XXVlll 



Index 



T Supplement to Nature, 

 \_ November 26, 1891 



Plants, Sleep Movements in, A. G. Tansley, 493 

 Plants, Water taken up by, Phenomena associated with Ab- 

 sorption and Flow of, Walter Gardiner, F.R.S., 188 

 Platinum, Crystals of, J. Joly, 124 

 Platinum, Volatile Carbonyl Compounds of, Drs. PuUinger, 



Mylius, and Foerster, 530 

 Playing Cards, Japanese, Mrs. Van Rensselaer, 162 

 Pneumatic Bridge, on some Measurements with the, W. N. 



Shaw, 94 

 Pocock (R. I.), the Scorpions at the Zoo, 198 

 Pogson (Norman R.): Death of, 205; Observations at the 



Madras Observatory, 388 ; Memorial to, 436 

 Poincare (Prof.), on Maxwell's Electro-magnetic Theories, 



Prof. A. Gray, 296 

 Poison, Antagonistic Action of Strychnine and Snake, Dr. 



Mueller, 162 

 Pola and Trieste Harbours, the Mareograph in, Lieutenant 



Gratzl, 600 

 Polak (Dr. Eduard), Death of, 629 

 Polarization Theory of the Solar Corona, Prof. Frank H. 



Bigelow, 355 

 Polarizer, Prof. S. P. Thompson, F.R.S., on a New, 455 

 Polden Hills, Geological Formations Exposed in Bridgwater 



Railway Cuttings through, J. T. M. Clarke, 530 

 Pole (Dr. William, F.R.S.), a New Keyed Musical Instrument 



for Just Intonation, 446 

 Political Economy, Dictionary of, 564 

 Polyzoa, Nature of Excretory Processes in Marine, S. F. 



Harmer, 143 

 Pomel (M.), the Eocene Formations of Algeria, 264 

 Poore (Dr. G. V.) and Vivisection, 135 

 Population and Disease, Studies in Statistics George Blundell 



Longstaff, 4 

 Porpoises: in the Victoria Nyanza, Dr. P. L. Sclater, F.R.S., 



124; V. Ball, F.R.S, 198; in African Rivers, Willy 



Kukenthal, 175 ; in African Lakes, V, Ball, F.R.S., 198 

 Positive Science and the Sphinx, 315 

 Potatoes, the Conservation of, 390 

 Potter (M. C), Diseases of Cocoa-nut Leaf, 167 

 Pottery, Nicobar, E. H. Man on, 512 

 Poulenc (C), a New Gaseous Compound, Phosphorus Penta- 



fluochloride, 288 

 Powell (Major J. W.) : Map-Colouring and Cartography, 506 ; 



on Indian Languages, 511 

 Power, Electric Transmission of, J. J. Murphy, 590 

 Poynting (J. H., F.R.S.), on a Determination of Mean Density 



of Earth and Gravitation Constant by Means of Common 



Balance, 165 

 Prain (Dr. D.) : New Indian Labiatse, 258 ; and the Investigator 



Cruise, 549 

 Prausnitz on the Existence of the Bacilli of Tuberculosis in 



Railway Carriages, 390 

 Preece (W. H., F.R.S.), on the London and Paris Telephone, 



Sio 

 Prehistoric Monuments in France, the Protection of, 232 

 Prentis (W.), a Wild Duck's Forethought, 550 

 Preston (Rev. T. A.), Na'ural History in Public Schools, 137 

 Preventive Medici. .e, the British Institute of, 86, 97, in, 124, 



135. 184 

 Priem (F.), the Evolution of Animals, R. Lydekker, 243 

 Priestley (Dr. W. O.), on the Improved Hygienic Condition of 



Maternity Hospitals, 485 

 Primitive Man and Stone Hammers, J. D. McGuire, 630 

 Pringsheim (Dr.), on the Position of the French Accent, 67 

 Printing, Photography as an Auxiliary to, Leon Vidal, 136 

 Prior (Dr. R. A.), the Spiked Star of Bethlehem {Ornithogabmi 



pyrenaictim), 215 

 Prism, Refraction through a. Rev. John H. Kirkby, 294 

 Prisms, Liquid, Prof. W. N. Hartley, F.R.S., 273 

 Pritchard's (Prof.) Repoit on Oxford University Observatory, 



184 

 Proceedings of Academy of Natural Sciences of Philadelphia, 



548 

 Proceedings of the Royal Society of Canada, 477 

 Prohaska ( Prof. ), Study of Remarkable Series of Hailstorms at 



Graz, 233 

 Protective Device of an Annelid, Arnold T. Watson, 507 

 Protoplasmic Rejuvenescence, Prof. Marcus Hartog, 483 

 Prudhomme (M.), Cotton-Bleaching by Oxygenated Water 



with Calcined Magnesia, 192 

 Prussia, Damage to State Buildings by Lightning, 1877-86, 501 



Psychology, Physiological, Dr. Th, Ziehen, 145 

 Psychrometer, the Aspiration, and its Use in Balloons, Dr. R. 



