XXV 111 



INDEX 



, [Nature, Nov. 28, 1 5 



M. Pekelharing, 312; Physiological Diagrams, G. Davies, 

 317 ; Heat-Regulation in Man, Prof. Ziintz, 408; Darwinism, 

 Alfred Russel Wallace, Prof. E. Ray Lankester, F.R.S., 566 ; 

 the Senses of Criminals, 596 ; Physiology of the Trachea, 

 M. Nicaise, 612; Penetration of Spermatozoids into Egg 

 of Frog, M. Massart, 635 



Pickering (S. U.): Heat of Neutralization of Sulphuric Acid, 

 94 ; the Expansion of Liquids, 166 ; the Nature of Solutions, 

 166; Use or Abuse of Empirical Formulae and of Differentia- 

 tion by Chemists, 343 ; on Some Effects of Lightning, 415 



Picton (Harold), a Chimpanzee's Humour, 224 



Pidgeon (Daniel), Atmospheric Electricity, 77 



Pigeon, Carrier, in Photography, Use of, 537 



Pilot Charts of Noith Atlantic Ocean, 107, 305, 401, 578, 595 



Pin-hole Photography, Lord Rayleigh, F. R.S., on, 584 



Pinol, Drs. Wallach and Otto, 655 



Pisciculture : Artificial Fertilization of Ova, Thomas Scott, 163 ; 

 Acclimatization of Salmon, 282; Lake Trout Reared at 

 Champ de I'Air, Prof. Blanc, 422 ; the Natural Oyster Banks 

 of Brittany, Bouchon-Brandely, 481 



Pitkin (James) and Niblett's Fire-damp Meter, 66 



Placenta, Mammalian, Minot and Allis on, 419 



Placentation of the Dugong, Sir W. Turner, F.R.S., 611 



Planets : New Minor Planets, 135, 424 ; Prof. Peters, 448 ; the 

 Minor Planet Victoria, 109 ; the Planet Uranus, R. A. 

 Gregory, 235 



Plants, the Uses of, G. S. Boulger, 292 



Plants, Dried, a Method of Mounting, Dr. John Wilson, 438 



Plants, Report of the British Association Committee on the 

 Disappearance of Native Plants from their Local Habitats, 



533 



Platanus Genus, the Origin of the, 61 > • v . 



Playfair (Consul-General), the Dangers of Viticulture '^ in 

 Algeria, 423 



Playfair (Right Hon. Sir Lyon, F.R. S. ) ; on Universities, 204 ; 

 Subjects of Social Welfare, 637 ; I3imetallism, 638 ; Dis- 

 placement of Labour by Modern Inventions, 638 ; Technical 

 Education, 639 



Pleiades and Praesepe, Reduction of Rutherfurd's Photpgraphs 

 of the, 448 



Pleistocene Papers, 609 



Plumandon and Colonies, Synoptic Table of Weather Predic- 

 tion, 61 



Poison in Cured Fish, Prize offered by Russian Academy of 

 Sciences for Inquiring into, 178 



Poison of Terrestrial Salamander, Experiments on, C. Phisalix, 

 484 



Polarization, Elliptical, by Reflection. A. Cornu, 71 



Polarization, Recent Researches on, Electro-ma;jnetic Rotatory, 

 Prof. Kundt, 96 



Polarized Light, Notes on, Prof. S. P. Thompson, 143 



Political Economy : Mathematical Method in, Rudolf Auspitz 

 and Richard Lieben, 242 ; Mathematical Theory of, Leon 

 Walras, 434 ; Prof. F. Y. Edgeworth's Address in Section F 

 at the iiritish Association, 496 



Pont eder a azures, W. C. Sowerby, 327 



Porpoises, the Protection of Fishermen against. Prof. E. Perrier, 

 402 



Portugal, Botany in, 253 



Posewitz (Dr. Theodor), Borneo, 49 



Potassium Iodide, Electrolysis of, E. F. Mondy, 417 



Potsdam Ob-ervatory, Publications of the, 482 



Pouchet (Georges), the Oceanic Sardine, 384 ; Currents of 

 North Atlantic, 577 



Pouff (P. ), a New Form of Siemens Furnace, 561 



Poulton (E. B., F.R.S.) : on the Supposed Transmission of Ac- 

 quired Characters, 610; Weismann's Essays on Heredity, &c., 

 618 ; the Yellow Powder from Cocoon of C/isiocampa netistria 

 under Microscope, 635 ; Change of Colour in Living Larvae 

 of Henicrophila abrtiptaria, 635 



Preece (William Henry, F.R.S.) : and Julius Maier, the Tele- 

 phone, Prof. A. Gray, 200 ; on the Relative Effects of Steady 

 and Alternate Currents on Different Conductors, 586 ; and 

 Prof. G. Forbes, F.R.S., on a New Thermometric Scale, 

 587 ; on Telephonic Communication between London and 

 Paris, 631 



Prefixes bi- and di-, the Use of the, 370 



Prehistoric Flora of Swe.lcn, on the Geological History of the, 

 Dr. A. G. Nathorst, 433 



Prehistoric Times in Northumberland, Rev. G. Rome Hall on, 



633 

 Prel (Carl du), Philosophy of Mysticism, 28 

 Prestwich (Prof. Joseph, F.R.S.), the Westleton Beds of the 



East Anglian Coast, 238 

 Preyer (Prof.), Reflexes in the Embryo, 24. 

