Nature, J 
December 14, 1899 
Lndex 
XXXII 
Strukturen, Untersuchungen iiber, O. Biitschli, 124 
Stuart-Menteath (Charles G.), Is Insusceptibility to Vaccine 
produced by Small-pox, 436 
Subjective Impressions due to Retinal Fatigue, W. J. Millar, 
I 
Substitution, on Laws of, especially in Benzenoid Compounds, 
Prof. Armstrong, 609 
Sudan, the Forests of the, Sir William Garstin, 401 
Suess (Prof.), Torsion Structure in the Alps, 443 
Sugar Cane, the Improvement of the, by Chemical Selection 
upon Sir W. Thiselton-Dyer’s Method, 375 
Sun: Partial Eclipse of the, June 7, 63; the Total Eclipse of 
the Sun, May 1900, C. H. Davis, 133; the Sun’s Heat, Prof. 
T. J. J. See, 402; Blue Ray of Sunrise over Mont Blanc, 
Lord Kelvin, F.R.S., 411; the Indian Eclipse 1898, E. W. 
Maunder, 489 ; the Story of Eclipses, G. F. Chambers, 489 ; 
the Rotation of the Sun, C. A. Schultz Steinheil, 577; the 
Maintenance of Solar Energy, 615 
Sundorph (T.), Cause of Change in Conductivity of Metallic 
Powder, 456 
Supan (Dr.), the Results of the Va/dvia Expedition, 114 
Surgery: Obituary Notice of Surgeon-Major G. C. Wallich, 
13; a Manual of Surgical Treatment, W. Watson Cheyne, 
F.R.S., and F. F. Burghard, 291 ; Surgery and the Rontgen 
Rays, Dr. C. M. Moullin, 426 
Swift’s Comet (1899 a), 18, 38, 88, 114,:136, 161, 186, 260, 354, 
Prof. E. E. Barnard, 231 ; Prof. C. D. Perrine, 231 
Swinton (A. A. C.), Luminosity of Rare Earths heated in 
Vacuo by Kathode Rays, 69 ; an Improved Liquid Interrupter 
for Induction Coils, 226 
Switzerland: Visit of the Institution of Electrical Engineers to 
Switzerland, Prof. Richard Threlfall, F.R.S., 578 
Sykes (Mark L.), Natural Selection in the Lepidoptera, 222 
Symbiotic Fermentation, Prof. Marshall Ward, 609; Sir Henry 
Roscoe, 609; Prof. Armstrong, 609; M. Van Laar, 609 ; 
Industrial Symbiotic Fermentation, Dr. Calmette, 609 
Symington (Prof. Johnson), on the Morphology of the Car- 
tilages of the Monotreme Larynx, 631 
Symons (Mr.), Meteorological Extremes, 308; Influence of 
Altitude on Rainfall, 400 
Symons’s Monthly Meteorological Magazine, 90, 212, 308 
Szarvasy (E. C.), New Compound of Arsenic and Tellurium, 
71 
Szily (Coloman de), Effect of Torsion on Resistance of Wires, 
352 
Tables and Data, W. W. F. Pullen, 567 
Tables, Mathematical, James P. Wrapson, W. W. Haldane 
Gee, 590 
Tables, Precession, Dr. Downing, 538 
Tabley (the Late Lord de), the Flora of Cheshire, 100 
Taff (J. A.), an Albertite-like Asphalt, 516 
Tait (Prof. Peter Guthrie), Scientific Papers, 98 
Tammann (G.), Limits of Solid State, 540 
Tasmania, Cave Shelters and the Aborigines of, H. Ling Roth, 
4 
Tea vem : Apercus de Taxinomie Générale, J. P. Durand (de 
Gros), 489 
Taylor (A. E.), Psychologische Untersuchungen iiber des Lesen, 
172 ; the Story of the Mind, 172 
Taylor (R. L.), Chemistry for Continuation Schools, 411 
Taylor (T. H.), on the Embryology of the Polyzoa, 631 
Tchistovitch (Dr. T. H.), the Mechanism of Immunity, 302 
Tebbutt’s (Mr.), Observatory, 377 
Technical Education: Report of the London Technical Educa- 
tion Board, 141 
Telegony, Experimental Investigations in, Prof. J. C. Ewart, 
F.R.S., 330 
Telegraphy: the Life Story of the late Sir Charles Tilston 
Bright, with which is incorporated the Story of the Atlantic 
Cable and the First Telegraph to India and the Colonies, 
Edward Brailsford Bright and Charles Bright, 613 
Telegraphy, a new System of, 548 
Telegraphy, Wireless, Prof. D. E. Hughes, 35 
Telegraphy, Wireless, between two Balloons, 278 
Telescopy: Method of Setting a Collimator, G. Lippmann, 
35 
Tempel’s Comet 1899 ¢ (1873 II.), 18, 38, 114, 161, 186, 207, 
232, 260, 281, 301, 330, M. L. Schulhof, 63 
Peigeemare Changes in Yerkes Object-glass, Prof. Barnard, 
281 
Temperature, Preliminary Results of a Research on the 
Nenatee of the Specific Heat of Water with, Prof. Callendar, 
595 
Temperature, Causes of Secular Variations of, at Earth’s Surface, 
Prof. Arrhenius, 184 
Temperature—Entropy Diagram, the, J. Boulvin, Prof. John 
Perry, F.R.S., 3 
Temperatures in Gaseous Nebule, F. E. Nipher, 377 
Tennant (W. J.), the Slide Valve Simply Explained, 149 
Terrestrial Gegenschein, the, Prof. S. Newcomb, 544 
Thatsachen und Auslegungen in Bezug auf Regeneration, August 
Weismann, 242 
Theory of the Earth, with Proofs and Illustrations, James 
Hutton, Prof. T. G. Bonney, F.R.S., 220 
Theory of Reality, a, Prof. George Trumbull Ladd, 270 
Therapeutics : Why People go to Spas, Dr. Wilfrid Edgecombe, 
416 
Thermal Conductivities of Various Metals, a Lecture Experi- 
ment on the Relative, Edwin Edser, 244 
Thermodynamics: the Entropy Diagram and its Applications, 
J. Boulvin, Prof. John Perry, F.R.S., 3 
Thermo-electric Properties of an Alloy containing Iron 68°8 per 
cent., Nickel 25:0, Manganese 5°0, and Carbon 1°2, Prof. W. 
