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Smith (Prof. H. J. S.) on the Focal Properties of Two Correlative Figures (Mathematical Society),

Smyth (Prof. Piazzi) at the Great Pyramid, ; report of his Paper on Supra-annual Cycles of Temperature in the Earth's Surface Crust,

Snake Bites, Treatment of,

Societies, Learned. (See for London under the heads Asiatic, Ethnological, Royal, and the like. Otherwise the places of meeting, as Edinburgh, Paris, Philadelphia.)

Soda in Plants, ; Old Atomic Weight of,

Sodium, Action of, an Acetic Ether,

Solar Eclipse (see Eclipses); Prominences, ; Radiation, ; Spots, ,

Sorby (H. C.) on Remarkable Spectra of Compounds of Zirconia and Uranium,

Southwell (T.) on the Flight of Birds,

Spectra of the Metals, Thalen's Map of,

Spectroscopic Examination of Diatoms,

Spectroscopic Observations of the Sun, ; Paper on, at the Royal Society, by Mr. Lockyer,

Spectrum Analysis, by Prof. Roscoe,

Spencer (Herbert) on Where are the Nebulæ?

Sphærodus Gigas,

Spinal Cord, Regeneration of, ,

Sport, English, in the Fifteenth Century, by the Rev. C. J. Robinson,

Stadt (H. v.), Personal Equation of Astronomical Observers,

Stalactites, Notes on, by C. Roberts,

Stannous Chloride and Acids of Arsenic,

Star Atlas, New,

Star-Drift, Mr. Proctor on,

Stars, Heating Powers of,

Star Shower, Prof. Newton, of Yale, on, ; Father Secchi on, ; as seen in California,

Statistical Society,, ,

Stenosaurus, Discovery of,

Sterland (W. J.) on Cuckows' Eggs, ,

Stewart (Dr. Balfour) on Physical Meteorology,, , ; on Terrestrial Magnetism, , on What is Energy? ; Results of the Monthly Observations of Dip and Horizontal Force made at Kew,

Stewart's (Dr. Balfour) Meteorological Blockade, by Professor Sir W. Thomson, F.R.S.,

Stewart's Sorghum and its Products,

Stone Age, The, in Egypt,

Strobel (Prof.) on the the Paraderos of Patagonia,

Stuart (J.) on Scientific Education at Cambridge, ; on Lectures to Working Men, ; on the Diffraction Spectrum and Wave-Lengths,

Suez Canal, ,

Sullivan (Prof) on the Beds of Thenardite of the Valley of Jarama (Irish Academy),

Sulphide of Carbon, Disinfection of,

Sulphuric Anhydride,

Sulphur in Sicily,

Sunday Lectures,

Sun's Altitude, Paper on, by Professor Roscoe and Dr. Thorpe, ; Chromosphere, ; Spectroscopic Observations,

Sylvester (Professor), Plea for the Mathematician,, ; on Kant's View of Space, , ; on the Rotation of a Rigid Body, ; an After-Dinner Experiment,

Syro-Egyptian Society, ,

Tait (Prof.) on the Progress of Natural Philosophy,

Tasmanians, Origin of,

Taylor, Sedley, on Analogy of Colour and Sound, ; on Professor Tyndall's Exposition of Helmholtz's Theory of Musical Consonance, ,

Technical Education,

Telegraphic Communication with Florence,

Telegraphs, State,

Telescope, New, at Eton, by H. G. Madan, ; the Newall, ; the Melbourne, ,

Temperature and Animal Life of the Deep Sea, by Dr. Carpenter;, ,

Temple, Dr.,

Temple's Comet,

Tests, University,

Thalen's New Map of the Spectra of the Metals,

Thallium Salts, , Thames Subway, The, by J. Prestwich, F.R.S.

Thompson (George C.), How large seems the Moon?

Thompson (W. G.) on the Formation of Ground Ice,

Thomson (Prof. Wyville) on the Food of Oceanic Animals,

Thomson (Sir W.) and Geological Time,, ,

Thomson (Prof. Sir William) on Dr. Balfour Stewart's Meteorological Blockade, ; on the Conducting Quality of Copper Wire,

Thrace, Geology of,

Tinné (Miss), Murder of,

Tithonian Stage, the,

Trécul (M.) on Ferns (Paris Academy), ,

Triassic Dinosauria, Prof. Huxley on,

Tucker (R.) on Euclid as a Text Book, ,

Tuckwell (Rev. W.) on Science Teaching in Schools, ; on the Red-necked Grebe,

Turdus Whitei, Mr. Bidgood's letters on,

Tylor (E. B.) on Prehistoric Times,

Tyndall (Prof.) on Haze and Dust, ; on the Death of Professor Magnus, ; on the Action of Light on Gases,

Unger (Prof.) on Anthracite Deposits in Carinthia,

Universe, The,

University College, London, Science at,

Uranium, Preparation of, ; Oxides of,

Valentiner's Practical Astronomy and Geodesy,

Vanadium, Prof. Roscoe's Paper on (Report),

Van Gorkom's (J. W.) Cinchona Plantations in Java,

Variety and Species (Letter),

Vegetable Palæontology, by Dr. J. D. Hooker,

Venus, Transits of,, ; Mr. Proctor's Letter on,

Vertebrate Epiderimis,

Victoria Regia,

Vienna: Imperial Academy of Sciences,, , , , , , , ; Imperial Geological Institution, , ,

Vines of France,

Virchow (Prof) on Comparative Measurements of Crania,

Voekker's (Dr.) Address to the Chemical Society,

Vogt (Prof.) on a Microcephalous Subject,

Wallace (A. R.), Origin of Species Controversy,, ; on Government Aid to Science, , ; on the Measurement of Geological Time, , ; on Hereditary Genius,

Waller (Horace) on Dust and Disease,

Wallich (Dr.) on the Food of Oceanic Animals,

Warsop, Aero-Steam Engine,

Water, the Abuse of, ; Mechanical Properties of, by T. Login, ,

Weeds in newly-turned Ground (Letter),

Wellington, Caves at,

Wellington, Philosophical Society of New Zealand,

Welsh Fasting Girl,

Whales, Stranded,, ,

Whitaker (Charles W.) on the Work of the Sea,

Whymper (E.) on the Veined Structure of Glaciers,

Williamson (Prof.) on the late Prof. Graham,

Wilson (J. M.) on the Corona, ; on Sir W. Thomson and Geological Time, ; un the Surface Deposits in the Neighhourbood of Rugby,

Wine, colouring Matter of, ; Pasteur’s Patent for preserving, ,

Wood (Searles V.), Report of his Paper on Boulder Clay (Geological Society), ; on Professor Huxley's Address,

Woodward's Chemical Exercises,

Woodward (H.) on Geology and Agriculture,

Working Men's Club,, ; College,

Workmen, Employment of, by G. Gore, F.R.S.,

World of the Sea, by the Rev. Canon Kingsley,

Wormell (Richd.), Modern Geometry and the University of London,

Yarkand and Kasgar, Report of Mr. Shaw's Visit to,

Young (Prof.) on the American Eclipse,

Zincke on the Synthesis of Aromatic Acids,

Zirconia, Spectra of,

Zoological Society,, , , , , , , ,