XXXll 



Index 



V Supplement to Natttre, 



Silver Lodes and Salt Lakes, George Sutherland, 342 



Silver Mineral, a New, 89 



Sim (T. R. ), Hand-book of the Ferns of Kaffraria, J. G. Baker, 



F.R.S., 75 

 Sirius, Observations on the Motion of, Prof. Vogel, 355 

 Sirodot (M.), Relative Age of Quaternary Stratum of Mont 



Dol, 119 

 Sisley (Dr. Richard), Epidemic Influenza, R. Russell, 514 

 Skin-shedding, a Case of Periodical, Dr. J. Frank, 477 

 Skinner (S.), the Measurement of the Compressibility of 



Liquids, 94 

 Sky, Analysis of Light diffused by, A. Crova, 144 

 Sladen (W. Percy), the Zoological Station at Naples, 124 

 Slate (Frederick), Absolute and Gravitation Systems, 445 

 Sleep Movements in Plants, A. G. Tansley, 493 

 Sleich (Dr. ), Production of Local Anaesthesia by Subcutaneous 



Injection of Distilled Water, 452 

 Smith (B. Wpodd), Physical Religion, 249 

 Smith's (Charles) Elementary Algebra, Solutions of the 



Examples in, A. G. Cracknell, 444 

 Smith (Willoughby), Death and Obituary Notice of, 302 

 Smith (Prof. W. Robertson), the History of Human Marriage, 



Edward Westermarck, 270 

 Smithsonian Astro-physical Observatory, 254 

 Smithsonian Institution, Physical Observatory established at, 161 

 Smyth (Prof. Piazzi), on Two Series of Photographs, in the 

 Visible and Invisible, of the Violet of the Solar Spectrum, 191 

 Snal-e Poison and Strychnine, Antagonistic Action of. Dr. 



Mueller, 162 

 Snake in the Sea, Occurrence of the Ringed, J. Cowper, 



541 

 Snodgrass (W.), and Dr. John G. McKendrick, F.R.S., Note 

 on the Physiological Action of Carbon- Monoxide of Nickel, 

 70 

 Snow-Observation in Russia, Herr Berg, 113 

 Snowdon, Proposal by Sir Edward Watkin to place Electric 

 ^ Light on, 352 



Snowdrifts on Russian Railways, 389 

 Soames(Rev. H. A.), the Scientific Measurement of Children 



with Respect to Education, 114 

 Soaring of Birds, A. C. Baines, 520 

 Socieie d'Anthropologie de Paris, 452 

 Societe Botanique de France, 135 



Society of Arts, Fothergill Gold Medal for Fire Prevention, 

 135 ; Albert Medals for 1889 and 1890 presented to Sir F. A. 

 Abel, F.R.S , and W. H. Perkin, F.R.S., 301 

 Society for Psychical Research, 353 



Society for Preservation of Monuments of Ancient Egypt, 281 

 Solar Corona, Dr. J. M. Schaeberle, 300 ; Prof. J. Norman 



Lockyer, F.R. S., 300 

 Solar Corona, the Polarization Theory of the, Prof. Frank H. 



Bigelow, 355 

 Solar Observations from January to March, 1891, 90 

 Solar Observations, Prof. Tacchini, 453 

 Solar Parallax and its Related Constants, Prof. W. Harkness, 



Solar Phenomena during First Half of 189 1, Distribution in 



Latitude of, P. Tacchini, 488 

 Solar Prominences : Periodic Variations in the Latitude of. 



Prof. Ricco, 391 ; Photography of, and their Spectra, Prof. 



