Nature, May 30, 1889] 



INDEX 



X\V 



iiaternion, Differentiation of any Scalar Power of a, Alex. 

 M'Aulay, Dr. Muir, 455 

 ijeen's Jubilee Prize Essay of the Royal Botanic Society of 



London, John \V. Ellis, 10 ; the Reviewer, 10 

 i.ieensland : Aborigines, R. L. Jack, 544 ; Meteorology in, 208 ; 

 Post-Tertiary Avifauna of, C. W. De Wis, 157 

 ^luetzal, Guatemala, the Land of the, William T. Brlgham, 



412 

 i^)aincke (Dr.), Vapour Density of Aluminium Methide, 495 



Rabbit, Genesis of the Placenta in the, 262 

 Rabbit Pest, the. Dr. P. L. Sclater, F.R.S , 493 

 Rabot(M.), the Glaciers of Lapland and Greenland, 138 

 Racial Portraits, the Earliest, W. M. Flinders Petrie, 128 



liolarian Earth of Barbados, Origin of the, J. B. Harrison 

 (and A. J. Jukes Browne, 367 

 liometer (Crookes's), Experiments with. Prof Lancetta, 94 

 ioszkowski (General), Generative Organs of the Pompilidae, 



177 

 Has (W. Hargreaves), the Darkness of London Air, 441 



Ulway, Proposed French Congo, 399 



in. How Formed, H. T. Blanford, F.R.S., 224 



linfall, United States Rain Charts, 231 



lisin (Miss Catherine A.), Nodular Felstones of the Lleyn 

 [Peninsula, 478 



asay (Dr. E. P.), Tabular List of all the Australian Birds, 



460 

 Ramsay (Prof. W., F.R.S.) : on Mixture of Propyl Alcohol and 



Water, 166 ; Molecular Weights of Metals, 597 

 Rankine's Investigation of Wave Velocity, Prof. J. D. Everett, 



F.R.S , 31 ; his Modification of Newton's Investigation of the 



Velocity of Sound in any Substance, Prof Oliver J. Lodge, 



F.R.S., 79 

 Ranvier (L.) : Muscles of the Hare, 239 ; Chindroid Plaques in 



the Tendons of Birds, 478 ; Cephaloid Organs in the Tendons 



of Birds, 504 

 Rape (Brassica Napus), Colouring Matter of the Testa of the 



Seed of, Alexander Johnstone, 15 

 Rare Earths as Interpreted by the Spectroscope, Recent Re- 

 searches on the, W. Crookes, F.R.S., 537 

 Rattlesnake, Rattle of the, S. Garman, 569 

 Ravenstein (E. G.), Lake Bangweolo, 470 

 Rawson (S. G.), Atomic Weight of Chromium, 503, 566 

 Rayet (M. G.), on the Value of the Revolution of the Right 



Ascension Screw in a Meridian Instrument, as Determined by 



the Observation of the Equatorial or Circumpolar Stars, 504 

 Rayleigh (Lord), F.R.S., Composition of Water, 462 

 Reactions, on the, between Chromic Acid and Oxygenated 



Water, M. Berthelot, 311 

 Reade (T. Mellard), Will Fluctuations in the Volume of the 



Sea account for Horizontal Marine Beds at High Levels? 



582 

 Reading, Sheep-panic at, 86 



Rebaur-Paschwitz (Ilerr von). Presentation to, 230 

 Reboul (M. E.), on the True and Mixed Butylic Ethers, 311 ; 



the Butylic Ethers, 359 

 Rectilinear Vibrator, Hertz's Equations in the Field of a. Rev. 



H. W. Watson, 486, 558 

 Red Sea, Meteorology of. General Strachey, S6 

 Rede Lecturer at the University of Cambridge, Prof Stokes, 



P.R.S., 280 

 Refraction in Crystals, Method of Measuring the Indices of, M. 



Louis I'errot, 336 

 Regel (Dr. R.), Flora of St. Petersburg Province, 592 

 Region, the, of the I'^ternal Fire, Charles Marvin, 481 

 Registering I^rocess, New, Eric Gerard, 262 

 Reichenherg Industrial School, 495 

 Reid (Clement), Fruit of the Hornbeam, 262 

 Reinach (M. S.), Museum of the Emperor Augustus, 499 

 Relic, a, of Ancient Mexico, 262 

 Remains, Human and Animal, Discovered on the Arize, M. Ed. 



Piette, 456 

 Remarque au Snjet du Theoreme d'Euclide sur I'lnfinite du 



Nombre des Nombres Premiers, J. Perott, 310 

 Remora, Use of the, in Fishing, Dr. P. L. Sclater, F.R.S., 



295 

 Renaissance of British Mineralogy, 223 ; L. Fletcher, 115 ; Prof. 



