xl 



Index 



Nature, 

 ,At(£ust 12, 1922 



Pewsey, Vale of, Drainage of the, W. D. Varney, 23 



Pharmacology, A Manual of, Prof. W. E. Dixon. Fifth 

 edition, 372 



Pkaseolus vulgaris, The Vascular Anatomy of Normal 

 and Variant Seedlings of, J. A. Harris and E. W. 

 Sinnott, 159 



Ph.D., The Enghsh, Prof. E. W. Scripture, 780 



Phenol, The Ultra-violet Absorption of, in Different 

 Solvents, F. W. Klingstedt, 535 



Phenological Observations, L. C. W. Bonacina, 373 



Philadelphia Commercial Museum, Educational Work of 

 the, C. R. Toothaker, 53 



Philosophy : and the New Physics : An Essay on the 

 Relativity Theory and the Theory of Quanta, Prof. 

 L. Rougier. Translated by Prof. M. Masius, 339 ; 

 Congress of, in Paris, 90 



Phosphates of Morocco, The Age of the, L. Gentil, 94 



Phosphorus, A Study of the Glow of. Lord Rayleigh, 93 



Photo-engraving Primer : Concise Instructions for Ap- 

 prentice Engravers or for those seeking Simple yet 

 Practical Knowledge of Line and Half-tone Engrav- 

 ing, S. H. Hoogan, 547 



Photographic : Emulsions, A Property of, and the Registra- 

 tion of Stars during Total Eclipses of the Sun in View 

 of the Verification of the Einstein Effect, M. Hamy, 

 534 ; The Silver Bromide Grain of, A. P. H. Trivelli 

 and S. E. Sheppard, 304 ; Plate, The, 794 ; The Grain 

 of the. Prof. T. Svedberg, 221 ; Plates, Increasing 

 the Sensitiveness of, M. Clerc, 726 ; Studies of Heights 

 of Aurora, Prof. C. Stormer, Dr. C. Chree, 47 



Photographs, Telegraphic Transmission of, E. Belin, 686 



Photography, The Right Way in, 385 



Photosynthesis : Prof. E. C. C. Baly, 344 ; in Plants, 

 Dr. E. J. Russell, 153 



Physaloptera, Nematodes of the Genus, with special 

 reference to those Parasitic in Reptiles, Vera Irwin- 

 Smith, 95 ; Part 2, Vera Irwin-Smith, 832 



Physical : Apparatus, A Notable Exhibition of, 56 ; 

 Society of London, Election of Officers and Council 

 of the, 217 



Physico-Chemical Problems relating to the Soil : A 

 General Discussion held by the Faraday Society, 808 



Physics : An Outline of, L. Southerns, 641 ; for Students, 

 641 ; for Technical Students, An Introduction to, 

 P. J. Haler and A. H. Stuart, 641 ; General, and its 

 Application to Industry and Everyday Life, Prof. 



E. S. Ferry, 641 ; Institute of. Election of Officers 

 and Board of the. Sir J. J. Thomson President, 723 ; 

 Report of the, 655 ; Laboratory Projects in, A Manual 

 of Practical Experiments for Beginners, F. F. Good, 

 641 ; Radiology and. Dr. G. W. C. Kaye, 414 ; The 

 New, Dr. A. C. Crehore, 39 ; The Teaching of, 433 



Physikalisch-technische Reichsanstalt, Prof. W. Nernst, 



director of the, 487 

 Physikalische Rundblicke. Gesammelte Reden und 



Aufsatze, Prof. M. Planck, 739 

 Physiological Phenomenon, A Curious, R. M. Deeley, 44 ; 



J. H. Shaxby, 77 

 Physiology : Sir E. Sharpey Schafer, 122 ; at the British 



Association, 122 ; Experimental, Sir E. Sharpey 



Schafer. Third edition, 710 ; Modern Tendencies 



in, 704 ; Practical, A Course of, for Agricultural 



Students, J. Hammond and R. T. Hainan, 443 

 Physique elementaire et theories modernes, J. Villey. 



Premiere Partie, Molecules et Atomes, 739 

 Physique, La, theorique nouvelle. Dr. J. Pacotte, 739 

 Phytophthora parasitic on Apples, A, H. A. Lafferty and 



G. H. Pethybridge, 831 

 Pianos, The Tuning of. Dr. P. D. Strachan ; Dr. R. S. 



Clay, 591 

 Pickett-Thomson Research Laboratory, Gift for the 



Estabhshment of the, F. N. Pickett, 789 

 Pictish Stone Circles, Rev. J. Griffith, 265 

 Pigmentary Effector System, The, L. T. Hogben and 



F. R. Winton, 499 



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



Laurie, 421 

 Pigs, Feeding and Metabolic Experiments with. Dr. 