G. H. Hale, 391 ; Photography of, M. Deslandres, 438 ; 



Enormous Velocity of a, 416 ; Influence that Aberration of 



Light may exercise on Spectroscopic Observations of, 



M. Fizeau, 488 ; Influence of Aberration upon Observations 



of, M. Fizeau, 530 ; W. E. Wilson on the Absorption of 



Heat in the Solar Atmosphere, 453 ; Prof. Oliver J. Lodge, 



F.R.S., on Light in Modifying the Effect of the Gravitational 



Attraction of the Sun, 454 

 Solid and Liquid Particles in Clouds, John Aitken, F.R.S., on 



the, 279 

 Solution, Alum, Harry Napier Draper, 446 ; Ch. Ed. Guil- 



laume, 540; Shelford Bidwell, F.R.S., 565 

 Sommeil et le Systeme Nerveux, Le, S. Sergueyeff, 444 

 Sonden (M. ), Instrument for Optical Comparison of Transparent 



Liquids, 478 

 Sonnblick : Studies of Air-pressure and Temperature on Summit 



of. Dr. J. Hann, 112; Herren Elster and Geitel's Electric 



Observations on, 452 

 Sonnenschein (William Swan), the Best Books, a Contribution 



towards Systematic Bibliography, 5 



Sopwith {Thos., F.R;S.), with Excerpts from his Diary of Fifty- 

 seven \ ear>-, 590 

 Soul of Man, Dr. Paul Carus, 293 

 Sound, J. W. Goundry on an Instrument for giving Enharmonic 



Intervals in all Keys, 19 

 South*Africa, from Arab Domination to British Rule, 564 

 South African Museum, Rearrangement of Lepidoptera Col- 

 lection by Mr. R. Trimen, 207 

 South Kensington, Art Museum at, 388 

 South Kensington Museum, Visitors to, 450 

 Space, the Conditions of, Sydney Lupton, 210 

 Space, Sun's Motion in, A. M. Gierke, 572 

 Sparrows Nesting in Western India, Lieutenant H. E. Barnes, 



42 

 Sparrows and Hawk in New Zealand, T. W. Kirk, 529 

 Spectrum Analysis : the Draper Catalogue of Stellar Spectra, 

 89 ; Photo-Stellar Spectra, Rev. Dr. T. E. Kspin, 133 ; the 

 Spectra of Double Stars, Prof. E. C. Pickering, 138 ; on 

 Two Series of Photographs, in the Visible and the Invisible, 

 ofthe Violet of Solar Spectrum, Prof. Piazzi Smyth, 191 ; Use 

 of a Monobromnaphtalin in Study of Ultra-violet Rays, Herr 

 Wolter, 207; Photo-Stellar Spectra, Prof. Edward C. 

 Pickering, 223 ; Stars having Peculiar Spectra, Prof. E. C. 

 Pickering, 305, 438 : Liquid Prisms, Prof. W. N. Hartley, 

 F.R.S., 273; Spectrum of /3 Lyras, Prof. E. C. Pickering, 

 355 ; Inaugural Address by Dr. William Huggins at the 

 Cardiff Meeting of the British Association, 372 ; Photography 

 of Solar Prominences and their Sptctra, Prof. G. H. Hale, 

 391 ; Dr. Johnstone Stoney, F.R.S., on Double Lines in the 

 Spectra ol Gase«, 454 ; Spectroscopic Observations of Solar 

 Prominences, Influence that Aberration of Light may exer- 

 cise on, M. Fizeau, 488; Lightning Spectra, W. E. Wood, 

 504 

 Spencer (Prof. W. B.), a New Sponge Worm Parasite, 120 

 Spiders : Propulsion of Silk by, 30 ; Mimicry in, E. Heckel, 



451 ; Sea Spiders, 49 

 Spinning Ring, Kight Rev. Bishop Reginald Courtenay, 106 ; 



Prof. Oliver J. Lodge, F.R.S., 106 

 Sphinx, Riddles of the, by a Troglodyte, 315 

 Sponge, Syiiute pulchella, a New Species of Calcareous, A. 



Dendy, 120 

 Staite and Petrie's (Messrs.) New Electrical Light, 327 

 Stalactite Cavern in Oregon, Discovery of Enormous, 258 

 Stalactite Caves in Tasmania, Discovery of, Mr. Morton, 576 

 Standards, Old, 280 



Standards of Weights and Measures, 280 

 Standards of 1758, the Discovery of the, 295 

 Stanley's (W. F. ) Phonometer, a New Form of Chronograph, 



Starlight Evenings, Telescopic Work for, W. F. Denning, 467 

 Stars : the Draper Catalogue of Stellar Spectra, 89 ; the Spectra 

 of Double Stars, Prof. E. C. Pickering, 138; Double Star 

 Observations, S. W. Burnham, 283; Double Stars, 631; 

 Theory of Shooting Stars, M. Callandreau, 168 ; the Stellar 

 Cluster X Persei, 259; Stars having Peculiar Spectra, Prof. 

 E. C. JPickering, 305, 438; Linear Arrangement of Stars, 

 478 ; Photographic Magnitudes of Stars, Dr. Scheiner, 526 ; 

 Two New Variable Stars, Rev. T. E. Espin, 578 



'Startling Colours and Noises, the Use of, Alfred O. Walker, 

 106 



Stas's Work in Atomic Weight Determination, 134 



Statistical Congress, International, 527 



Statistics of Population and Disease, George Blundell Longstaff, 4 



Steam, the Effect of an Electric Discharge upon the Condensa- 

 tion of Steam, Shelford Bidwell, F.R.S., 95 



Steel and Iron, the Passive State of, Thos. Andrews, F.R.S., 

 92 



Stefanescu (Prof. Gregoire), Sur I'Existence du Dinotherium en 

 Koumanie, 602 



Stekoulis (Dr.), on Quarantine, 367 



Stereoscope, Dr. Schobben's Lantern, 142 



Stevenson (Prof. J. J.), on the Relations of the Chemung and 

 Catskill on the Eastern Side of the Appalachian Basin, 471 



Stewart (Prof., F.R.S.), the Relationship between Plants and 

 Animals, 136 



Stillmann (W. J.), the Formation of Language, 106 



Stockholm Royal Academy <.f Sciences, 120, 264 



Stokes (Prof.), Optical Proof of Existence of Suspended Matter 

 in Flame, 263 



Stone Hammers, Primitive Man and, J. D. McGuire, 630 



