Xll 



[Nature, jftiiui 9, 1S81 



Palliser (J. W.), "Complete Course of Probleuis in Practical 

 Plane Geometry," 264 



Paola, Earthquake at, 614 



Parallax, Solar, 441, 493, 591 



Parhelion, J. Kand Capron, 291 



Paris: Academy of .Sciences, 24, 48, 72, 116, 140, 163, 1S7, 

 236, 255, 260, 2S3, 30S, 332, 356, 380, 428, 451, 466, 476, 

 493. 5'^) 524. 54!*. 57-2, 596, t>20 ; Museum d'Histoire Natu- 

 relle, 63 ; iVl. Fremy on Chemi^lry at, 83 ; a Case of Medical 

 Etiquette in, 64 ; Pari, Observaiory, 533 ; the Object-glass of 

 the New Tele-cope, 64; Annual Soiree at, 346; Proposed 

 International Congress of Electricians at, 84, 347, 369, 439 ; 

 Medical Gymnasium in, 297 ; the Time of Day in, 367 



ParneU (J.), Meteors, 508 



Pascoe (Francis P.), the Thresher, 35; Flying-fish, 312 



" Past in the Present, What is CivUijation?" Arthur Mitchell, 

 166 



Paukhiirst (E. AUoway), Sound of the Aurora, 484 



Peal (S. E.), Smrmg of Birds, 10; Pile Dwellings, 21S 



Peat, Ice Intruiive ni, T. Meilard Reade, 339 



Pechiile's Comet, 207 



Pei-hj, the Yangtze and the Yellow River, Dr. A. Woeikof, 

 9 ; H. B. Guppy, 35, 99 



Pengelly (VViiliam, F.K.S.), Climate of Vancouver Island, 267 ; 

 Proposed Portrait of, 540 



Periodic Oscillations of Barometric Pressure, Dr. J. Allan Broun, 

 K.R.S., 556 



Peripatus EdwarJsii, Blanch, some Remarks on, Dr. A. Ernst, 

 446 



Pernitric Acid, 470 



Perry (Rev. S. J., F.R.S.), Meteor, 34; Low Temperature, 

 268 ; Aurora and Electric Storm of January 31, 348 



Perry (Prof. John), Wire Tor.-icn, 35 ; Hot Ice, 288 ; Mea- 

 suring the Index of Refraction of Eoonite, 519 



Perselds in August, iSSo, 372 



Peruvian Antiquities, W. Rciss and A. Stiibel, 75 



Peruvian Bark, 189 



Peshawur, Eartliquake at, 275 



Petermann's Mitthcikingen, 87, 185, 279, 399, 566, 495 



Peyton (J. E. H.), Mock Sun, 314 



Phenomena iu Magnetic Storms, Correspondence of, W. Elli.-, 

 33 



Phenomenon, Oceanic, Dr. R. W. Coppinger, 482 



Philippines, Report on the, 299 



Philosophy of Language, Max Miillcr and, A. H. Keane, 30 



Philosophy of Language, Ludwig Noire, 124; A. H. Keane, 124 



Phonograph, a New Kind of, 441 



Phonograph, Enlarged luipres-iuns from, 373 



Phosphorescence of the Sea, Thos. B. Groves, 411 



Phosphurescent Centipede-, B. E. lirodhurst, 99 



Photographic Society, 163, 235, 355, 428, 524 



Photogra,ihy and the Stereoscope, on Esiimating the Height of 

 Clouds by, John Harmer, 194 



Photometer, Dr. Fuchs' New, 278 ; a New Centigrade, 442 



Photoph jiie : Prof. Graham Bell's, 15 ; Sheltord Bidwell on, 58 ; 

 Experiments with the. Prof. Graham Bell and M. Jans-cn, 

 86 ; a Foreshadowed Photophone, 63 ; A. R. Molison on, 78; 

 Lord Rayleigh, F.R.S., on, 274 ; I'rof. Silvanus P. Thomp on 

 on, 331 ; Photophone Experiments, 354 ; Mercadier's Re- 

 searches on the Photophone, 366; Herbert Tomlin:on on, 

 45'7 ; Photophonic Music, 124 



Phylloxera in France, Maxime Cornu, 127 ; the Probability of 

 Phylloxera Crossing the Tropics, 147 ; in tlie Geelong Vine- 

 yards, 181 ; in the Crimea, 253 



Physical Notes, 43, 86, 133, 208, 27S, 372, 397, 441, 517, 616 



Physical Society, 95, 162, 187, 331, 403, 450, 499, 547, 595 



Physical Science at Bedford College, 181 



Physical Nature of the Sun, Study of the, Prof. Piazzi Smyth, 

 554 



"Pnysics of the Earth's Crust," Rev. Osmond Fisher, 131 



Physiological Botany, Atlas of. Dr. Dodel-Port's, 157 



Physiological Significance of Transpiration of PLmts, 494 



Physiology of Plants, Francis Darwin, 178 



Piano, Stenographic, 440 



Pickering (Prof. Edward C), the Star Oeltzen 176S1, 338 ; 