W. E. Elhot and A. Crichton, 26 

 Pilobolus, The Shooting of the Spore-case of. Prof. A. H. R. 



BuUer, 155 



Pilot Lamps in Laboratories, H. J. Denham, 683 

 Piltdown Skull, The, Prof. Elliot Smith and Prof. Hunter, 



726 

 Finite, A Variety of, occurring at Ballycorus, Co. Dublin, 



L. B. Smyth, 398 

 Pisum sativum, Abnormal Heredity of the Colour of the 



Embryos of a Variety of Pea, L. Blaringhem, 567 

 Pitcairn Islanders, Anthropological Data relating to the. 



Dr. D. Colquhoun, 150 

 Pitchblende at Kingswood Mine, Buckfastleigh, A Dis- 

 covery of, A. Russell, 126 

 Pitot Tubes, Very Small, for measuring Wind Velocity, 

 The Use of, M. Barker, 698 



Planetary : Distances, Ratios of, F. A. Black, 422 ; 

 Observations at Setif, M. Jarry-Desloges, 386 



Plant : Evolution, The Influence of Selenium on, in the 

 Presence or Absence of Radioactivity, J. Stoklasa, 

 732 ; Growing, Physiology of the, 769 ; Growth in 

 Media poor in Oxygen, L. Maquenne and E. Demoussy, 

 831; The Quantitative Analysis ofr- Dr. L. Balls, 

 189 ; Life, Aspects of, with special reference to the 

 British Flora, Prof. R. L. Praeger, 513 ; Soil, The 

 Relation between the Chlorine Index and the Nitrogen 

 Content of. Mile. C. Veil, 226 



Plants and Animals, Some Statistics of Evolution and 

 Geographical Distribution in, and their Significance, 

 Dr. J. C. Wilhs and G. U. Yule, 177 ; Organic Sub- 

 stances in. Transport of, S. Mangham, 476 ; Trans- 

 port of Organic Substances in. Prof. H. H. Dixon 

 and N. G. Ball, 236 



Platinum Plates in Sulphuric Acid, Polarisation Capacity 

 of, A New Apparatus for the Measurement of the, 

 A. Griffiths and W. T. Heys, 731 



Plato's Theory of ehacrla, H. J. Paton, 224 



Pleiades, The, R. Trumpler, 152 



Plesiosaur, a New, from the Weald Clay of Berwick 

 (Sussex), Dr. C. W. Andrews, 361 



Pliocene Deposits of the County of Cornwall and their 

 Bearing on the Pliocene Geography of the South-west 

 of England, The Nature and Origin of the, H. B. 

 Milner, 62 



Plumage : Importation of, (No. 2) Order, 1922, Additions 

 to the Schedule under the, 789 ; of Birds, Prohibition 

 of the Importation of, 216 ; The Evolution of, 662 ; 

 Prof. J. C. Ewart ; H. F. G., 779 



Pneumatic Conveying, E. G. Philhps, 135 



Poison Gas in Warfare, The Proposal to prohibit the Use 

 of, 51 



Poland, Science in, 278 



Polychaeta, Dr. W. B. Benham, 604 ; Antarctic, Prof. 

 W. C. M'Intosh, 604 



Polyhedral Disease of Tipula Species, J. Rennie, 396 



Polynesian Origin and Migration, An Expedition for the 

 Study of, 86 



Pons-Winnecke's Comet, Meteors of, W. F. Denning, 824 



Population : Maps, S. de Geer, 390 ; Distribution of, 

 M. Aurousseau, 23 



Porcelain Kiln, An Experimental Oil-fired, 385 



Porto Rico, The Bird Remains from the Caves of, A. 

 Whetmore, 792 



Portsmouth Literary and Philosophical Society, Revival 

 of the, 216 



Positive Rays, 671 



Post-glacial Climatic Optimum in Ireland, The, J. de W. 

 Hinch, 353 



Post Office, Science at the, 401 ; Sir W. Noble, 609 ; 

 The Writer of the. Article, 610 



Potash in Marl and Greensand, 218 



Potato, Anthers of, The Degeneration in. Miss M. S. G. 

 Breeze, 26 



Pottery, Early Chinese, W. Burton, 705 



Poultry Research, The Revised Scheme for, of the Ministry 

 of Agriculture, 689 



Powders, The Properties of. Prof. Lowry and L. P. 

 MacHatton, and others, 496 



Power : House Design, Sir J. F. C. Snell, 570 ; The Age 

 of, A First Book of Energy, its Sources, Transforma- 

 tions, and Uses, J. Riley, 269 



Prehistoric : Cooking-places in Norfolk, Miss N. Layard, 

 593 ; Man, The Art of, 167 ; Material Representation 

 of the Pleiades with ten Stars in a Rock Basin in 



