Nature, Dec. 2, iS 



INDEX 



Polar-Compression of Mars, 112 



Polarisation Spectroscope of Great Dispersion, a Rotary, 360 



Polarisation of Light, Experiment in the, 595 



Polariser, Prazmowslii's, 157 



Ponton (Mungo), his Inventions, &c., 431 t, b • » 



Population, the Increase of, in England and \\ ales, K. f nee 



Williams on, 205 

 Population of the Earth, 467 

 Porcelain Clays, Japanese, 349 

 Posen, Mammoth Skull discovered near, 6G 

 Potagos (Dr. Panagiotes), his Travels, 134 

 Pottery, Prehistoric, of Missouri, 519 , ,, .. , „ xt 



Pourtales (Count Louis Fran9ois de). Obituary Notice of, H. N. 

 Moselev, F.R.S., 322 ; Prof. P. Martin Duncan on, 337 ; 

 Obituary Notice of, Ptof. Alexander Agassiz, 371 

 Prague Conc^ress of Bohemian Naturalists, ^109 

 Pratt (Orson, sen.), " Key to the Universe, 290 

 Preece (W H ), New Microphone, 133; on some Iheimal 

 Effects o'f Electric Currents, 13S ; on the Best Form of 

 Lightning-conductor, 446 

 Prejevalsky (Col.), Letter from, 41 

 Pressure, Ice under, Dr. Thos. Carnelley, 583 

 Preston (S. Tolver), on a Point relating to Braui Dynamics, 29 ; 

 Brain Dynamics, 121 ; on Vortex- Atom Theory, 56 ; on 

 Vortex-Atoms G. H. Darwin, F.R.S., 95 ; Vortex-Atoms, 

 l-'l • a Fourth State of Matter, 192 ; the Recent Gas Lxplo- 

 sion 26? ; on the Mode of Explaining the Transverse \ ibra- 

 tions of Light— the Expression "Radiant Matter, 363; 

 Evolution aiwl Female Education, 4S5 ., . ^ „ o 



Primeval Europe, a Fragment of. Prof. A. Geikie, t.K.b., 400 ; 



Duke of Argyll, F.R.S., 407 

 Primitive Man, 82 

 Priz Volta, Award of the, 299 



Proceedings of the Boston Society of Natural History, ibO 

 Proceedings of the Linnean Society of New South Wales, 231 

 Prosopistoma pundifrons, R. McLachlan, F.R.S., 460 

 PubUc Health, Society of Arts Conference on, 154 

 Puluj (Dr. J.), Radiant Electrode Matter, 280 

 Pyrenees, Prehistoric Customs in. Dr. Phene, 478 

 Python, a Doctor's Encounter with a Sick, 541 



" Qualitativen Analyse, Lehrbnch 'der orga rschen,"' Dr. Chr. 



Th. Barfoed, 581 

 Quarterly Journal of Microscopical Science, 503 

 Quassia and Mosquitos, J. B. Dancer, 33S 

 Queensland, Discovery of Gold-Field in, 131, ;29; K. i. 



