Supplement to Nature, 

 Mav -ii, 1804 



Index 



XXXI 



Pinkerton (R. H.), Hydrostatics and Pneumatics, 362 



Pitt-Press Euclid, v.-vi., H. M. Taylor, 52 



Pivot-Testing, Method of, Maurice Hamy, iii 



Plane Trigonometry, S. L. Loney, 339 



Planet Jupiter, the, i8, 67, 85, 104, 300, 323 



Planet Venus, the, 233, 413 



Planimeters, Prof. Perry, 617 



Plant Names, Kew Index of, 241 



Plants, Dictionary of the Active Principles of, C. E. Sohn, 385 



Plants, Flowering, of Western India, Rev. A. K. Nairne, 501 



Plants, on the Irritability of, Prof. F. Elfving, 466 ; Prof. 



Pfeffer, 5S6 

 Plants, Recent Investigations and Ideas on the Fixation of 



Nitrogen by. Prof. H. Marshall Ward, F.R.S., 511 

 Plating, on the Buckling and Wrinkling of, supported on a 

 Framework under the Influence of Oblique Stresses, G. H. 

 Bryan, 499 

 PlausiMe Paradox in Chances, a, Francis Galton, F.R.S., 



365 ; Lewis R. Shorter, 413 

 Pleiades, the, 366 



Plesiosaurus, Complete, found in Wiirtemburg, 271 

 Plon, Forschungsberichte aus der Biologischen Station zu. Dr. 



O. Zacharias, 385 

 Plumandon (J. R.), Application of Meteorology to the Art of 



War, 488 

 Plymouth Marine Biological Station, Week's Work of, 38, 67, 



84, 162, 323, 372, 418 

 Pneumatics, Hydrostatics and, R. H. Pinkerton, 362 

 Pocock (R. I.), the Zoological Record, 53, 198; further Notes 

 and Observations upon the Instincts of some common English 

 Spiders, 60 ; on the Classification of the Tracheate Arthro- 

 poda, a Correction, 124 

 Poetry, Astronomy in, 372 ; Rev. Edward Geoghegan, 413 ; 



G. W. Murdoch, 434 

 Poincare (H.), Propagation of Electricity, 239 

 Poison, Serpent, Inoculation against, A. Calmette, 548 

 Poisonous Principle of Adder's Blood, MM. Phisalix and 



Bertrand, 284 

 Poitevin (Henri), Report of Pasteur Institute for 1893, 581 

 Polado Flint Saws, the, Dr. R. Munro, 183 

 Polar Caps of Mars, Melting of the. Prof. W. H. Pickering, 586 

 Polar Exploration, the Proposed Continuous, Robert Stein, i8, 



124, 256, 346 

 Polymorphous Microbe in Syphilis, on the Presence of a, Dr. 



