Nature, Nov. 22, \\ 



INDEX 



XXV 



Plane Trigonometry, a Treatise on, John Casey, F.R.S., 

 21S 



Planets, Minor : New Minor, 88, 115, 231 ; Ilerr Palisa and M. 

 Charlois, 43 ; Names of, 351 



Plants : Dissemination of, by Birds, W. Botting Hemsley, 53 ; 

 Aluminium in, Prof. Church, 228 ; Distribution of Animals 

 and Plants by Ocean Currents, A. W. Buckland, 245 ; Isaac 

 C. Thompson, 270 ; Dispersion of Seeds and, E. L. Layard, 

 296; Geological History of, Sir J. W. Dawson, F.R.S., 

 538 ; Influence of Eclipse on Plants and Animals, 625 



Platinum: Ignition of, in Different Gases, J >r. \Y. R. Ilodg- 

 kinson, 6 ; Neutral Chloride of, M. Engel, 396 ; Discovery 

 of a New Platinum Base, Dr. II. Alexander, 256 



riatyenemia in Man and the Anthropoda, Manouvrier, 463 



Plotting, or Graphic Mathematics, R. Wormell, 172 



Plymouth, Opening of the Marine Biological Laboratory at, 

 198, 236 



Poincare (M. II.), on the Equilibrium of a Heterogeneous Mass 

 in Rotation, 168 



Poison of the Hymenoptera, M. G. Carlet, 216 



Poisonous Snakes of the Bombay Presidency, H. M. Phipson, 

 284 



Poleck and Goercki (Drs.), Three New Sulpho-chlorides of 

 Mercury, 527 



Poli (Prof. Aser), Note on Microscopy, 431 



PoliakofT (M.), a Quaternary Equidean, 309 



Political Economy, Heredity in, M. de Lapouge, 212 



Polytechnic Institute, the, 73 



Polytechnic Institutes in South London, 155 



Population of the Ancient Pagus-Cap-Sizun, Cape du Raz, 

 MM. le Carguet and P. Topinard, 212 



Portuguese Government and Meteorological Signals, 396 



Forzana Carolina, the Osteology of, 279 



Potato Disease, Experiment on the Treatment of the, M. 

 Prillieux, 432 



Potsdam, Publications of the Astrophysical Observatory, 206 



Pottery Collection, David T. Day, 206 



Potts (T. II. ), Death of, 527 



Poulton (Edward B.) : on Dr. Romanes's Article in the Con- 

 temporary Review for June, 295 ; Lamarckism versus Darwin- 

 ism, 388, 434 ; oh the Tiue Teeth and on the Horny Plates 

 of Ornithorhynchus, 430 



Power (Edmund J.), Nose-blackening as Preventive of Snow- 

 Blindness, 7 



Power, Electric Transmission of, Prof. Ayrton, F. R. S., 508, 



533 

 Powles (L. D.), the Land of the Pink Pearl, 101 

 Practical Mechanics and Machine Design, Numerical Examples 



m, Robert G. Blaine, 563 

 Precipitation, Does it influence the Movement of Cyclones?, 



H. Helm Clayton, 301 

 Preece (W. H., E.R.S.): on the Heating Effects of Electric 

 Currents, 93 ; on Lightning- Conductors, 546 ; Opening Ad- 

 dress in Section G (Mechanical Science) at the British 

 Association, 494 

 Prehistoric Canoe discovered in River Hamble, 598 

 Prehistoric Remains near Basingstoke, Discovery of, 553 

 Prestwich (Prof. J., F.R.S. ), International Geological Congress, 



503 

 Preyer (Prof. W.), the Mind of the Child, 490 

 Prillieux (M.), Experiment on the Treatment of the Potato 



Disease, 432 

 Prime Numbers, on certain Inequalities relating to. Prof. J. 



J. Sylvester, F.R.S., 259 

 Prisms, &c, a Substitute for Carbon Disulphide in, II. (,. 



Madan, 413 

 Prjevalsky (General) : Proposed Fourth Journey in Central Asia, 



66 ; Filth Journey to Tibet, 451 

 Probability, the Theory of, Michell's Problem, Sydney Lupton, 



272 

 Problem Tapers, Companion to the Weekly, Rev. John Milne, 



76 

 Problem by Vincentio Viviani, Rev. Edward Geohegan, 78 

 Proceedings of the Royal Geographical Society, 455, 601 

 Proctor (R. A.), Obituary Notice of, 49 

 Produce of the Soil, how to increase the, Prof. John Wrightson, 



329 



Prognostic of Thunder, B. Woodd-Smith, 221 

 Projectiles, Elongated, Calculation of Ranges, &c, Rev. F. 

