Index 



the Planet Uranus, W. F. Denning, 244 ; Visibility of 

 the Darli Hemisphere of Venus, M. Hansky, 303 ; an 

 Interesting Asteroid, Occlo [475], R. H. Frost, 330; the 

 Minor Planet OcUo (475), R. H. Frost, 3S8 ; Observations 

 of Planets, Mr. Denning, 436 ; Observations of Satellites, 

 Dr. C. W. Wirtz, 465 ; Variation of a Newly Discovered 

 ."^steroid. Dr. Palisa, 494 ; the Variable Asteroid 

 1905 Q.Y., Dr. Palisa, 518; Prof. Berberich, 518; 

 Ephemeris of the Variable Asteroid (167) Urda, A. 

 Berberich, 542 ; see also Astronomy 

 Plankton, the Protist, and the Diatoms in Bottom Samples, 



E. J0rgensen, 45 

 Plant Physiology : Investigations on Intumescences, with 

 Observations on Nuclear Division in Pathological Tissues, 

 E^lizabeth Dale, 22 ; die Lichtsinnesorgane der Laub- 

 blatter. Dr. G. Haberlandt, 323 ; Beitrage zur physiolo- 

 gischen Anatomie der Pilzgallen, Hermann Ritter von 

 Guttenberg, E. R. Burdon, 339 

 Plants : Biochemie der Pflanzen, Prof. Friedrich Czapek, F. 

 Escombe, 169 ; Poisonous Plants of all Countries, A. B. 

 Smith, 243 ; E.xperiments with Plants, Dr. W. J. V. 

 Osterhout, 364 ; the Preservation of Native Plants and 

 Animals, Prof. W. B. Benham, 534 

 " Plimmer's Bodies," Resemblances between, of Malignant 

 Growths and Certain Normal Constituents of Reproduc- 

 tive Cells of Animals, Prof. J. Bretland Farmer, F.R.S., 

 J. E. S. Moore, and C. E. Walker, 164 

 Pochettino (A.), Luminescence Emitted by Certain Crystals 



under the Action of Radium and Rbntgen Rays, 300 

 Pocock (R. I.), on Two Orders of Arachnida, Opiliones, 

 especially the Suborder 'Cyphophthalmi, and Ricinulei, 

 namelv. the Family Cryptostenimatoida?, Dr. H. J. 

 Hansen and Dr. \V. Sorensen, 577 ; Palaeozoische 

 .Vrachniden, Prof. Dr. .Anton Fritsch, 577 ; a Parasite of 

 the House-fly, 004 

 Poincar^ (H.), Maxwell's Theory and Wireless Telegraphy, 



1)9 

 Poisonous Plants of all Countries, A. B. Smith. 243 

 Polar Cap on .Mars, the Formation of the New North, 



Mr. Lowell, 352 ; see Astronomy 

 Polar Stars, Declinations of Certain Norlh, Dr. .\u\vers, 



388 ; Harriet Bigelow, 388 

 Polarisation Pattern, a, T. Terada, 581 

 Polistes, Coloration in, Wilhelmine M. Enteman, ig 

 Pony, the Celtic, Dr. Francis H. A. Marshall, 55S 

 Poor (Dr. Charles L.), the Alleged Identity of Comets 



" Brooks i88g " and Lexell, 19 

 Poor (C. Lane), the Figure of the Sun, 567 

 Porcher (Ch.), Researches on Animal Lactase, 119 

 Porter (A. W.), an Intermediate Course of Mechanics, 601 

 Porter (Charles), .Sanitary Law and Practice, 97 

 Position, Geometry of. Sir Oliver Lodge. F.R.S., 629 

 Power (F. B.), Constituents of the Seeds of Hydnocarpus 

 Wightiana and of Hydnocarpits anthelmintic a ^ 165 ; Con- 

 stituents of the .Seeds of Gynocardia odorata, 165 

 Power, the Distribution of. Prof. W. E. Ayrton, F.R..S., 



t)I2 • 



Poynting (Prof. J. H., F.R.S.), a Text-book of Physics, 



Heat, 293 

 Poynton (Dr. F. J.), Experience of Milk to which Sodium 



Citrate had been .Added in the Feeding of Infants, 354 

 Prccht (Prof.), \'iew that Hydrogen Peroxide gives Rise 



to a Special Radiation Capable of affecting a Photo- 

 graphic Plate, 109 

 Preece (Sir W. H., K.C.B., F.R.S.), New Sundial that 



Tells Standard Time, 209 

 Preservation of Native Plants and .Animals, the, Prof. 



W. B. Benham, 534 

 Pressure of Radiation on a Clear Glass Vane, the. Prof. 



Gordon F. Hull, tgS ; T. H. Havelock, 269 

 Preumont (G. F. J.), Geological Aspect of North-eastern 



Territories of the Congo Free State, 46 

 Prideaux (E. B. R.), Refractive Index of Gaseous Fluorine, 



480 

 Primitive Religious Art, 260 



Prior (G. T.), Chemical Composition of Hutchinsonite, 215 

 Projection on Mars, a, Mr. Lowell, 279 

 Prominences on the Sun's Limb, Observations of. Prof. 



