[Nature, May 27, 1880 



Palestine, the New Map of, 620 



Papin and Leibnitz, Dr. Gerland's Discovery of Original Letters 

 by, 19 



Tapau, the, E. L. Layard, 201 



Papuan-, Notes upon, of Maclay Coast, New Guinea, J. C. 

 Galton, 204, 226 ; V. Ball, 251 



Para, Rubber Plants, Dr. King on, 238 



Parallax of a Small Star, 117 



Parallax, the Solar, 141 



" Parasol " Ants of Texas ; how they cut and carry Leaves : 

 Origin of Castes by Evolution, G. T. Bettany, 17 



Parfitt (Edward), Sun-Spots, &c, 324 



Paris : Anthropological Society of, Felyx-Denys-Rapontayabo's 

 Letter to the, 19 ; School of Astronomy at the Observatory, 

 19 ; the Lenses of the Great Refractor at the, 500 ; Appoin - 

 ment of astronome titulars, 475 ; the Use of Ice in 'the 

 Morgue, 19 ; the Telephone in, 20 ; Academy of Sciences, 2S, 

 52, 76, 100, 124, 148, 172, 219, 244, 268, 292, 316, 340, 364, 

 388, 412, 436, 484, 508, 532, 556, 580, 604, 628 ; Archives 

 of the, 71 ; Statistics of the Members, 573; M. Perrier ap- 

 pointed a Member of, 237 ; Prizes of, 421 ; Meteorological 

 Commission, 47 ; the Meteorological Stations in, 71 ; Scheme 

 for erecting a Memorial of the Siege of, 115; Geographical 

 Society, 118; Bulletin, 266, 428; Gas-Lighting in, some 

 Statistics of, 140; Snow-storm in, 140 ; the Frost id, 162; 

 the Rainfall of, and Sun-Spots, C. Meldrum, F.R.S., 166; 

 the Thaw in, 239 ; Gas and Electricity in, W. de Fonvielle, 

 282; Experiments in Electric Lighting in, 307; Electric 

 Light in, 423 ; Exhibition of 1878, Artisan Reports on, Prof. 

 Silvanus P. Thompson, 397 ; the Damage to Trees by Frost, 

 501 ; Physical Society, 548 



Parker (T. Jefiery), Scottish Zoological Station, 159; "On the 

 Histology of Hydra fusca," 244 



Parker (Prof. W. K., F.K.S.), Series of Lectures at the Royal 

 College of Surgeons, 329 



Passivity of Iron, M. Louis Varenne on the, 117 



Pasteur's "Studies on Fermention ; the Diseases of Beer, their 

 Causes, and the Means of Preventing them," 274 



Paterno, Appearance of a Small Crater near, 3S2 



Paterson (W. G. Spence), Earthquakes in Iceland, 132 



Pathological Histology of Epizootic Pleuropneumonia, by Chas. 

 S. Roy, M.D., Dr. E. Klein, F.R.S., on, 175 



Taton (jas.), a Museum Conference, 442, 514 



Patterson (C. P.), Trans- Atlantic Longitudes, 467 



Pavesi (Prof.), on the Pelagic Fauna of the Lakes of Tessin 

 and Italy, 525 



Peal (S. E.), Intellect in Brutes, 34; Voice in Fish, 55 



Pegasi, the Close Binary S5, 240 



Peirce (C. S.), Mutual Attraction of Spectral Lines, 108 



Peirce (J. M.), "Mathematical Tables chiefly to Four Figures," 

 346 



Pelagic Fauna of Italian and Tessin Lakes, 525 



Pendulum, Employment of the, for Determining the Figure of 

 the Earth, Major J. Herschel, 599 



Penning (W. II.), "Text Book of Field Geology," Second 

 Edition of, 264 ; Diatoms in the London Clay, 494 



Pepsine-forming Glands, 169 



Percy (Dr.), his Resignation of the Lectureship on Metallurgy, 

 162 



Perforated Stones in River Beds, W. Curran, 34S 



Pergamon, Archa:ological Investigations at. Prof. Conze on, 40S 



Perini (N.), New Planetarium, in, 568 



Periodicity of Rainfall, Result of an Inquiry into the, G. M. 

 Whipple, 338 



Perrier (M.) Appointed a Member of the Academy of Sciences, 



Perry (John) and W. E. Ayrton, on Seeing by Electricity, 589 



Perry (Rev. S. J., F.R.S.), the November Meteors, 55 



Persia, the Existence of a Blonde Race in, 266 



Petermann's Mittheilungen, 49, 242, 361, 455 



Petermann (Dr. August), Monument to, 451 



Petho (Julius), Hungarian Earthquakes and the Kolumbacs 



Flies, 202 

 Petrie (W. M. Flinders), Carbon and Water Figures, 225 

 Petrographical Descriptions of the Caucasian Region, Dr. 



