Naliirc, June (), 18S7] 



Tacchini (Prof.): Solar Activity in 1SS6, 44.5 ; Solar Obseiva- 



tions for the Second Half of tfie Year 1886, 335 ; Solar 



Phenomena during the Year 1886, 479 

 Taconic Rocks, 622 



Tails of the Comets of 18S6, Prof. Th. Bredichin, 474 

 Tait (Prof.), Kinetic Theory of Gases, 311 

 Talc, Sample of, used in Paper-making, Prof. Macadam, 423 

 Tamils communis, Walter Gardiner on, 454 

 Tartrate of Antimony, M. Guntz, 528 

 Tashkend, Earthquake at, 112, 399 

 Tasmania, the Birds of, 204 

 Tasmanian B'isheries, 233 

 Taste of Sweetness, a Plant which destroys the, W. T. Thisel- 



ton Dyer, F.R.S., 557 

 Taylor (Philip Meadows), Tobacco a Farmer's Crop, Prof. John 



Wrightson, 52 

 Tchesme, Earthquake at, 112 

 Tea-Planter's Manual, T. C. Owen, 26S 

 Technical Education, 592 ; Mr. Girling, 567 ; and the House of 



Commons, Mr. Howell, 326 

 Technical School at Bombay, 206 

 Telegraph Wires, Propagation of Electricity in, Ed. Hagenbach, 



Telegraphic Determinations of Australian Longitudes, 474 



Telephone, on the Limiting Distance of Speech by, W. H. 

 Preece, F. U.S. , 501 



Telephone Line from Paris to London, Proposed, 544 



Telephonic Line between Paris and Brussels, Proposed, 133 



Telescope of the Bischoffsheim Observatory, the Great Refracting, 

 84 



Telescope, Hours with a Three-Inch, Capt. W m. Noble, 246 



Tenipel (Wilhelm), Observations of Nebula; at Arcetri, igS 



Temperature: Hij;h, in October, Charles Harding, iS ; Critical 

 Temperatures of Nitrogen and O.xygen, 331 ; Influence of 

 Temperature on the Heat of Dissolution of Salts, Prof S. U. 

 Pickering, 453 ; Continuous Transition from the Liquid to the 

 Gaseous State of Matter at all Temperatures, 478 ; Tempera- 

 tures of the Atlantic Coast Waters, Charts showing, 495 ; on 

 the Distribution of Temperature in the Antarctic Ocean, J. Y. 

 Buchanan, 516 ; Changes of Temperature to which the Lower 

 Forms of Organisms can be adapted by Slow Modifications, Dr. 

 Dallinger, F. R.S., 550; Temperature off Cape Horn, $(>% ; 



. Influence of Extremes of Temperature on the Colour of the 

 Blood, 576 ; Temperature and Pressure in Jamaica, Maxwell 

 Hall, 437 ; Vertical Decrement of Temperature and Pressure, 

 S. A. Hill, 606 



Temple Observatory, Mr. Seabroke, 401 



Ten Years' Progress in Astronomy, Prof. C. A. Young, 67, 86, 

 "7 



Tepper (J. G. Otto), Native Plants of South Australia, 205 



Tercentenary, the Potato, 175 



Terrestrial Crust, on the Conditions of Form and Density, 

 120 



Terrestrial Radius, Contraction of the, 479 



Testing Materials, on some New Measuring-Instruments used 

 in. Prof W. C. Unwin, F.R.S., 334 



Tetrachloride of Carbon, on the Action of, on Chlorochromic 

 Acid and the Phosphates of Sesquioxide, M. H. Quantin, 



335 

 Tetuan, Exploration of, 232 

 Texture of Massive Rocks, 3S1 

 Theine, Action of CaCfein and, upon Voluntary Muscle, T. 



Lauder Branton, F.R.S., 599 

 Theory of Numbers, 477 

 Thermometer, New Form of Standard Mercurial, Dr. Pernet, 



600 

 Thermometers, on the Internal Capacity of, A. W. Clayden, 



94 , . 



