XV1U 



[Nature, May 27, 1S80 



Texas, the "Parasol" Ants of, How they Cut and Carry 

 Leaves, Origin of Castes by Evolution, G. T. Bettany, 17 



Thermo-Electric Behaviour of Aqueous Solutions with Mer- 

 curial Electrodes, G. Gore, F.K.S., 169 



Thessalian Olympus, Herr M. Neumayr on, 192 



Thiers (M.), the £loge on, 71 



Thomas (Cyrus), "Noxious and Beneficial Insects of the State 

 of Illinois," 367 



Thompson (Prof. Silvanus P.), his Monograph on Binaural 

 Audition, 21 ; on Rood's "Modern Chromatics, with Appli- 

 cations to Art and Industry," 78; Plante's Researches in 

 Electricity, 150; Distinguishing Eights for Lighthouses, 154; 

 Researches on Telephone Vibrations, 180; Artisan Reports 

 on the Paris Exhibition of 1878, 397 ; Spectral Shadow on 

 Mist, 216 



Thompson (W.), Intellect in Brutes 3 2 4 



Thomron (David), Death of, 329 



Thomson (J. S.), Meteor, 303 



Thomson (Sir \\m., F.K.S.), Distinguishing Lights for Light- 

 houses, 109 



Thomson (Sir Wyville, F.R.S.), Elasmopoda (Hjalmar Theel), 

 a New Order of Holothuridea, 470 



Thought, Unconscious, Hyde Clarke, 202 



Thunderer Gun Experiments, 139, 162, 286 ; the Explosion, 



329. 357. 437 

 Thunderstorm in Dharwar, 610 

 Thury (Prof.) on Astronomical Observations, 474 

 Tidal Friction, Erratum in Paper on, G. H. Darwin, F.R.S., 



276 

 Tidal Phenomenon in Lake Constance, Samuel J. Capper, 397 ; 



Dr. F. A. Forel, 443 

 Tidal Problem, 1S6 

 Tides, on the Secular Changes in the Elements of the Orbit of 



a Satellite Revolving about a Planet Distorted by, G. II. 



Darwin, F.R.S., 235 

 Tidy (Prof.), on River Water, 507 

 Times, the, on British Birds, 260 

 Timor, Exploration of, D. A. It. Meyer, 108 

 " Tin Trade, a History of," P. W. Flower, 345 

 Titanomorphite, 425 



Tjagin's (Lieut.) Sojourn in Novaya Zemlya, 165 

 Tohacco, Spurious, 525 



Todd (D. P.), Solar Parallax from the Velocity of Light, 331 

 Torrey Botanical Club, 89 

 Tomlinson (S.), Principles of Agriculture, 466 

 Topler (Prof.), Electric Machine, 21 

 "Topophone," Prof. Alfred M. Mayer's, 385 

 Tosa, Coral Dredged up near, 285 

 " Toughened " Glass and Leyden Jars, 526 

 " Tour du Monde," M. E. Levasseur's, Instructive Geographical 



Game, 237 

 Trans- Atlantic Longitudes, C. V. Patterson on, 467 

 Transit of Venus Expedition, Natural History of, 259 

 Transver-e Vibrations of Light, on a Mode of Explaining the, 



S. Tolver Preston, 256 ; Lewis Wright, 370 

 Transverse Propagation of Light, W. M. Hicks, 301 ; S. Tolver 



Pi est in, 369 

 Traqnair (Dr. R. H.), the Platysomid Fishes, 55; Fossil Fishes 



of Scotland, 428 

 Trees, Relative Growth of the Trunks of, 265 

 Trevelyan " Rocker," Prof. Barrett on the, 426, 507 

 Triangulat ion, a Feat in, 157 

 Triassic Footprints, Searles V. Wood, Jun., 347 

 Trieste Zoological Station, Prof. Claus's Report on the Work 



done at the, 163 

 Trimen (Dr. Henry), John Miers, 11 

 "Triple Objectives with Complete Colour Correction," Prof. C. 



S. Hastings on, 243 

 Tropics, Rainfall in the, Dr. A. Woeikof, 347 

 Tsuruga and Sbiwotsu, New Railway between, 190 

 Tucker (R.), C. F. Gauss, 467 

 Tumuli in Austria, 457 



Tuning Fork, a Self- Resonant, 72 ; the Influence of Tempera- 

 ture on, Herr Kavser on, 243 

 Turin : Royal Academy of Sciences, the Bressa Prize awarded 



to Chas. Darwin, 306 

 Turkistan, Year-Book for, 22 

 Turkomans, bv A. II. Keane, 110 

 Turnbull (James), [ntel'ect in Rrutes, 12 

 Two Ocean Pas-, Dr. V. V. Haydtn on, 287 



Tylor (Dr. E. B., F.R.S.), Recent Progress in Anthropology, 



380; on the Origin of the Plough, 459 

 Typhoons, the Chinese, 141 ; E. Knipping's Account of, 142 



Uganda and its People, 619 



Unconscious Cerebration, Hyde Clarke, 81, 202 



United States, the Missouri Weather Service, 142 ; Magnetic 



Survey of Missouri, 142 ; National Academy, Wm C. 