F. Barrett, 586 
Thermometers, Comparison of Platinum and Gas Thermometers, 
Drs. J. A. Harker and P. Chappius, 238 
Thermometers, on the Use of the Fahrenheit Scale for Observ- 
ations on Sea Temperatures, William S. Bruce, 545 
Thermometric Scales for Meteorological Use, J. Y. Buchanan, 
F.R.S., 364; H. Helm Clayton, 491 
Theim (Dr.), the Ignition of Fire-damp by Electricity, 350 
Thiselton-Dyer (Sir William, F.R.S.), Flora Capensis : being a 
Systematic Description of the Plants of the Cape Colony, 
Caffraria and Port Natal (and Neighbouring Territories) by 
Various Botanists, 337 ; Flora of Tropical Africa, 337; the 
Improvement of the Sugar-Cane by Chemical Selection upon 
the Method of, Sir William Thiselton-Dyer, 375 
Thomas (V.), Mixed Halogen Salts of Lead,g5; Action of 
Ferric Chloride on Paradibromobenzene, 240 
Thompson (Mrs. Elizabeth), Death of, 350 
Thompson (J. O.), Experiments on Fatigue of Metals, 86 
Thompson (Silvanus P., F.R.S.), Michael Faraday, his Life 
and Work, 123 
Thomson (Prof. Arthur), How Natural Curliness of the Hair is 
Produced, 44 
Thomson (Prof. Elihu), the Field of Physical Experimental 
Research, 515 
Thomson (Prof. J. J.), on the Existence of Masses smaller than 
the Atoms, 586 
Thorndike (Dr. E.), Experiments on Chicks, 112 
Thorne (Sir Richard Thorne, K.C.B., F.R.S.), the Ad- 
ministrative Control of Tuberculosis, 73 
Thornhill (Mark), Haunts and Hobbies of an Indian Official, 5 
Thorp (Frank Hall), Outlines of Industrial Chemistry, 27 
Thorpe (Prof. T. E., F.R.S.), Lead Compounds in Pottery 
Glazes, 18 
Three Bodies, Report on the Problem of, E. T. Whittaker, 
584 
Threlfall (Prof. R., F.R.S.), Quartz Thread Gravity Balance, 
69; a Portable Gravity Balance, 587; Visit of Institution of 
Electrical Engineers to Switzerland, 578; the Rheinfelden 
Power Station, 579; the Oerlikon Power Works, 579; the 
Selnau Transformer Station, 579; the Ziirich Polytechnicum, 
580; the Kander Power Station, 580; the Burgdorf-Thun 
Railway, 580; Platinum Thermometry, 587 
“Thunder”’-storm, the so-called ; Prevalence of Anticyclones, 
366 
Tick-Fever, Protective Inoculation against, Frank Tidswell, 62 
Tickle (T.), Dimethyl-pyrone Chloride, 167 
Tides: the Bore at Moncton, Bay of Fundy, W. Bell Dawson, 
161; Tides of the Gulf and River St. Lawrence and Bay of 
Fundy, Sir J. W. Dawson, F.R.S., 291 ; Tides in the Bay of 
Fundy, W. H. Wheeler, 461; the Tides Simply Explained 
with Practical Hints to Mariners, Prof. J. H. S. Moxly, 340 
Tidswell (Frank), Protective Inoculation against Tick-fever, 62 
Tilden (Prof. W. A.), a Short History of the Progress of Scien- 
tific Chemistry in our own Times, 387 ; Proposal to establish 
an International Committee on Atomic Weights, 609 