Mascari, 158 

 Properties of Photographic Plates Exposed to Light, L. H. 



Winn, 485 ^ 



Properties of Rotating Bodies, E. W. Rowntree, 8 



Protective Coloration of the Inside of the Mouth in Nest- 

 ling Birds, W. Ruskin Butterfield, 534 



Protoplasm, the Simplest Kind of. Dr. Charlton Bastian, 

 F.R.S., 92 



Przibram (Dr. Hans), Einleitung in der experimentelle 

 Morphologic der Tiere, 426 



Psychiatric, Metaphysik in der. Dr. P. Kronthal, 29 



Psychiatry, Manual of, J. R. de Fursac, 363 



Psvchologv : Contributions to the Study of the Behaviour 

 of Lower Organisms, Prof. Herbert S. Jennings, 3 ; 

 Metaphysik in der Psychiatric, Dr. P. Kronthal, 29 ; 

 Volkerpsychologie. Wilhelm Wundt, 126 ; die Sfellung 

 Gassendis zu Deskartes, Dr. Hermann Schneider, 292 ; 

 Lazarus der Begriinder der Volkerpsychologie, Dr. Alfred 

 Leicht, 396 ; the Synthetic Factor in Tactual Space Per- 

 ception, T. H. Haines, 464 ; Consciousness and its 

 Object, F. Arnold, 464 ; Prinzipienfragen in der Natur- 

 wissenschaft. Max Verworn, Supp. to October 19, viii 



Puiseux (M.). the Reality of Supposed Changes on the 

 Moon's Surface, 230 



Pumpellv (Raphael), Explorations in Turkestan, with an 

 Account of the Basin of Eastern Persia and Sistan, 366 



Pumpelly (R. W.), Explorations in Turkestan, w-ith an 

 Account of the Basin of Eastern Persia and Sistan, 366 



Pycraft (VV. P.), Osteology of the Eurylaemida, 93 ; the 

 Story of Reptile Life, 305 



Ouartaroli (A.), the Gradual Dissociation of Mellitic .Acid, 

 302 



Quartic Equations, Graphical Solution of Cubic and, H. 

 Ivah Thonisen, 295 



Ouaternions, a Manual of, Prof. Charles Jasper Jolv, 



~F.R.S., 121 



Queen-rearing in England, and Notes on a Scent-producing 

 Organ in the .Abdomen of the Worker-bee, the Honey- 

 bees of India and Enemies of the Bee in South -Africa, 

 F. W. L. Sladen, 126 



Quincke (Prof. G., For.Mem.R.S.), the Formation of Ice 

 and the Grained Structure of Glaciers, Paper at Royal 

 Society, 543 



Rabinowitsch (Dr. Lydia), Specimens Indicating the Results 



of Inoculation of Bovine, Human, and Avian Tubercle, 



382 

 Radcliffe (Lionel Guy), a .Systematic Course of Practical 



Organic Chemistry, 579 

 Radial Area-scale, R. W. R. Edwards, 150 

 Radial Velocities of Thirty-one Stars, Prof. Lord, no 

 Radiants, Determination of Meteor, M. Eginitis, 303 ; Prof. 



Nijland, 303 

 Radiation, a Comparison between Two Theories of, J. H. 



Jeans, 293 

 Radiation, the Constant of, as Calculated from Molecular 



Data, the Right Hon. Lord Rayleifih, O.M., F.R.S., 



Radiation, the Dynamical I heorv of Gases and of. Lord 

 Rayleigh, O..M.; F.R.S., 54: J.' H. Jeans, loi 



Radiation, the Pressure of, on a Clear Glass A'anc, Prof. 

 Gordon F. Hull, 198 ; T. H. Havelock, 2b9 



Radiography : on the Spontaneous .Action of Radio-active 

 Bodies on Gelatin Media, John Butler Burke, 78 ; on 

 the Spontaneous -Action of Radium on Gelatin Media, 

 John Butler Burke, 294; .Action of Light and of Radium 

 upon Glass, Sir William Crookes, F'.R..S,, 90; Phosphor- 

 escence Caused by the $ Rays of Radium, G. T. Beilby, 

 90 ; -Action of Radium Bromide on the Electromotive 

 Phenomena of the Eyeball of the Frog, Prof. JIcKendrick 

 and Dr. W. Colquhoun, 287; Luminescence Emitted by 

 Certain Crystals under the .Action of Radium and 

 Rbntgen Rays, A. Pochettino, 300 ; Connection between 

 Atomic Weight of a Substance and the Amount of 

 Secondary Radiation which it Emits when Subjected to 

 the S and y Rays of Radium, Prof. .A. Righi. 350 ; the 

 Rate of Formation of Radium, Hon. R. J. Strutt, 

 F.R.S., 363; the Effect of Radium on the Strength of 

 Threads, Hilda P. .Martin and Prof. W. B. Morton, 365 ; 

 Properties of the a Rays of Radium, Henri Becquerel, 



