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VOLUMES XXI-XXX. 



521 



GEOLOGY — 



Traite de Geologie, Lappareni, iii, 154; 



v, 158. 

 Trilobite, injury to eye of, Walcott, 



vi, 302. 

 Trilobites, appendages of, Walcott, ii , 



79 ; vii, 409. 



embryonic, Ford, ii, 250. 



uew.Dwight,vii,25l; Walcott, ix, 328. 



Primordial in Sardinia, iii, 65. 

 Tully limestone, Williams, vi, 303. 

 Unification in nomenclature, etc., pro- 

 posed, vi, 69. 

 Uphantasnia, Dawson, ii, 132. 

 Valleys, old, filled with drift, ii, 151, 



486; v, 472; vii, 149; ix, 392. 

 Vein-formation, LeConte, iv, 23; v, 



424; vi, 1. 

 Veins, origin of, vii, 147 ; viii, 465. 

 Vertebrata, Permian of Texas, Cope, 



ii, 153. 



Eocene, Cope, iii, 324. 

 Tert., Cope,.ix, 70, 260; xxx, 295. 

 see Mammals, etc. 

 Volcanic cones, forms of, Becker, xxx, 



283. 

 rocks, see Rocks. 



of Great Basin, vii, 66, 453. 



ofWashoe, vi, 479 ; xxx, 388. 



Volcanoes of California, Hague, vi, 222. 



work on, Judd, iii, 65. 

 Washoe district, vi, 479; xxx, 388. 

 Waterfalls, gorges and, Davis, viii, 123. 

 Wave action on coasts, Dana, xxx, 



103, 176, 184. 

 Westchester Co., N. Y., Dana, i. 425; 



ii, 103, 313, 327. 

 Whale skeleton from Ontario, Davison, 



v, 200. 

 Wind-drift structure, xxx, 78. 

 Yellowstone Park, geological charts 



of, i, 244. 

 Zinc, ore deposits, Baden, i, 502. 



Georgia, age of Appalachians in, Elliott, 

 v, 282. 



geological report, vi, 411. 

 meteoric iron of, i, 286; vi, 336. 

 Geysers, apparatus illustrating action of, 

 iii, 320. 

 see Geology. 

 Gibbs, J. W., double refraction and dis- 

 persion of colors, iii, 262. 



double refraction and circular po- 

 larization, iii, 460. 



electromagnetic theory of light, v, 

 107. 

 Gilbert, G. K., post-glacial joints, iii, 25. 

 jointed structure, iv, 50 ; vii, 47. 

 new method of measuring heights 

 by means of the barometer, iv, 404. 

 4 



Gilbert, G. K, Lake Bonneville, vi, 150 

 earthquakes of the Great Basin, vii' 

 49. 



deflection of streams, vii, 427, (re- 

 ply to same, Baines, viii, 434). 

 Gill, D., Heliometer determinations of 



Stellar parallax, viii, 404. 

 Gill, T., Bibliography of Fishes of Paci- 

 fic Coast, iii, 496. 



Principles of Zoogeography, viii, 241. 

 Glacial climate, discussion of, Croll, vi. 

 249, 488, vii, 81, 265, 343,432, ix, 20, 

 138, 300; Becker, vi, 167, vii, 473; 

 Dana, vii. 93 ; Dutton, vii. 1 ; Haugh- 

 ton, i, 150; iv, 436; Hill, iii, 61; McGee, 

 ii, 437, iii, 61, vi, 113; Newcomb, vii, 

 21 ; Whitney, i, 149, v, 153 ; Woeikof, 

 iii, 417 ; Wood, vi, 150, 244; climate in 

 the era of the mammoth in Siberia, i, 

 148. 

 Glacial deposits and phenomena : 



of New England, Maine, Stone on 

 Karnes, etc., iii, 242,vi, 328, viii, 152, 

 xxx, 146; Mt. Ktaadn, ii, 229; 

 White Mts., scratches, Hitchcock, vi, 

 350. 



in Massachusetts, kettle holes at 



Wood's Holl, Eoons, vii, 260, ix, 480. 



Connecticut Valley, (effects of 



Glacial flood) Dana, iii, 87, 179, 



360, iv, 98. 



Connecticut, N. Haven region, 

 Dana, vi, 341, vii, 113 (kettle holes, 

 etc.) ; glacial scratches, ii, 322, vi, 

 345, 350, ix, 207 ; in Farmington 

 Valley, v, 440; in E. Connecticut', 

 terraces, Koons, iv, 425. 



Long Island, v, 475, Dana, vi, 

 355 ; Ghamberlin, Dana, viii, 230. 



New York, Smock, v, 339 ; 

 scratches in the Catskills, iii, 338 ; 

 Niagara River, Wright, viii, 32 ; 

 Ghamberlin, viii, 228. 



New Jersey, Cook, ii, 77 ; Wright, 

 iii, 242,; Smock, v, 339. 



Delaware, Wright, iii, 242 ; Ches- 

 ter, v, 18, 436. 



Pennsylvania, Lewis, ii, 402, viii, 

 231, 276; Abbott, flint implements 

 at Easton, ii, 401 ; scratches, v, 472, 

 vi, 483 ; terraces in Western, White, 

 vi, 327. 



Ohio, Wright, vi, 44, 326, vii, 410 ; 

 Ghamberlin, iv, 95. 

 Michigan, Winchell, xxx, 315. 

 Indiana, Wright, vi, 44, 326, vii, 

 410. 



Illinois, viii, 317 (bowlder clays); 

 Wisconsin, Ghamberlin, vii, 378; 

 compared with facts in the Alps, v, 

 233. 