 Spectrum of the Star LI. 13412, 604 



Picture, the Oldest, in the World, Prof. Alfred Newton, F.R.S., 

 555 



Pile-Dwellings, S. E, Peal, 218 



Pinguicula Alphia, 159 



Pinnipeds, North American, J. A. Allen, 261 



Piscium (73), Occultatiou of, by Jupiter, 183; Col. H. CoUelt, 



458 

 Planets, Minor, 396, 517 

 Plants of Mad.iga^car, J. G. Baker, 125 

 Plants: Chlorophyll in the Epidermis of, 15S; Light and the 



Transpiration of, 159; Physiology of, Francis Darwin, 178 

 Plants, Biology of, 310 



Plants, Australian, in India, Dr. G. Bidie, 555 

 Plants, Movement of, Charles Darwin, F. K..S., 409 

 Plants, Physiological Significance ot Trans, iration of, 494 

 Plimsoll's (Mr.) Cure for Colliery Explo-ion-, W. Galloway, 176 

 Plymouth, Flora of, T. R. Archer Briiigs, 74 

 Poggendorff's Biographical Dictionary, Supplement to, 231 

 Polar Re-earch, the Future f, 49 

 Polar Reconn:iiss.ance, Albert H. Markham, 455 

 Polarisation of Light, Experiment in, 442 

 Polarised Light, "Natural" Experiment in, Charles T. Whit- 



mell, 268 

 Political Economy, Dr. Luigi Cossa, 97 

 Po'yergus lucidus, the Shining Slave-Maker, 543 

 Polyzoa, British Marine, T. Hincks, F.R.S., 51 

 "Pompeii," a New Journal, 232 

 Pompeii, Discoveries at, 371 ; Excavations in the Ninth Region 



of, 440 

 Port-au-Prince, Haiti, Meteorological Observatory at, 516 

 Portuguese Pompeii, a, 297 

 Post Office in Magellan Straits, 254 

 Practical Plane Geometry, Complete Course of Problems in, J. 



W. Palhser, 264 

 Predicter, Tide, .Sir William Thomson, F.R.S., 578; Edward 



Robert-, 555 

 Preece (W. H.) : On the Conversion of Radiant Energy into 



Sonorous Vibrations, 496 ; Dust, Fogs, and Clouds, 336 ; 



Aurora and Electric Storm of January 31, 348 

 Prejevalsky (Col.) : his Travels in China, 21, 45, 173; Account 



of> 399 ; at St. Petersburg, 418 

 Prehistoric Europe: Prof. W. Boyd Dawkins, F.R.S., 309, 



361, 482; Dr. James Geikie, F.R.S., 336, 433, 458; K. H. 



Tiddeoian, 433, 528 

 Prehistoric Man, Exploration of the Remains of, in Russia, 107 

 Preston (S. Tolver), on same Points relating to the Dynamics of 



" Kadi int Matter," 461 

 Prevost (G. W.), Aurora of January 31, 329 

 Primitive Marriage Customs, D. MacLennan, 5S4 

 Pris.n, the Passage of Light through a, 397 

 Proceedings of the Royal Irish Academy, 401 

 Proceedings of the Linnean Society of New South Wales, 449, 



522 

 Prussia, Education in, 115 

 Pyramids, Discovery of, to the North of Memphis, 297 



Quarterly Tournal of Microscopical Science, 296, 37S 

 (^uelcett Microscopical Club, 439, 451 



(Juinine, Oxidation of. Dr. W. Ramsay and James J. Dobbie, 

 "243 



Radiant Heat, Action of an Intermittent Beam of, upon Gaseous 



Matter, Prof. Tyndall, F.R.S., 374 

 " Radiant Matter," on some Points Relating to the Dynamics of, 



S. Tolver Preston, 461 ; William Mnir, 483 

 Ridiant Energy, on the Conversion of, into Sonorous Vibration.s, 



W. H. Preece, 496 

 Radiophone, the, 209, 373 

 Rae(Ur. John, F.R.S.), Geological Climates, 337 ; Migration 



of the Wagrail, 411 ; Sound of the Aurora, 605 

 Rainbow, Inverted, seen at Innsbruck, 157 

 Rains, Indian Winter, S. A. Hill, 604 

 Ramsay (Dr. \V.), Oxidation of Quinine, 243 

 Ranee (C. E. de), Blackheath Holes, 365 ; international Geo- 

 logical Congress, 5*0 

 Ranuine's (Macquorn, F.R.S.) Scientific Papers, Prof. Osborne 



Reynolds, F. R.S., 477 

 Raout (M.), Experiments on the Freeziiig-Points of Acoholic 



Liquids, 85 

 Rayleigli's (Lord) Solution for Waves in a Plane Vortex Stratum' 



on a Disturbing Infinity in. Sir William Thomson, 45, 70; 



the Photophone, 274 

 Reade (T. Meilard), Landslips — the Cheshire Subsidences, 219 ; 



