560 
Index. 
Refraction Tables (Differential) for 
Latitudes 56° and 57°' 30, by the 
Hon. Lord M'Laren, 21. 
Refrigeration, Processes of, by J. J. 
Coleman, 38. 
Ring- Waves produced by throwing a 
Stone into Water, by Sir William 
Thomson, 37. 
Rowland (Professor), Photographs of 
the Solar Spectrum, 194. 
Sacco (Professor Federico) on the 
Origin of the Great Alpine Lakes, 
271. 
Salicylic Acid as an Agent for De- 
stroying Micro-Organisms, 99. 
Salmo levenensis , 263. 
Sang (Edward, LL.D.) on Cases of 
Instability in Open Structures, 106. 
on the Achromatism of a Four- 
Lens Eye-Piece : New Arrangement 
of the Lenses, 153. 
Effective Arrangement for ob- 
serving the Passage of the Sun’s 
Image across the Wires of a Tele- 
scope, 155. 
on the Minute Oscillations 
of a Uniform Flexible Chain hung 
by one End ; and on the Functions 
arising in the course of the In- 
quiry, 283. 
Scott (Alexander), on some Vapour 
Densities at High Temperatures, 410. 
Segmental Duct. — Note on the Epi- 
blastic Origin of the Segmental 
Duct in Teleostean Fishes and in 
Birds, by George Brook, 368. 
Sensation, Objective Cause of. Part 
III. Sense of Smell, by Professor J. 
Berry Haycraft, 207. 
Sepia officinalis, 230. 
Sharpe (Rev. H. J.), Motion of Com- 
pound Bodies through Liquid, 29. 
Sinclair (D. S.), Experimental Re- 
search in Magnetism, 194. 
Smell, Sense of, by Professor John 
Berry Haycraft, 207. 
Solar Radiation, by John Aitken, 
118. 
Solar Spectrum. — The Influence of 
certain Rays of the Solar Spectrum 
on Root- Absorption and the Growth 
of Plants, by Dr A. B. Griffiths 
and Mrs A. B. Griffiths, 125. 
Professor Rowland’s Photo- 
graphs of the Solar Spectrum, 194. 
Solution, Laws of, by W. Durham, 
381. 
Space. — On Even Distribution of 
Points in Space, by Professor Tait, 
Spheres (Non elastic). See Burnside, 
Professor W. 
Sprague (T. B.) on the Probability 
that a Marriage entered into by a 
Man of any Age, will be Fruitful, 
327. 
St Abb’s Head, Geology and Petro- 
logy of, by Professor Geikie, 177. 
Sterilising Oven, Mrs Griffith’s Form 
of, 105. 
Stewart (G. N.) on the Effect 
produced on the Polarization of 
Nerve by Stimulation 205. 
Stewart (Professor Grainger) on the 
Discharge of Albumen from the 
Kidneys of Healthy People, 240. 
Strophanthin, the Chemistry of, by 
Professor Thomas R. Fraser, 370. 
Sulphates (Double), Instability of, by 
Professor W. Dittmar, 219. 
Sun’s Image. — Effective Arrangement 
for observing the Passage of the 
Sun’s Image across the Wires of a 
Telescope, by Dr Edward Sang, 
155. 
Tait (Professor) on the Foundations 
of the Kinetic Theory of Gases. 
Part II., 21, 46. 
on Even Distribution of Points 
in Space, 37. 
on the General Effects of 
Molecular Attraction of Small 
Range on the Behaviour of a 
Group of Smooth Impinging 
Spheres, 85. 
on the Effects of Explosives, 
110 . 
on Glories, 358. 
Further Determinations of the 
Effect of Pressure on the Maximum 
Density Point of Water, 110. 
on the Compressibility of 
Water, of Mercury, and of Glass, 
419. 
Teleostean Fishes, Epiblastic Origin 
of, by George Brook, 368. 
Tests in Determining the Purity of 
Water, by A. W. Hare, M.B., 
306. 
Thermal Conductivity of Iron, Copper, 
and German Silver, by A. C. 
Mitchell, 327. 
Thermal Windrose at Ben Nevis Ob- 
servatory, by A. Rankine, 416. 
Thermodynamics.— Laplace’s Nebular 
Theory, considered in relation to 
Thermodynamics, by Sir William 
Thomson, 121. 
Thermometer Screens, Part IV., by 
John Aitken, 53, 428. 
