604 



SCIENCE. — INDEX TO VOLUME IV. 



Tornado predictions, 126. 



Tornadoes, 381; and how to escape them, 

 ill. 572. 



Torpedo-boat, 410. 



Torsion of leaves, 340; scales, 320. 



Touche, de la, on Langrin coal-field, 504. 



Track-inspection car, 348. 



Traill, W. A., on G-iants' Causeway and 

 Portrush electric tramway, 324. 



Transition of beds, 327. 



Trawls, ill. 224. 



Treasury department and philosophical 

 instruments, 451 ; rulings, 302, 427; in 

 regard to periodicals, 141, 269. 



Trelease, W. Blooming-time for flow- 

 ers, 573. 



Trillium grandiflorum, abnormal form of, 

 352. 



Tromholt's work on Lapland, 366. 



Trowbridge, J. Atmospheric electricity, 

 164; thunder-storms, 97; what is elec- 

 tricity, 232. 



Trowbridge, J., on telegraphing without 

 cable, 297. 



True, F. W. Babirussa tusks from an 

 Indian grave in British Columbia, 34; 

 bot-flies in a turtle, 511; a muskrat with 

 a round tail, 34; photographs of the in- 

 terior of a coal-mine, 223. 



Tuberculosis, 59, 342. 



Tuke, J. A., on Irish emigration, 285. 



Tunnel, ancient, 464. 



Turbine water-wheel, 12. 



Turner's Samoa, reviewed, 378. 



Ttlor, E. B. How the problems of 

 American anthropology present them- 

 selves to the English mind, 545; some 

 American aspects of anthropology, 217. 



Tylor, E. B., on American tribes, 396; 

 North-American races, 345. 



Unalashka sands, 44. 



Underground wires, 350. 



United States, African race in, 222; census 

 report of 1880, reviewed, 119 ; seventh vol- 

 ume of, reviewed, 421 ; eighth volume of, 

 reviewed, 461; coast and geodetic sur- 

 vey, geodetic work of, 293; commercial 

 relations of, 348; credit of, 347; earth- 

 quakes in, 569; future of, 347 ; geological 

 survey, annual report of, reviewed, ill. 

 62; bulletin No. 5, 481; topographical 

 sheets of, 188 ; hydrographic office, re- 

 port of, 502; work of, 483; national mu- 

 seum, additions to, 505; bird-collection 

 of, 496; building-stone, collection'of, 505; 

 postage in, 351; resources of, 421; Scud- 

 der's history of, 450; signal-service pa- 

 pers, 266j 467; systematic earthquake 

 observation in, 520; temperature in, ill. 

 569; tertiaries of, 562. 



University, ideal, 95; of Virginia, Leander 

 McCormick observatory of, 294. 



Upton, Winslow. Weather forecasts, 568. 



Utricularia vulgaris, 262. 



Valence, 321. 



Valley formation, 365. 



Valve gear, 290. 



Van Dyck, F. C, on storage-batteries, 389. 

 Vapor tensions, 250. 

 Vashchenko-Zakharchenko's Elements of 



Euclid, 442. 

 Vegetable remains of drift, 73. 

 Vegetation, North-American, 261. 

 Veins, arrangement of, 410. 

 Ventilation of cargoes, 426; sewer, 366. 

 Venus, reduction of French photographs 



of transit of, 424. 

 Vermont gneiss, 327. 



Verrill, A. E. Evidences of the exist- 

 ence of light at great depths in the sea, 



8. 

 Vertebrates, hibernation of, ill. 36 ; oldest 



living type of, 484, 524. 

 Vidal's Photometric tables, reviewed, 311. 

 Vinland, 283. 

 Vivarez, H., on limitations of submarine 



telegraphy, ill. 439. 

 Viviparous pumpkin, 470. 

 Volcanic island off Iceland, 506; outburst 



of Mount St. Augustin, 538; sand, 154. 

 Volcano, Bogosloff, map, 432; andesite 



from, 524. 



W., S. The mosses of North America, 446. 



Wade, J. M. Perforations in wool fibre, 

 52. 



Wadsworth, M. E. Some United-States 

 geologists, and the propylite question, 

 111. 



Wady el Arabah, 75. 



Wages, rate of, 283. 



Wagner, P., on special manures for par- 

 ticular crops, 57. 



Waldo, Leonard. The earthquake of 

 Aug. 10, 144. 



Walker, F. A., on industrial education and 

 handicraft, 537. 



Wampum, 320. 



Ward, L. F. Irrigation in the upper 

 Missouri and Yellowstone valleys, 166. 



Ward, L. F., on fossil flora of globe, 340. 



Warren, C, on learned professions and 

 the public, 348. 



Washburn observatory, eye-pieces of me- 

 ridiau circle at, 396. 



