spear-heads a great deal larger than those known to archæologists, may we not ask whether reliance can be placed on the memory of witnesses who testify to impossibilities to justify conclusions that rest upon such testimony? I think we shall have to wait for further and better evidence than this before we are called upon to admit that the existence of the Tertiary man upon our Pacific coast has been established. [Footnote FJ: _The Prehistoric Archæology of North America_, Narrative and Critical History of America, vol. i, pp. 850-356.] [Footnote FK: Le Conte, _op. cit._, p. 614.] [Footnote FL: Professor George Frederick Wright, _Prehistoric Man on the Pacific Coast_, Atlantic Monthly, April, 1891, p. 512; _Table Mountain Archæology_, Nation, May 21, 1891, p. 419.] [Footnote FM: _Antiquities from under Tuolome Table Mountain in California_, Bulletin of the Geological Society of America, vol. ii, p. 192.] [Footnote FN: Le Conte, _op. cit._, p. 607.] INDEX. Aar Glacier, 11, 43, 132. Abbeville, France, 251, 263. Abbott, C. C, cited, 242, 245. Adams, Charles Francis, cited, 297. Adhémar, cited, 307, 310. Africa, ancient glaciers of, 191. Agassiz, Louis, cited, 9, 11, 43, 128, 241. Ailsa Crag, 167, 168. Akron. Ohio, 220, 221. Alaska, 1, 22, 23 _et seq._, 47, 212, 283; climate of, 291, 302. Aletsch Glacier, 9, 211, 241. Alleghany Valley, 206, 214; terraces in, 229. Alpine glaciers, existing, 9-11, 43 _et seq._; size and number of, 9; depth of, 11; velocity of, 43 _et seq._; ancient, 58-60, 131-136; advance and retreat of, 116. Alps, 1, 9-11, 43 _et seq._, 58 _et seq._, 91, 131 _et seq._, 211; age of, 328. Altaville, Cal, 296. Amazon Valley, temperature of, 316. Amherst, Ohio, glacial marks near, 52. Amiens, France, implements from, 252, 263 _et seq._; terraces at, 360. Andes, 17, 330; age of, 328. Andover, Mass., 77 _et seq._, 345. Andrews, cited, 345, 347, 354, 356. Animals, extinct, associated with man in eastern America, 262; in France, 263; in England, 264 _et seq._; in Wales, 272; in Belgium, 277 _et seq._; summary concerning, 281-293. Animals, relics of, in loess, 188. Antarctic Continent, existing glaciers of, 1, 18 _et seq._ Arcy, Belgium, grotto at, 279. Arenig Mawr, Wales, 150, 151, 172. Argillite implement, face and side view of, 247, 259. Arnhem, Holland, moraine at, 181. Asia, existing glaciers in, 14 _et seq._; ancient glaciers of, 190. Assiniboine River, 228. Astronomical theories of the Glacial period, 303 _et seq._ Atlantic Ocean, 314. Aurillac, supposed flint-chips near, 367, 370. Australia, ancient glaciers of, 126, 192. Austria, existing glaciers of, 9. Auvergne, 136.