Jack's Reports on Geology of, 431 

 Qdeenwood College Mutual Improvement Society, 5 II 

 Qnetelet, Unveiling the Statue of, 131 

 Quiroga (Don Francisco), " Estudio Microgril^co ne Algunos 



Basaltos de Cuidad-Real," 5S2 



Rae (J.), Anchor- Ice, 54 



Radiant Heat in Gases, Absorption of 543 



Radiant Heat and Electricity, S96 



" Radiant Matter," S. Tolver Preston, 363 



Radiation — a Query, 363 



Radiometers, Suggestion with regard to, 252 ; Exper.m:i.ts 



with, 350 

 Rainbows, Lunar, Anne Gififord, 319 

 Rainfall of the East Indian Archipelago, 434 

 Rainfall of Sierra Leone, W. Hume Hart, 585 ^, , . , 



Ralton (Dr.), Suez Canal Rock Salt, 11; Sodic Chloride 

 Crystals, II , , , 



Ramsay (Prof. A. C, F.R.S.), Presidential Address at the 

 Meetins of the British Association at Swansea, 383 



Ramsay (W, ), On the Critical State of Gases, 46 



Rangoon, Earthquakes in, 615 



Rankine (Prof. Macquorn), Memorial Volume to, 539 



Rayleigh (Lord), Colour Combinations, 133 



Reade (T. Mellard), the Yang-tse, the Yellow River, and the 

 Pei-ho, 569 



Reale Istituto Lombardo di Scienze e Lettere, 46, bS, 1 00, 

 234, 257, 380, 504 623 



Rede Lecture, Prof. Humphry s, 115 



Reed (Sir E. J.), " Japan," 610 



Reefs, Coral-, and Islands, Prof. Joseph LeConte, 558 



References to Authorities in Scientific Memoirs, 203 



Regel (Dr.), on the Flora of Turkestan, 19 



Reftlinger (Prof.) Electrical Ring-figures, 302 



Repulsion, Electric, a New Kind of. Dr. Arthur Schuster, 



F.R.S., 535 

 Renshaw (A. G.) "Sarsens," 55 

 Retina, the Action of the, S9 

 Reversals by Memory, Rev. Geo. Henslow, 241 

 Revue des Sciences Naturelles, 20, 283 

 Revue Internationale des Sciences, 20 

 Revue Internationale des Sciences Biologiques, 161 

 Revue d'Anthropologie, 503 , . j 



Rheims, Meeting of the French Association for the Advance- 

 ment of Science, at, 154, 276, 397 ^ 

 Rhizopods, Freshwater, of North America, J. Leidy, 165 

 Rice (J. M.), and V/. W. Johnson's Treatise on the Difterential 

 Calculus, 509 ^, . J 

 Richardson (Dr. B. W., F.R.S.), Further Observations and 

 Researches on Fleuss's System of Diving and Living in 

 Irrespirable Atmospheres, 32 ; On a Prolonged Fast by a 

 Dog, 347 

 Ridout's Improved Thermo-Electric Apparatus, 22 

 Rifled Arms, Sir Joseph Whitworth on, 130 

 Righi (Prof.), Holtz's Electric Machine, 89 , --, , 

 Riaimer (Richard), Land and Freshwater Shells of Great 



Britain, 483 

 Ring and Cup Stones, 221 

 Ring-ligures, Electrical, Prof. Reitlinger and Dr. Wachter on, 



Rio de Janeiro, Minas and San Paulo, Map of Existing and 



Projected Railways in the Provinces of, 205 

 Ritter (Dr. Karl), Presentation of a Gold Medal to, 17 

 " River of Golden Sand," Capt. W. Gill, 26 . , ^ „ . 

 Rivers (General Pitt [Lane-Fox]) Anthropological Collection, 



489, 511 r, r^ c 



Rivers, the Classification of. Surgeon H. B. Gnppy, 60b 

 " Revista Scientifico-Industriale," 20, 46, 234, 480, 503 

 Robinson (Rev. Dr., F.R.S.),: On. the LConstants of the Cup 



Anemometer, 404 

 Robinson (James F.), " British Eee-Farming, 433 

 Rock Salt, Suez Canal, Dr. Ralton, II ^ t, r a 



Rock-weathering, as Illustrated in Churchyards, Frot. A. 

 Geikie, F.R.S., 104 , ,, c -ii 



Rodd's (Edward Hearle), " Birds of Cornwall and the SciUy 



Islands," 507 

 Rodwell (G. F.), Etna, Prof. O. Silvestri, 359 

 Roemer (Dr.), " Lethcea geognostica," 264 

 Rogers (J. Innes), Spectre of the Brocken at Home, 551 

 RoUeston (Prof., F.R.S.) on Round and Long Barrows, 478 

 Romanes (G. J., F.R.S.) on Brain Dynamics, 75 ; the New 

 Freshwater Jelly-fish, 177 ^, ■ • ivr v 



Ronalds (Sir F.), Catalogue of Works on Electricity, Magnet- 

 ism, &c., 87 

 Rooks at Kirkwall, 88 , „, . « 1 ■ 



Ross (Col. W. A.), Alphabetical Manual of Blowpipe Analysis, 



336 



Rosse (Lord, F.R.S.), his Telescope, 75 



Rowland (Prof.), on Thermometry, iS ,^ .^ , . „ .,. 



Royal Academy of Music, Signor Alberto B. Bach on the Culti- 

 vation of the Voice, and his Resonator, 204 



Royal Geographical Socieiy's Proceedings, 19, 157. 232, 35i. 

 46S, M4 ; Fiftieth Anniversary of, 1 14 ; Journal, 569 



Royal Institution, Prof. W. H. Flower, F.R.S., at the, 16 ; 

 Annual Meeting, 17; proposed Lectures at, 40 



Royal School of Mines, Prizes and Associateships awarded, 253 



Royal Society, 21, 46, 70, 91, 129, 137, 161, 186, 209, 234, 

 2i;S, 2S3, 404 , . , ,r ,• 



Ro/al Society of New South Wales, Sydney, Annual Meeting 



Royaf Microscopical Society, 235 ; Journal of, 2S2 



Ruby Lake, disappearance of Water from, 41 „ . . , . 



Rudler (F.W'.), Address in Section D at the Br.tish Asso- 

 ciation, 421 



Ru^by School Natural History Society, 17 ^ r., tt 



Ru°sell (Dr. W. J.), and Dr. West, on the Relation of the Urea 

 to the total Nitrogen of the Urine in Disease, 186 ; Absorp- 

 tion Bands in Certain Colourless Liquids, 368 



Russell (Hon. F. A. R.), Experiments on Thin Films of \\ aler 

 with rei^ard to the Absorption of Radiant Heat, 447 



Russia : Physical Science in, 207 ; Russian Geographical Society, 

 157; Isvestia, 348 ; the Imperial Va;ht Livadhi, 270 