Abich's, 287 

 Petrography in Spain, 165 

 Pettenkofer (Prof.) of Munich, Royal Order of the Crown 



Bestowed on, 424 

 Pfaff (I'r. F.), "Der Mechanismus der Gebirgbildung," 325 



Pfeiffcr's (M.), Electric Toy, 267 



Phenomenon, a Strange, R. E. Harris, 409 



Philadelphia Exhibition, Kcenig's Collection at the, Henry 



Morton, 36S 

 Philadelphia, American Philosophical Society Centenary, 500 

 Philadelphia Academy, 627, 628 



Philosophy, Mythologic, Prof. J, W. Powell, 312, 333 

 Phonograph, Forms Produced in the, Signor Fautrier on, 21 ; 



M. C. E. Seguin fils, on the Invention of the, 266 

 Phosphorescence, Ralph Copeland, 33 ; Experiments on, 287 

 Photographic Process, New, discovered in Japan, 243 

 Photographic Spectra of Stars, W. Huggins, F.R.S., on, 269 

 Photographic Society, 364, 436, 507 

 Photography, the New Hydrogen Lines Observed by the Star 



Lines, and the Dissociation of Calcium, Dr. H. W. Vogel, 410 

 Photometry, Celestial, 23 

 Phylloxera in the French Vine-growing Districts, 356, 452, 597; 



in the Vines of Cape Colony, 356 ; in Sicily, 452 

 Physics, Galileo and the Application of Mathematics to, Prof. 



W.Jack, LL.D., 40, 58 

 Physics, Lecture Notes on, by C. Bird, I S3 

 Physical Notes, 21, 72, 117, 189,- 242, 2fj6, 287, 309, 359, 385, 



408, 426, 526, 575 

 Physical Society, 75, 147, 194, 339, 363, 411, 506, 531, 627 

 Physiology, Vocal, and Hygiene, by Gordon Holmes, Dr. 



William Pole on, 271 

 Pickard-Cambridge's (Rev. O.) Spiders of Dorset, 273 

 Pickering (Prof. Edward C), Light of Webb's Planetary 



Nebula (DM. + 41°, 4004), 346; Harvard College Observa- 

 tory, 359 

 Pictet's Proposal to Dissociate the Metalloid Elements, 445 

 Pictet (Kaoul), on the Artificial Production of Cold, 524 

 Pilous System in Man, 424 



Piscicultural, International, Exhibition at Berlin, 193 

 Pitch, Musical, 533 ; the History of, Alex. J. Ellis, F.R.S., 550 

 Planetary Nebula (DM + 41' 4004), Light of Webb's, Prof. 



Edward C. Pickering, 346 

 Planetarium, a New, N. Perini, HI, 568 

 Planets, Minor, 20, 240, 359, 475 ; the Red Spot upon Jupiter, 



20 ; Saturn, T. W. Webb, 87 ; Mars, Rev. T. W. Webb, 



212 ; on the Secular Changes in the Elements of the Orbit of 



a Satellite Revolving about a Planet Distorted by Tides, 



G. H. Darwin, F.R.S., 235; the Intra-Mercurial Planet 



Question, Prof. Lewis S*ift, 299 ; the Small Planets observed 



at Greenwich, Admiral Mouchez, 407 ; Mercury observed in 



Paris, 474 

 Plantamour (Prof.), on the Temperature of St Bernard, 330 

 Plante (M. Gaston), his Researches on Voltaic Electricity, 21 ; 



Prof. Silvanus P. Thompson, 150 ; Improvements in Plante's 



Secondary Batteries, 409 

 Plants, Chronological History of. Prof.- A. H. Sayce, 104 

 Plants, Effects of Uninterrupted Sunlight on, 311 

 Plants, Medicinal, Robert Bentley and Henry Trimen, 416 

 Plasticity of Solid Substances, Signor Marangoni on, 21 

 Platinum, Intensity of the Rays emitted by Glowing, Dr. E. L. 



Nichols on, 267 

 Platysomid Fishes, R. H. Traquair, 55 

 Pleuropneumonia, Epizootic, Report on the Pathological Histology, 



of, by Dr. Chas. Roy, Dr. E. Klein, F.R.S., 175 

 Pliocene Period in England, 578 

 Plough, the Origin of the, 459; the largest, 597 

 Plymouth, publication ot a Flora of, 262 

 Pneumatic Clocks in Paris, 500 

 Poey (Prof. Andre), Cloud Classification, Rev. W. Clement 



Ley on, 207 

 Polariscope, Measuring, Herr E. Schneider's, 242 

 Pole (Dr. William, F.R.S.), Animals and the Musical Scale, 



1 1 ; Hering's Theory of the Vision of Light and Colours, 14 ; 



on Vocal Physiology and Hygiene, by Gordon Holmes, 271 

 Politics and Science, 348 

 Pollen, John Miers on the Action of, II 



Post (Dr. Jul.), "Grundriss der chemischen Technologie," 55 

 Post Office and the Telephone, W. H. Preece, 349 

 Potassium, Salts of, Chemico-Electric Relations of Metals in 



Solutions of, Dr. Geo. Gore, F.R.S., 21S 

 Pottery, Ancient American, $01 



Powell (Prof. J. W.), Mythologic Philosophy, 312, 333 

 Power's " Contributions to North American Ethnology," W. L. 



.Distant, 247 . . 



Prato, New Meteorological Station at, 140 