 Priestman's Oil engines for Blowing Fog-signals, 351 

 Prime, Test of Divisibility by any, Robt. W. D. Christie, 247 

 Pringsheim (Dr.), Researches with Phonautograph on French 



Accent, 168 

 Priority of Chinese Inventions, 165 

 Prismatic Light, Patches of, C. S. S^ott, 224 

 Prjevalsky Memorial, the Proposed, 547 

 Proceedings of Linnean Society of New South Wales, 135 

 Professors, Oxford and its, 637 

 Projectiles, Chronograph for Measuring Velocity of, Captain 



Holden, R.A.,66 

 Proposals of the Commissioners for the Exhibition of 185 1, 265 

 Prospector's Hand-book, the, J. W. Anderson, 293 

 Protection and Free Trade, Sociology of, F. L. Ward, 558 

 Protozoa, Psychology of. Prof. Geo. J. Romanes, F.R.S., 541 

 Provencal Population, Cephalic Index of, Fallot, 285 

 Provencals, Pagan Practices among Modern, Dr. Ferand, 562 

 Prussia, Meteorology in. Discus-ion of Instructions for Obser- 

 vers of Prussian Meteorological Institute, Dr. Wagner, 334 

 Psychic Life of Micro-organisms, Alfred Binet, 541 

 Psychology, Physiological, the Paris Congress of, 304, 372 

 Psychology of Protozoa, Prof. Geo. J. Romanes, F.R.S., 541 

 Pulkowa Observatory lubilee, 401 

 Puma, Taming the, Wm. Lant Carpenter, 542 

 Purification of Sewage by Electrolysis, W. Webster, 631 



Quarter Squares, the Method of, Joseph Blater, J. W. L. 



Glaisher, F.R.S., 573; Prof. G. Carey Foster, F.R.S., 593 

 Quarterly Journal of Microscopical Science, 116 

 Quartz, Expansion of, H. Le Chatelier, 118 

 Quartz Fibres, C. V. Boys, F.R.S., 247 

 Quartz as an Insulator, 0. V. Boys, F.R.S., 71 

 Quatrefages (A. de), Introduction a I'Etude des Races Humaines, 



407 

 Queen, the, and Her Majesty's Commissioners of the Exhibition 



of 1851, 25 

 Queensland, Northern, Proposed Exploration of, by Mr. A. 



Weston, 308 

 Quinquaud (M.), Quantity of Water in Blood, 144 



Radiation, Experiments on Electro-magnetic, including some on 

 the Phase of Secondary Waves, Fred. T. Trouton, 398 



Raffinose, M. Berthelot, 612 



Kagadia crisia, Note on, Sydney B, J. Skertchly, 10 



Railway Reading Lamp, an Automatic Electric, 373 



Railway, the Working and Management of an English, Geo. 

 Findlay, 219 



Railways, Ship, General Andrews, 108 



Rain, Black, the Earl of Rosse, F.R.S., 202 



Rain Clouds on Lake Titicaca. Hon. Ralph Abercromby, 12 ; 

 Dr. Julius Hann, 78 



Rainbow, a Brilliant, E. Burton Durham, 367 



Rainfall, British, 1888, G. J. Symons, F.R.S., 437 



Rainfall, on the Determination of the Amount of, Prof. Cleve- 

 land Abbe, 585 



Rainfall, Prof. Loomis on, R. A. Gregory, 330 



Kambaut (Arthur A.) : Japanese Clocks, 86 ; Meridian Observa- 

 tions of the Minor Planet Iris, 109 



Rankin (Angus), St. Elmo's Fire on Ben Nevis, 439 



Rankine (William J. M.), Useful Rules and Tables, 517 



Raoult's Method Applied to Alloys, C. T. Heycock and F. H. 

 Neville on, 587 



Rapallo, the Private Laboratory of Marine Zoology at. Dr. L. 

 Camerano, M. G. Peracca, and D. Rosa, 302 



Ray (Saradaranjan), a Treatise on Elementary Algebra and 

 Algebraical Artifices, 9 



Rayleigh (Lord, F.R.S.) : the Sailing Flight of the Albatross, 

 34 ; Iridescent Crystals, 227 ; on Pin-hole Photography, 584 ; 

 on Tones of Bells, 584 



Reade (T. Mellard), .Saxicava Borings and Valves in a Boulder 

 Clay Erratic, 246 