Wyckoff, 143; Geological Survey of, 197, 332; Prof. Arch. 



Geikie, F.R.S., 612 ; Survey Maps, 165 ; Weather Maps of, 



304, 381, 565 ; Telephone Exchange in the, 495 

 Universities, ibe Functions of, and Prof. Max Muller, 13 

 University and Educational Intelligence, 26, 50, 73, 98, 146, 



217, 289, 314, 338, 36c. 3S6, 410, 432, 505, 625 

 Ural Crayfish, M. Malakhoffon the, 454 

 Uralium, M. A. Guyard's Discovery of the New Metal, 187 

 " Uranometria Argentina," 91, 240 

 Urari, the I leadly Arrow Poison of the Macusis, Dr. R. Schom- 



burgk, 560 



Vacuum Discharge, on the Sensitive State of, W. Spottiswoode, 

 P.R.S., and J. F. Moulton, 626 



Vaporisation, a Method of Calculating the Expansion of a 

 Substance on, W. J. Sollas, 492 



Varenne (M. Louis), on the Passivity of Iron, 117 



Variable Stars, Suspected, 502 



Vegetation under Electric Light, 438, 456 



Velocity of Light, Experimental Determination of, Albert A. 

 Michelson, 120 



Ventoux, Mont, Proposed Meteorological Observatory on, 18 



Verhandlungen derk.k. geologischen Reichsanstalt zu Wien, 51, 

 326 



Verhandlungen des naturhistorischen Vereins der preussischen 

 Rheinlande und We=tfa)ens, 362 



Vertical Shafts in the Chalk in Kent, 13 



Vesbium, 458; Dr. T. H. Norton, 420 



Vesuvius, the State of, 70, 524 ; Eruption of, 215 ; the History 

 of, during the Year 1879, G. F. Rodwell, 351 ; the Railway 

 up, 500, 524 



"Vevey" Cigars, 525 



Vibration of Sounding Bodies, the Discovery of the, 21 



Vibrations of the Telephone, Researches on, Prof. Silvanus P. 

 Thompson, 180 



Vibrations of Light, on a Mode of Explaining the Transverse, 

 S. Tolver Preston, 256 ; Lewis Wright, 370 



Vibratory Motion in Fluids, Ridout on, 506 



Victoria, Meteorology in, 48 



Victoria (Philosophical) Institute, 364, 531, 5S0 



Vienna, Imperial Academy of Sciences, 99, 244, 292, 364, 460 



" Village Life," 224 



Vincent (Trof. C), Manufacture of Methyl Chloride from Beet- 

 root, 358 



Vines (Sydney II.), the Functions of Chlorophyll, 85 



Viscous Materials, Flow of, a Model Glacier, J. T. Bottomley, 

 159; R. S. Newall, F.R.S., 202 



Vistula, The Lower, M. Zahorowski's Discovery of Sepulchral 

 Vessels on the Banks of, 262 



Visualised Numerals, Francis Galton, F.R.S., 252, 323, 494 



Vocal rhysiology and Hygiene, by Gordon Holmes, Dr. William 

 Pole on, 271 



Vogel (Dr. H. W.), the New Hydrogen Lines observed by the 

 Star Lines, and the Dissociation of Calcium, 410 



Voice in Fib, S. E. Peal, 55 



Volcanoes: Volcanic Eruption in Diminica, II. A. Alford 

 Nichols, 372; Is Mount Unzen a Volcano? H. K. Guppy, 

 •S3 ! Appearance of a Small Crater near Paterno, 382 ; Vesu- 

 vius, 70, 215, 351, 500, 524; Eruption of Mount Argacus, 

 620 



Vollenhoven (Snellen van), Death of, 523 ; Obituary Notice of, 



538 

 Volvox minor, Oospores of, 93 

 Vortex-Atom Theory, a Psychological Aspect of the, S. Tolver 



Preston, 323 



Walferdin (M.), Death of, 329 

 Walker (1. J.), on a Hexameter, 57 



Wallace's " Australasia," A. Hart Everett, 535; A. R. Wal- 

 lace, 562 