Assmann, 512 

 Pujazon (Captain Cecilio), Death of, 17 

 Pulfrich (Dr. C), Das Totalreflectometer und das Refractometer 



fiir Chemiker, 538 

 Pullinger (W.) : Volatile Platinum Compounds, 215 ; Volatile 



Carbonyl Compounds of Platinum, 530 

 PuLe Curves, Five Years, F. H. Perry Coste, 35 

 Purdie (T.), the Addition of Alcohol Elements to Ethereal Salts 



of Unsaturated Acids, 118 

 Pycnogonids, or Sea-Spiders, 49 

 Pyrenees, the Flowers of the, and their Fertilization by Insects, 



Prof. J. Macleod, 211 

 Pyrometer, Prof. Roberts- Austen, F. R. S., on his Self- Acting, 



456 



Quarterly Journal of Microscopical Science, 21 

 Quarterly Journal of Royal Meteorological Society, 599 

 Quaternions and the Ausdehnungslehre : Prof. J. Willard Gibbs, 



79 ; Prof. P. G. Tait, 105 

 Quincke (F.) : a Volatile Compound of Iron and Carbonic 



Oxide, 234 ; Iron-Carbonyl, 304 

 Quinquaud (M.), Muscjlar Strength Diminished by Alcohol, 



135 



Races and Peoples, Dr. Daniel G. Brinton, 124 



Radiant Heat, Measurements of Lunar, 577 



Radiant Sunlight, Connection between Terrestrial Magnetism 

 and, Prof. F. H. Bigelow, 453 



Rae (W. Eraser), the Busines-s of Travel, 247 



Railroad-Ties, Chemical Methods of Protecting against Decay, 

 O. Chanute, 476 



Railway-Train Lighting, William Langdon, 41 



Rain- Gauges : Thomas Fletcher, 371 ; G. J. Symons, F.R.S., 

 398 



Rain-Making ; in Texas, 436, 473 ; Prof. George E. Curtis, 

 594; in Florida in the Fifties, 521; \V. R. Fidgeon, 565; 

 Dr. Italo Giglioli, 590 ; Experiments, 614 

 •Rainbow, a Lunar, Dr. P. Q. Keegan, 591 



Rainfall in Australia (1890), Extraordinary, Charles Todd, 501 



Rainfall, our Posiiion with Regard to, 630 



Rake (Dr.), Leprosy Bacillus cultivated in Serum by, 16 1 



Ramsay (Prof W., F.R.S.) : and E. P. Perman, on an Attempt 

 to determine the Adiabatic Relations of Ethyl Oxide, 22 ; 

 a System of Inorganic Chemistry, 50 ; the University of 

 London, 78 ; Liquids and Gases, 274 



Rankin (A.), the Winds of Ben Nevis, 191 



Ransome (Dr. Arthur), on the Prevention of Consumption, 369 



Rapakiwi, the, J. J. Sederholm, 548 



Rare Phenomenon, a. Dr. Ralph Copeland, 494 ; Arthur Mar- 

 shall, 519; \V, Tuckwell, 519; F. C. Levander, 519; Her- 

 bert Rix, 541 ; Dr. J. L. E. Dreyer, 541 ; W. DuppaCrotch, 

 614 ; Prof. W. N. Hartley, F.R.S., 614 



Raspail on the Destruction of Small Birds in France, 390 



Rat and Mouse, the Development of the. Dr. Arthur Robinson, 



483 

 Rats at Aden, Voracity of. Captain R. Light, 600 

 Ravenstein (E. G.), the Field of Geography, 423 

 Rayet (G.), Brooks's Comet, 1890 II., 168 

 Rayleigh (Lord, F.R.S.): the Faraday Centenary, 178; some 

 Applications of Photography, 249 ; Van der Waals's Treat- 

 ment of Laplace's Pressure in the Virial Equation, 499, 597 

 Reale Accademia dei Lincei, Annual Meeting of, 324 

 Reasoning, A priori, Prof. George Henslow, 55 

 Reclus (Elisee), 20,000 Franc Prize of French Academy voted 



to, 161 

 Rectorite, a New Mineral of the Kaolinite Group, R. N. 



Bracket! and J. F. Williams, 310 

 Reed (Sir Edward), on the proposed Channel Tubular Railway, 



509 



Refraction through a Piism, Rev. John H. Kirkby, 294 



Refrigerator, an Automatic, 390 



Regel (Herr), Influence of External Factors on Smell of Plants, 

 232 



Reid (Clement), the Origin of the Flora of Greenland, 299 



Reimann (Prof.), Apparent Flattening of the Vault of the 

 Heavens, 67 



Rein (Prof ), Acclimatization of Japanese Lacquer tree at Frank- 

 fort, 500 