Thiesen (Dr.), Resistance of Air, 408 ; on the Standard Kdo- 

 gramme, 408 



Thollon (M.), Death of, 592 



Thome (Mr.), New Comet, 307 



Thompson (Mrs. Elizabeth), Fund for the Endowment of Re- 

 search, 471 



Thompson (Joseph), the Owens College, 385 



Thompson (Prof Silvanus P.) : on the Cutting of Polarising 

 Prisms, 184 ; Electricity and Clocks, 224 ; Electric Motor 

 and its Applications, T. C. Martin and Jos. Wetzler, 410 



Thomson (Sir William, F.R.S.), the Sun's Heat, 297 



Thorpe (Prof T. E., F.R.S.) : Explosions in Coal-Mines, W. N. 

 and J. B. Atkinson, I ; the Life and Labours of John Mercer, 

 F. R. .S., Edward A. Parnell, 145 ; on certain Modern De- 

 velopments of Graham's Ideas concerning the Constitution of 

 Matter, 522, 547 

 Thouar's Exploration of Bolivia, 231 

 Throat, Various Effects of Irritation in the, 575 

 Throndhjem, in Norway, Display of Aurora Borealis at, 112 

 Thunderstorm, on the Formation of a. Prof, von Helmholtz, 24 

 Thunderstorms of July 1884, Investigations into. Prof. Bornstein, 



24 

 Thunderstorms, Dr. Hann's Observations on, 112 

 Thylacolio carnifex. Sir Richard Owen, F.R.S., in, 142 

 Tibet, Lu River of. Gen. J. T. Walker, F.R.S., 615 

 Tidal Friction and the Evolution of a Satellite, James Nolan, 



75 



Tides of Long Period, on the Dynamical Theory of the, G. H. 

 Darwin, F.K.S., 287 



Tilden (Prof), on the Nature of Solution, 21, 64 



Tillo (A. C. von). Magnetic Horizontal Intensity in Northern 

 Siberia, 170 



Time, an Apparatus by which, may be communicated to Per- 

 formers out of the Conductor's Sight, 120 



Tin, Deposits of, 455 



Tin Mines near Meshed, M. OgorodnikofF, 376 



Tinguians of the Philippine Islands, 446 



Tippoo Tip and the Emin Pasha Expedition, 402 



Tissues, Vegetable, on the Effect of certain Stimuli on, Anna 

 Bateson and Prof. Francis Darwin, F.R. S., 429 



Tobacco : a Farmer's Crop, Philip Meadows Taylor, Prof John 

 Wrightson, 52 ; Cultivation of, in England and Ireland, 



443 

 Todhunter (Isaac, F. R.S.), History of the Theory of Elasticity, 



A. G. Greenhill, 313 

 Toes, Observations on Heredity in Cats with an Abnormal 



Number of, Edward B. Poulton, 38 

 Tokutaro Ito, Tabasheer, 462 

 Tolmie (Dr. W. F.), Death of, 22S 



Tomlinson (Herbert), the Coefficient of Viscosity of Air, 165 

 Topaz from Thomas Range, Utah, A. N. Ailing, 452 

 Top-shaped Hailstones, C. S. Aliddlemiss, 413 : T. Spencer 



Smithson, 438 ; Alex. Johnstone, 536 

 Topinard (M. ), on the Simian Characters of the Naulette Jaw, 



Topley (W.), Erosion of the English Coasts, 37 

 Topography, Functional, of the Brain, Prof. Ferrier, 453 

 Torpedo Boats, 539 



Torpedoes, proposed Examination of, by Prof. Burdon Sander- 

 son and Mr. Gotch, 132 

 Total Solar Eclipse of August 29, 18S6, Arthur Schuster, F.R.S., 



549 

 Towns, Ozone Papers in. Dr. W. J. Black, 76 

 Traill (Dr. William), of Woodwick, Obituary Notice of, 419 

 Train lighted by Electricity, 595 

 Trains of Pulleys and Drums, Prof H. Hennessy, F. R. S., 



452 

 Transmission of Power by Compressed Air, 272 

 Traube-Hering Curves, 576 



TrcciU (M.A.), on the Term " L.atex" in Botany, 600 

 Trees, Planting of Foreign, in New England, 519 

 Trewendt's Encyclopcedia of Natural Sciences, 58 

 Triassic Formation of the Connecticut Valley, 141 

 Tribes of the Nile Valley North of Khartoum, Sir Chas. Wilson 



on, 431 

 Trimen (Dr. H.), Hermann's "Ceylon Herbarium" and 



Linneeus's " Flora Zeylanica," 166 

 Tripos, Mathematical, Prof J. W. L. Glaisher, F.R.S., loi, 



153, 199 

 Tripos, on the Eariier, of the University of Cambridge, Sir 



G. B. Airy, F.R.S., 397 

 Tropical and Extra- Tropical Cyclones, on the Relation between, 



Hon. Ralph Abercromby, 430 

 Trout: Brook, Spawning of, 16; Lochleven, Dr. Day, 166; 



an " Egg-bound," 231 

 Tunicata, on the Colonial Vascular System of the, 336 

 Tuning-Fork of Variable Pitch of Tone, 3S3 

 Tylciuhus /wrdci, Herr Schoyen, 336 

 Tyndall (Dr.), the Retirement of, 560 

 Typhoons, Dr. Doberck, 36 