 Bash forth, 468 



Proliferation of Endothelium-Cells in Arteries, M. Pekelharing, 



216 

 Prophetic Germs, Prof. E. Ray I.ankester, F.R.S., 539, 588; 



the Duke of Argyll, F.K.S., 5(4. 615 

 Propyl Alcohol, Thermal Properties of, Drs. Ramsay and 



Young, 238 

 Protoplasm, on the Chemical Action and Vegetative Alterations 



of Animal, M. A. P. Fokker, 168 

 Prussia : Agricultural Education in, 13S ; Sir E. Malet's Report 



on, 138 

 Psychology, M. Ribot on Contemporary, 160 

 Ptolemy's Theorem, further Use of (Euclid VI . D) for a Problem 



in Maxima and Minima, E. M. Langley, 149 

 Ttomaines, Contribution to the Study of the, M. 'Echsner de 



Coninck, 168 

 Pygmees, Les, A. de Quatrefages, 4 

 Pygmy Races of Men, Prof. Flower, F.R.S., 44, 66 

 Pyralidina of the Hawaiian Islands, E. Meyrick, 95 

 Pyrocresols, Dr. W. Bott and J. B. Miller, 596 



Qualitative Analysis, Outlines of, Geo. W. Slatter, 100 



( luantities, Concrete, Multiplication and Division of, A. Lodge, 



281 

 Quarterly Journal of Microscopical Science, 91, 430 

 Quaternary Times, Climate of, 164 

 Quatrefages A. de), Les Tygmees, 4 

 Queen's Jubilee Piize Essay of the Royal Botanic Society of 



London, 594 



Rabbit Test in Australia, the, 42 ; in New Zealand, 87 



Races, Tygmy, of Men, Prof. Flower, F. R.S., 44, 66 



Radio-micrometer, C. Vernon Boys, 19, 46 



Radiophony, Electro-chemical, Chaperon and Mercadier, 305 



Raft, the Great, abandoned on the Coast of New England, 

 229 



Raggi(Prof. A.), Unilateral Hallucinations, 512 



A'aia circularis, on the Structure of the Electric Organ of, 

 Prof. J. C. Ewart, 94 



Railway, the Biiinig, 502 



Railway near Lucerne, Electric Mountain, 453 



Rain, on the Distribution of, over the British Isles during the 

 Year 1887, G. J. Symons, F.R.S.,363 



Rainbow, M. Mascart, 168 ; an Unusual, E. L. Layard, 270 ; 

 Lunar Rainbow, T. D. A. Cockerel], 365 ; Remarkable Rain- 

 bow, 414 



Rainfall in Germany, Torrential, Dr. G. Hellmann, 502 



Rainfall and Temperature at Victoria Peak, Hong Kong, on the, 

 Dr. W. C. Doberck, 78 



Rainfall, Trans-Mississippi, 326 



Rain -Gauge, M. Brassard, 205 



Rainless Season, Si range Rise of Wells in, 103 



Ramanathan (B.), Ethnology of the Moors of Ceylon, 135 



Ramsay (Prof., F.R.S. ), Analogy between Dilute Solutions and 

 Gases, 213 



Ramsay and Young (Drs.), Thermal Properties of Propyl Alco- 

 hol, 238 



Ranges, &c, Calculation of, of Elongated Projectiles, Rev. F. 

 Bashforth, 468 



Raoult (M. F. M.), on the Vapour-Tensions of Solutions made 

 in Alcohol, 432 



Rati (B. Hanumanta), First Lessons in Geometry, 53 



Ravaz (L.) and Pierre Viala, on Diseases of the Vine, 216 



Ray, the Electric, Prof. J. C. Ewart. 70 



Rayet (M. G.), Accidental Errors in the Observations of 

 Transits, 216 



Rayleigh (Lord, F.R.S.) : Diffraction of Sound, 208 ; Experi- 

 ments as to Variation of Velocity of Light by Electric Cur- 

 rent through Electrolyte, 555 ; Lightning Conductors. 547 



Readc (T. Mcllard), Curious Apparent Motion of the Moon in 

 Australia, 102 



Rebs (Dr. ), the Composition of Persulphide of Hydrogen, 278 



Recalescence of Iron, H. Tomlinson, 95 



Reciprocals: Tables of, V. A. Julius, 77 ; Barlow's Tables of, 



114, 135 

 Red Spot on Jupiter, W. F. Denning, 342 

 Reefs, Coral, "Foundations of, Captain W. J. L. Wharton, 568 ; 



