INDEX 



\Naturt, fune 5, 1884 



Perrier's Map of Tunisia, 488 



Perrotin, Close Double-Stars, 185 



Perth Natural History Society, 225 



Penika (Raphael), Detonations of Java Eruptions heard at 

 Philippine Islands, 44 



Petermann's Mittheilungen, 160, 584, 585 



Petit (M.), Return of, from the Congo Region, 158 



Petrological Notes on some North England Dykes, T. |. H. 

 Teall, 254 



Pettersen (Dr. Karl), Sagvandite (a New Rock), 196 



Phenomena Exhibited by Dusty Air in the Neighbourhood of 

 Strongly Illuminated Bodies, Profs. Oliver J. Lodge and I. 

 W. Clark, 417 



Philippine Islands, Java Eruption Detonations heard in, 44 



Phonograph to be used in African Exploration, 460 



Photography of Colours, Greenwood Pirn, 470 



Phylloxera, C. S. Riley, 87 ; in Victoria, 245 ; French Com- 

 mission on, 389 



Physical Notes, 489, 558 



Physical Papers, Prof. Stokes' Mathematical and, Prof. P. G. 

 Tait, 145 



Physical Society, 71, 142, 231, 350, 399, 446, 495, 541 



Physiological Society, 472, 568 



Physiology in Oxford, E. Chapman, M.A., 76 



Pic dn Midi, Studies made on Summit of, with a View to the 

 Establishment of a Permanent Astronomical Station, MM. 

