultry, C. S. Valentine, 486 

 Prawn, Blind, of Galilee, Dr. N. Annandale, 251 

 Piecipitation of Salts by corresponding Acids, I. Masson, 



506 

 Pressure, Effect due to Sudden Great Increase of, W. G. 



Royal-Dawson, 1569 

 Prickly Pear in W. China, T. D. A. Cockerell, 464 

 Primeval Man : the Stone Age in W. Europe, Mrs. A. 



Kingston Quiggin, Rev. J. GritTith, 512, 572 

 Primulacea?, Phylogeny of. Dr. S. Thenen, 381 

 Printing, Physiology of, 651 

 Prize Awards : Nobel, 195, 311 ; Paris Acadcmv of Sciences, 



496 

 Prizes Offered : by Royal Academy of Sciences of Naples, 



20/. for Researches on Algae, 257 ; by Turin Academy, 



60/. ("1500 lire) for work ori Avogadro's Law, 257; by 



Rotterdam Society, 312; by Dorset Field Club for 



paper on Petroleum Oil, 390 ; by the Paris Academy of 



Sciences in 1914, 583; for Security of Aeroplanes, 664 

 Procrvptic Coloration a Protection against Lions, F. C. 



.Selous, R. I. Pocock, F.R.S., 593 

 Production and the Public Revenue, Dr. N. G. Pierson, 



A. A. Wotzel, N. B. Dearie, 431 

 Protection of Scenery, Antiquities, &c., Prof. Bock and 



others, 58 

 Protective Coloration in Animals, Prof. W. L. McAtee, 



138; A. H. Thnver, 196; F. C. Scions, R. \. Pocock, 



F.R.S., 593 

 Protein Metabolism, Physiology of, Dr. E. P. Cathcart, 66 

 Provence, les Alpes de, G. Tardieu, 329 

 Pseudovitellus, 197 

 Psycho-analysis, Dr. E. Jones, 69:; 

 Psychology : an Introduction to Psychology, Prof. W. 



Wundt, Dr. R. Pintner, 216; Analcs "de Psicologia, 



277 ; Purpose and Mechanism, Prof. Sorley, A. D. 



Lindsay, 278 ; Richtlinien des Entwicklungs- und 



Vererbungs-problems. Prof. A. Greil, A. E. Crawley, 



380 ; Significance of Ancient Religions, Dr. E. N. 



Reichardt, 407 ; the Fundamentals of Psychology, B. 



Dumville, 695 ; Questions of the Day, ' Dr. H.' L. 



Stewart, 695 

 Psychology. Animal : Evolution of Animal Intelligence, 



Prof. S. .1. Holmes, 160; Tlerpsychologisches Prakti- 



kum in Dialogform, Prof. K. C. Schneider, A. E. 



Crawley, 380 

 Psychotherapy, Dr. H. C. Miller, 4S4 

 Public School Science Masters" .Association ; Presidential 



Address by Sir A. Geikie, K.C.B., Pres.R.S., 5s.'; 

 Pulmonary Circulation, Duration of the, J. P. Langlois and 



G. Desbouis. 428 

 Pump, Mechanical, for High Vacua on a New Principle 



Dr. W. Gaede, 198 

 Pyienees. Rambles iji the, F. H. Jackson, 131 



Quagga and Zebra Group, 391 

 Quail, Californian, H. C. Bryant, 112 

 Quartz, Origin of Madagascar, A. Lacroix, 97 

 Quebrarhite in Grc-Mlea rnhiistd. K. Bourquelot and Mile. 

 A. Fichtenholz, 183 



Radiation : Ionising Radiation emitted by Polonium, B. 

 Bianu and L. Wertenstein, 30 : Radiation Records in 

 1911 at S. Kensington and Comparison with Kew, 

 R. Corless, 309 ; Total Energy radiated by Sym- 

 metrical Radiator, M. L(5meray," '4;s ; a Determination 

 of the Radiation Constant, H.B. Keene, 480 



Radiations Old and New. British Association Discourse 

 Prof. W. H. Brag.g, F.R.S., 529, 557 



Radio-activity : Electrical Charges carried by the a and /3 

 Rays, J. Danysz and W. Duane, 97: Similarity of 

 X-Rays and Primary 7 Rays, J. A. Gray. 400 ; Age 

 of the Earth from Sodium in Oceans, ' Dr. F. C. 

 Brown, 419 ; Influence of Radio-activitv on Plant 

 Development, J. Stoklasa, 428; Excitation of 7 Ravs 

 by a Rays, J. Chadwick and A. S. Russell, 463, 690: 

 Penetrating Power of 7 Ravs from Radium C. A. S. 