Golasz, 500 

 Polyphases. Les Courants, J. Rodet et Busquet, 122 

 Pomortseff (M.), the Motion of Clouds, 230 

 Poncins' (M. de) Explorations in the Pamirs, 18 

 Poncins (E. ), Pamirs Crossed by, 163 

 Port Erin, Dredging Expedition at. Prof. W. A. Herdman, 



F.R.S., 503 

 Port Jackson, Coal Discovered at, 64 



Postal Transmission of Natural History Specimens, the, Isaac 

 J. Wistar, Edward J. Nolan, 100; R. McLachlan, F.R.S., 

 172 ; Philip P. Calvert, 314 

 Potain (M.), Movements of Surface of Heart, 23 

 Potholes, Glacial, of Cooper's Island, U.S., W. O. Crosby, 160 

 Potsdam, the Earthquake of November 5 at, 159 

 Potter (M. C), an Elementary Text-Book on Agricultural 



Botany, 290 

 Pouchet (H. C. G.), Death and Obituary Notice of, 538 

 Poulton (Prof. E. B., F.R.S.), Method of showing Geographi- 

 cal Distribution of Insects in Collections, 95 

 Powell (Major J. W.), Eighth Report of U.S. Bureau of 



Ethnology, 132 

 Pratt (J. H.), Chemical Composition of Staurolite, 402 

 Precious Stones, 319 



Preece (W. H., F.R.S.), a Manual of Telephony, 454 ; Bril- 

 liant Aurora Borealis of March 30, 1894, 539 ; Earth 

 Currents, 554 

 Prehistoric Interments of the Balzi Rossi Caves near Mentone, 



Arthur J. Evans, 42 

 Prehistoric Man, Evidences of Existence of Man in Nicaragua 



in Neolithic Age, J. Crawford, 107 

 Prehistoric Man in Jersey, Edward Lovett, 487 

 Pressures, Measurements of Low Vapour, J. W. Rodger, 436 

 Preston (Thomas), the Theory of Heat, Prof. G. C. Carey 



Foster, F.R.S., 573 

 Prestwich (Dr., F.R.S.), on a Possible Cause for the Origin of 

 the Tradition of the Flood, 594 



Pretoria, establishment of State Museum at, 12 

 Preventive Medicine, the Directorship of the British Institute 

 of. Prof. Chas S. Roy, F.R.S., 269; Sir Joseph Fayrer, 

 F.R.S., 292 ; Prof. Victor Horsley, F R.S., 292 

 Prideaux (R. M.), the Early Return of Birds, 578 

 Prince Henry the Navigator, Quinquecentenary of, 301 

 Prince (J. J.), Graphic Arithmetic and Statics, 28 

 Prinz(W.), the Internal Temperature of Trees, 271 

 Procacci (Dr.), Bactericidal Influence of Sunshine on Drain- 

 water Microbes, 461 

 Proctotrypidse, the North American, W. H. Ashmead, 182 

 Protective Habit in a Spider, Prof. C. Lloyd Morgan, 102 

 Protoplasm, Artificial Amcebje and. Dr. G. Quincke, 5 ; Dr. 



John Berry Haycraft, 79 

 Protoplasm, P'oam Theory of, E. A. Minchin, 31 

 Prudden (Herr), Vitality of Micro-Organisms on Artificial 



Ice, 395 

 Prunet (A.), the Propagation of Pourridie by Storage of 



Graft-Slips in Moist Sand, 24 

 Pruning, Tree, A. des Cars, Prof. W. R. Fisher, 526 

 Psychology : American Psychological Association, 252 ; 

 Psychological Review, 297 ; Grundziige der Physiologischen 

 Psychologic, Wilhelm Wundt, 31 1 ; Investigations on Reac- 

 tion Time and Attention, Dr. C. B. Bliss, 439 ; Reaction 

 Times and Velocity of Nervous Impulse, Profs. Dolley and 

 Catteil, 462 ; the Status of the Mind Question, Lester Ward, 



510 

 Psycho Physics, Physiological Psychology and, 252 ; Dr. 



E. B. Titchener, 457 

 Psycho-Physiology, the Scope of. Prof. C. Lloyd Morgan, 504 

 Ptarmigan of Aleutian Islands, the, W. B. Evermann, 584 

 Pteris serrulata (L. fil.), Var. Cristata, Apogamy in, A. H. 



Trow, 434 

 Public, Astronomy for the. Sir Robert S. Ball, F.R.S., R A. 



Gregory, 243 

 Public Health : a Treatise on Hygiene and Public Health, T. 



Stephenson and S. F. Murphy, 285 ; Public Health and 



Demography, Edward F. Willoughby, 285 

 Pumpelly (R.), Apparent Time-break between Eocene and 



Chattahoochee Miocene in S.W. Georgia, 214 

 Pumps, Steam, on Russian Railways, Alexander Borodin, 19 

 Puy-de-D6me, Discovery of Ruins of Temple to Mercury on, 14 

 Pycroft (George), Death of, 538 

 Pygidium of Triarthrus, the Appendages of the, Charles E. 



Beecher, 617 

 Pyrenees : Les Pyrenees, Eugene Trutat, 122 ; Geographical 



Conditions of the Pyrenees, MM. Schrader and De Margerie, 



275 ; Prehistoric History of the Pyrenees, 593 



Quarterly Journal of Microscopical Science, 139, 423 



Qiia7-terly Review, Science in the, 352 



Quartz Fibres, the Attachment of. Prof. C. V. Boys, F. R.S., 



450 

 Quaternionic Innovations, Oliver Heaviside, F.R.S., 246 

 Quaternions in Physics, Utility of, A. iNIcAulay, Prof. P. G. 



Tait, 193 

 Queensland, Progress in 1892 of Geological Survey of, R. L. 



Jack, 109 

 Quekett Microscopical Club, 523 



Quincke (Dr. G.), Artificial Amoebae and Protoplasm, 5 

 Quinquand (M.), Death of, 270 



Race, Disease and, Jadroo, 575 



Radiant Energy, the Nomenclature of, Prof. Simon Newcomb, 

 F.R.S., 100; Prof. G. F. Fitzgerald, F.R.S., 149; Prof. 

 A. N. Pearson, 389 

 Radloff (W.), the Orkhon River Archseological Expedition, 23 

 Railways, Round the W'orks of our Great, N. J. Lockyer, 312 

 Rain, Artificial, Influence on Plants of, Prof. J. Wiesner, 253 

 Rainbow, a Lunar, Rev. C. W. Langmore, 321 

 Rainfall : New Form of Rainfall Map, H. L. Russell, 180 ; 

 the Sun-spot Period and the West Indian Rainfall, Maxwell 

 Hall, 399; Rainfall Records in British Isles, G. J. Symons, 

 438 ; Observations of Rainfall in Edinburgh, 520 

 Rama, the Nativity of. Col. Walter R. Old, 4 

 Rambaut (Prof. Arthur A.) on the Great Meteor of February 

 8,572 