Water of steam-boilers, superheated, 424; 

 transparency of, 421 ; rates, 13. 



Watson, Ellen, life of, 380. 



Wave-currents, influence of, on fauna, 75 ; 

 ship, 382. 



Waverley group, 327. 



Wead, on production of sound, 298. 



Weather forecasts, 568 ; map, 300; review, 

 monthly, 480; service in Japan, 521; sig- 

 nals of Alabama, 464. 



Weed, C. M. The evolution of petals, 

 ill. 52. 



Weed, W. H., on geyser eruption, 22. 



Wellington, A. M., on Mexican railway, 

 12. 



Wells, driven, 324. 



Wendell, O. C. New maps of the heav- 

 ens, maps, 580. 



Weser hills, mineral wealth of, 365. 



Westgarth, W., on British empire in 

 North America and Australia, 285. 



Whirlwinds at sea, 562. 



Wiedemann's Electricity, reviewed, 87. 



Wilder, B. Gr., on anthropoid apes, 339; 

 cerebellum and oblongata, 341. 



Wiley, II. W., on optical methods of esti- 

 mating sugar in milk, 322. 



Williams, G-. H. Specimens illustrating 

 Lehmann's Origin of the crystalline 

 schists, 511. 



Williams, Gf. H., on apatitbringer, 258; 

 Lehmann's crystalline schists, 327. 



Williams, H. S., on ancient faunas, 326. 



Williams, S. Gf., on New-York gypsum 

 deposits, 325. 



Wilson, D., on human skull from Podbaba, 

 318; Huron Iroquois, 318. 



Wilson, Sir Erasmus, death of, 332. 



Wilson, J. H., on American permanent 

 railway, 288. 



Winchell, N. H. The crystalline rocks 

 of the north-west, 238. 



Wind-currents, effect of, on rainfall, 409. 



Wine-production in France, 264. 



Winlock, W. C. The long-continued 

 bad seeing, 94. 



Winsor, J., on Ptolemy's geography, 331. 



Wintuns, mythology of, 345. 



Woeikof, A. An open polar sea, 485. 



Wolf comet, 381. 



Wolfe expedition to Chaldaea, 378. 



Wood-sections, study of, 45. 



Woodbury, C. J. H., on automatic sprin- 

 kler system, 291. 



Wool fibre, perforations in, 52. 



Working-girls, condition of, in Boston, 

 450. 



Workshop in technical education, 395. 



Wormley, T. Gr. Microscopic science, 

 244. 



Wright, C. D., on condition of working- 

 girls in Boston, 450. 



Wright, R. Ramsay. On the function of 

 the serrated appendages of the throat 

 of Amia,' 511. 



Weight's Adjustment of observations, re- 

 viewed, 520. 



Wurtz, Charles Adolph, portrait, 6; 

 Pictet's acquaintance with, 74. 



Yard, relation of metre to, 296. 



Yellowstone national park survey, 22. 



Young, C. A. Pending problems in as- 

 tronomy, 192; sun-spots and the earth, 

 ill. 564. 



Young, S. See Ramsay, and Young, S. 



Zabriskie, J. L., on Appendicularia ento- 

 mophila, 25. 



Ziwet, A. Euclid as a text-book of ge- 

 ometry, 442. 



Zodiacal light, 28. 



Zonites cellaria, discovered in Oregon, 

 538. 



Zoological researches of Scottish fishery 

 board, 478. 



Zufiis, art among, 319; customs of, 448. 



EREATA. 



29, col. 2, line 36, for ' Bouvain ' read « Louvain.' Page 390, col. 



35, " 1, 9th line from bottom, for ' animalculae ' read 

 ' animalcula.' 



41, " 1, line 26, for ' from chance' read ' pure chance.' " 393, " 



162, " 2, 10th line from bottom, for ' angular ' read 



•abrupt.' " 397, " 



281, " 2, line 24, for ' school boards ' read ' board schools.' " 427, " 



285, " 1, line 18, for ' $68,500 ' read « $342,500.' " 484, " 



301, " 1, 16th line from bottom, for ' the ' read ' his.' 

 366, " 1. in last note, for ' Trombolt' read ' Tromholt.' " 498, " 



2, 16th line. Remarks wrongly attributed to Pro- 

 fessor James Dewar: the correct name not 

 known. 



2, 29th line, for ' Prof. George F. Barker ' read 

 * Lieut. Commander T. F. Jewell.' 



2, last line, for « May ' read ' April.' 



1, line 8, for ' prescribing' read • proscribing.' 



2, line 36, for ' Water of crystallization ' read ' Ef- 



fect of crystallization on sediment.' 

 2, line 34, for ' Kjellberg ' read « Rjellberg.' 