 ThoUon and Trepied, 7 ; Meteorol'igical Observatory, 431 



Pidgeon (D.), the Remarkable Sunsets, 195 



Pim (Greenwood), Photography of Light and Dark Colours, 

 470 



Pitman (Elizabeth M.), the Remarkable -Sunsets, 153 



Planet of Heterogeneous Density, on the Figure of Equilibrium 

 of a. Prof. G. H. Darwin, F.R.S., 230 



Planets, Minor, 273 



Plants (Useful), Christy's Notes on, 488 



Plateau, Posthumous Memoirs by, 489 



Plummer (W. E.), Solar Motion in Space, 246 



Pneumonia (Croupous), Micrococcus in. Dr. Friedlander, 

 144 



Pogge (Dr. Paul), Death of, 584 



Poisons, Uterine Transmission of, Dr. Falk, 280 



Poisons, A. W. Blyth, 451 



Polar Observations, International, Prof. Wild, 201 



Polar (Austrian) Expedition, Results of, Lieut. Wohlgemuth, 

 246 



Polar Expedition in a.d. 1266, Icelandic, 416 



Polar Congress at Sienna, 416 



Polarisation, Galvanic, Explained according to Thermodynamic 

 Principles, Prof, von Helmholtz, 192 



Polarisation of Light, Dr. Lecher's Experiments on, 559 



Polarity and Neutrality, Magnetic, Prof. D. E. Hughes, F.R.S., 

 468 



Polish Bone Caves, Prof. Dr. F. Romer, 449 



Pons' Comet, 45, 104, 112, 185, 273, 296, 367; T. W. Back- 

 house, 7, 104 : Drawings of, 460 



Porpitidae and Velellidae, the. Prof. Alex. Aga^siz, 262 



Porto Rico, Baron Eggers on, 129 



Portraiture, Composite, Adapted to the Reduction of Meteoro- 

 logical and other Similar Observations, G. M. Whipple, 

 420 



Portuguese Expedition to West Africa, 64, 245 



Poullon (E. B.), Heredity in Cats, 20 



Powell's (Mr. Wilfrid) Expedi:ion to New Guinea, 318 



Poynting (Frof J. IL), Seismology, 4S9 



Prague, Human Skull Disc ivered near, 557 



Prairies of the Canadian North- West, on the Absence of Earth- 

 worms from the, Timothy E. Wilcox, 406 



Prehistoric Remains of Britain, the Minor, Local Science 

 Societies and, 19 



Prehistoric Burial Ground near Buhla, 460 



Pringsheim's Jahrbiicher fiir wissenschaftliche Botanik, 349 



Prjeval-ky's (Col.) Thibet Expedition, 416; Travels in Central 

 Asia, 593 



Proceedings of Isis Natural History Society, Dresden, 23 



Proceedings of Linnean Society of New Suuih Wales, 47 



Projectiles, on the Motion of, E. Ristori, 572 



Protopterus, Mygale, and Scorpions, Prof. E. Ray Lankester, 

 54 



Protozoa, Dr. H. G. Brown on, 5 



Prussia, Geological Survey of, 270 

 Pulliorough, Canoe unearthed at, 15 

 Pumice, Sea covered with, Capt. Barlow, 488 



Quadrantids, the, Thos. W. Backhouse, 104 



Ouaritch's General Catalogue, 212 



Quarterly Journal of Microscopical Science, 141 



Rabenhorst (Dr.), on Algie, Mary P. Merrifield, 340 



Radiolaria, the. Prof. E. Haeckel, 274, 296 



Radford (W.), Waking Impressions, 77 



Rae (Dr. John, F.R..S.), Recent Low Temperatures in America, 



287 ; Unconscious Bias in Walking, 311 ; Wind Sand Ripples, 



357 ; Common Domestic Duck diving for Food, 428 ; Right- 



sidedness, 477 ; Thread-Twisting, 550 

 Railroad Time, Standard, C. A. Schott, 70 

 Railway, Cats on the District, E. de M. Malan, 573 

 Rain and Dew, Salt, H. N. Draper, 77 ; F. Gillman, 172 

 Rain-band Spectroscopy Attacked Again, Prof. C. Piazzi Smyth, 



525 

 Rainbow, Circular, J. A. Fleming, 310 : J. M. White, 357 



T. R. Maynard, 357 ; Dr. W. H. White, 428 ; G. K. Gilbert, 



45' 

 Rainbow, a Lunar, J. C. Kernahan, 105 ; C. H. Romanes, 



172; M. F. Dunlop, 172; J. A. Fleming, 310; A. P. 



Colman, 550 

 Rain-Guages, Distribution of, 64 



Ravens in United .States, 336 ; Ira Sayles, W. W. Bailey, 478 

 Rayleigh (Lord, F.R.S.), Suggestions for Facilitating the Use of 



a Delicate Balance, 91 ; on the Measurement of Electric 



Currents, 465 ; on the Electro-Chemical Equivalent of Silver, 



56s 

 Records, Prizes offered by Mr. Eras. Galton for Family, 244, 



257 ; Dr. G. J. Romanes, F.R.S., 257 

 Red-Deer Horns, Sir J. Fayrer, F.R.S., James Inglis, 



213 

 Redeterminations of Atomic Weights, 391 

 Redman (J. B.), Abnormal High Tides in Thames, 237 

 Reefs, the Origin of Coral, Surgeon Guppy, 214 

 Reflection of Light, W. J. Trentler, 104 

 Reflection of Light from Metallic Surfaces, Sir John Conroy, 



398 

 Refracting Power of Solid Chemical Compounds, Kanonnikoff, 



39' . . 



Refractive and Dispersive Power, a Fluid of Extraordinarily 



High, Carl Rohrbach, 63 

 Regal's (Dr.) Explorations in Central Asia, 416 

 Reichardt's (Paul) African Explorations, 272 

 Reis (Philipp), Anniversary of Birth of, 295 

 Remarkable Sunsets, the, 132, 174, 195, 222, 251, 259, 308; 



Edward Whymper, 200 ; Prof. O. N. Stoddard, 355 ; Prof. 



C. Michie Smith, 381 ; Robt. J. Ellery, 549 ; Prof. J. P. 



O'Reilly, 549 ; S. E. Bishop, 549, 573 

 Remsen's (Ira), Principles of Theoretical Chemistry, 283 

 Renard's Analysis of Krakatoa Volcanic Ashes, 134 

 Renard (A.) and J. Murray, Volcanic Ashes and Cosmic Dust, 



585 

 Rendiconti del Real Istituto Lombardo, 300, 375, 443, 467, 



495. 565. 613 

 Rendiconti dell' Accademia di Bologna, 349 

 Rendiconti of the Sessions of the Accademia delle Scienze di 



Bologna, 422 

 Retina, Histogeny of the, Koganei, 235 

 Reusch (Dr.), Analysis of Krakatoa Volcanic Ash, 388 

 Revue d' Anthropologic, 22, 397, 467 

 Revue Internationale des Sciences Biologiques, 47, 375 

 Revue Positive, Stoppage of, 159 

 Reynier (E.), Maximum Cell as Standard of Electromotive 



Force, 227 ; Single Electrolyte Batteries, 227 

 Reynolds (Prof. O., F.R.S.), Gener.al Theory of Thermo- 



Dynamics, 112 ; Thomson's Motion of Vortex Rings, 193 

 Rhyncopetalus montanum, F. O. Bower, 230 

 Rhytina stelleri, Herr Steineger, 226 : Alban Doran, 230 

 Richardson (Cliftbrd), American Wheat, Prof. J. Wrightson, 



173 