W. N. Hartley, F.R.S., 149 



Renard (M. Alphonse), the Artificial Reproduction of Volcanic 



Rocks, 271 

 Rennu, Progress of Meteorology in France, 396 

 Rendiconti del Reale Istituto Lombardo, 571 

 Report of the Education Commission, Science and the, 348 

 Reptile, a New Permian Rhynchocephalian, Dr. Hermann 



Credner, G. A. Boulenger, 562 

 Reptilia and Batrachia Collections, Dr. A. B. Meyer, 257 

 Resal (M.A.), on a Point in the Question of Homogeneous 



Elastic Plaques, 335 

 Research Laboratory of the Royal College of Physicians, Edin- 

 burgh, 68 

 Researches on the Constitution of Azo- and Diazo-Derivatives, 



Compounds of the Naphthalene-)3-series, by Prof. R. Meldola, 



F.R.S., and G. T. Morgan, 453 

 Resin (M.), the Natives of Kamchatka, 420 

 Revue d' Anthropologic, 164, 499 

 Reynolds (Prof J. Emerson, F. K.S.), Report of Researches on 



Silicon Compounds and their Derivatives, 286 

 Rhynchocephalian Reptile, a New Permian, Dr. Hermann 



Credner, G. A. Houlanger, 562 

 Ribiere (M.), Elastic Equilibrium of Arches Forming Arcs of 



Circles, 528 

 Ribs in Man, Eight True, Prof D. J. Cunningham, 248 

 Ricc6(Prof), Sun-spot Minimum, 567 

 Richter (Dr. Eduard), Die Gletscher der Ostalpen, Prof T. G. 



Bonney, F.R.S., 361 

 Rideal (Dr. Samuel), Practical Inorganic Chemistry, 485 

 Riesengebir-re, Subterranean River Discovered in the, 185 

 Riggenbach (Dr.), Photography of Cirrus Clouds, 112 

 Riley (Prof C. V.), Systematic Relations of Platypsyllus as 



Determined by the Larva, 94 

 Rime, a Remarkable, Annie Ley, 270, 342 ; M. H. Maw, 295 ; 



E. J. Lowe, F.K.S., 319 ; E. Brown, 342 

 Ring, Bishop's, T. W. Backhouse, 412 



Rings, Saturn's, Keeler on, 546 ; Spectrum of, J. Norman 



Lockyer, F.R S., 564 

 Rink (Dr.), the Glaciers of Greenland, 138 

 Ritigala, Ceylon, Lr. Trimen and A. P. Green, 468 

 Ritter (Dr.), Action of the Ultra- Violet Rays of Light on 



Electric Discharges, 288 

 River, Subterranean, Discovered, in the Riesengebii^e, 185 

 Rivers, Temperature Observations in. Dr. Hugh Robert Mill, 



412 

 Rivers through Tidal Estuaries, the Principles of Training, L. 



F. Vernon- Harcourt, 430 



Riviere (Emile), Discovery of a New Quaternary Station in 

 Dordogne, 407 



Rivista Scientifico-Industriale, 94, 262, 405, 477, 571 



Roberts (E. D.), Gresham College, 29 



Roberts (Isaac) : Nebulae of Orion, Andromeda and the Pleiades, 

 326 ; Presentation of Photographing Reflecting Telescope to 

 Dunsink Observatory, 280 



Roberts- Austen (Prof. W. Chandler, F.R.S.): on some Curious 

 Properties of Metals and Alloys, 83 ; the Metallurgy of Gold, 

 M. Eissler, 100 



Robertson (G. H.), Butter Fat, 358 



Rock, Falls of, at Niagara, E. W. Claypole, 367 



Rock-forming Minerals, Frank Rutley, 78 



Rocks, the Artificial Reproduction of Volcanic Rocks, M. 

 Alphonse Renard, 271 ; Crystalline, of the Scottish High- 

 lands, 300 ; Highland Rocks, Prof. A. Geikie, F.R.S., 300; 

 Irish Rocks, G. H. Kinahan, 305 



Rocks and Soils, Prof John Wrightson, 292 ; the Origin, Com- 

 position and Characteristics of, Horace Edward Stockbridge, 

 292 



Rodriguez (J. ), a New Species of Laminaria, 569 



Rogozinski (M.), Return of, 593 



Rolfe (R. A.), Sexual Forms of Catasetum, 551 



Rolland (M.), Report on Madagascar, 450 



Rollet (E.), the Measurement of Large Bones of Human System, 

 192 



Romanes's (Prof G. J., F.R.S.) Paradox, W. T. Thiselton 

 Dyer, F.R.S., 7; the Senses, Instincts, and Intelligence of 

 Animals, with Special Reference to Insects, Sir John Lubbock, 

 F.R.S., 76; Mr. Dyer on Physiological Selection, 103; on 

 the Origin of Species, W. T. Thiselton Dyer, F.R.S., 126 ; 

 Natural Selection and the Origin of Species, 173 ; Mental Evolu- 

 tion in Man, Origin of Human Faculty, 313 