 Russell, 480 : Elements and Electrons, Sir W. Ramsay, 

 K.C.B., F.R.S., 567; Decomposition of Water bv 



a Rays, MM. Duane and .Scheuer, 691 ; Studies in 



Radio-activity, Prof. W. H. Bragg, F.R.S., 694 

 Radiological Institute of Heidelberg, 579 

 Radiology, International Congress for : Presidential 



Address, Prof. Stoklasa, 336 

 Radiometer, Improved Joule, F. W. Jordan, 375 

 Radium : die Radiumkrankheit tierischer Keimzellen, O. 



Hertwig, 67 ; Measurement for Sale Purposes, 259 ; 



Radium and Earth History, G. W. Bulman, 305 ; 



Radium in the Chromosphere, Dr. Dyson, 393 ; Radium 



as a means of obtaining High Potentials, H. G. J. 



Moseley, 481 ; Radium and Radio-activity, A. T. 



Cameron, 567 ; Occlusion of Products of Radium, M. 



Costanzo, 587 ; the Interpretation of Radium, F. 



Soddy, 671 ; Blue Salt ; Letter from Sir H. Davy, 682 

 Rain : Unprecedented Rainfall in East .\nglia on August 



26, Dr. H. R. Mill, 139, 376; British Rainfall in 1911- 



12, Dr. H. R. Mill, 192, 600; Mean -Annual Rainfall 



in Scotland, A. Watt. 289 ; Data of Heavy Rainfall 



over Short Periods in India, 392 

 Rainbow Cup, C. V. Boys, 579 

 Reflection of Rontgen Radiation, Prof. C. G. Barkia and 



G. H. Martyn, 435 ; H. Moseley, C. G. Darwin. 594 

 Refraction anl Dispersion of the Halogens, &'c., Cllve and 



Maude Cuthbertson, 612 

 Regeneration, Prof. D. Barfurth, 528 

 Reichsanstalt, Charlottenburg, E. S. Hodgson, 446 

 Reissner's Fibre and the Subcommissural Organ, Prof. 



G. E. Nlcholls, 230 

 Relativity Principle and Central Forces, M. L^meray, 376 ; 



Space-time Manifold of Relativity, Profs. Wilson and 



Lewis, 600 

 Religion : the Golden Bough, J. G. Frazer, A. E. Crawley, 



66 ; Significance of .Ancient Religions, Dr. E. N. 



Reich.'irdt, 407 

 Renfrewshire, Mineralogy of, R. S. Houston, Prof. G. A. J. 



Cole, 11^9 

 Reptiles ; Herpetologia Europa;a, Dr. E. Schreiber, 339 ; 



Reptilia and Batrachia of the Malay Peninsula, George 



A. Boulenger, 6ig 

 Research Defence Society, Sir D. Gill, K.C.B., F.R.S.. 



Prof. Sandwith and Dr. S. Paget, 594 

 Resistance of Spheres in Air in Motion, G. Eiffel, 561 ; 



Lord Ravleigh, 587 . Resistance of Electrolytes, 



S. W. J. .Smith and H. Moss, 637 

 Respiration of Plants, L. Maquenno and E. Dcmoussy, 



27.1. .324. 45.^. 7'7 

 Retinal Shadows? R. M. Deelcy, 594; C. W. Piper, 682 



Reviews .^nd Our Bookshelf. 



Agriculture : 



Agoc (.Mva), Crops and Methods for Soil Improvement, 



.189 

 Broun (A. F.), Sylviculture In the Tropics, 362 

 Call (Prof. L. E.) and E. G. Schafer, Laboratory Manual 



of Agriculture for Secondary Schools, 569 

 Development Commissioners' Report, 472 

 Eriksson (Prof. Jakob), .Anna Molandcr, Fungoid Diseases 



of Agricultural Plants, 131 

 Farrer (R.), the Rock Garden, Dr. F. Cavers, 433 

 Geerligs (H. C. P.), the World's Cane Sugar Industry, 



509 

 Gonner (Prof. E. C. K.), Common Land and Enclosure, 



A. E. Crawley, 301 

 Hawley (Prof. R. C.) and Prof. A. F. Hawes, Forestry 



in New England, 511 

 Jacob (Rev. Joseph). Tulips, Dr. F. Cavers, 433 

 Johnson (W. H.), Cocoa : its Cultivation and Prepara- 

 tion, 357 

 Jouenne (L.) ct J. H. Perrcau, la Peche an Bord de la 



Mer, 3i;8 

 Marshall (Prof. C. E.), Microbiologv for .Agricultural and 



Domrstic Science Students, Prof.R. T. Hewlett, i88 

 Rose (Laura), Farm Dairying, 131 

 Russell (Dr. Edward J.), Soil Conditions and Plant 



Growth, 21,:; 

 Sadler (Wilfrid), Bacteria as Friends and Foes of the 



Dairy Farmer, Prof. R. T. Hewlett, 188 



