INDEX 
The more important references are indicated by heavier figures. 
Abbot, H. L., 228, 287. 
Abbreviations used in Charts and Diagrams, 413. 
Abich, H., 457, 458. 
Abyssal Benthos, 250. 
„ Plankton, 251. 
„ zone, 397. 
Acantharia, 205, 283. 
Acanthin, 205, 283. 
Accumulation of deposits, rate of, 411-412. 
Actiniaria, 81, 111, 162, 194, 354. 
Actinocydus Oliver amis, 210. 
Actinolite, 19, 155, 217, 325. 
Actinolite-schist, 325. 
Admiralty, Hydrographer of the, ix, 30. 
Admiralty Islands, deposits between Japan and, 
106-111, 175-176. 
,, „ deposits between Meangis I.sland 
and, 174. 
,, „ deposits between New Guinea 
and, 106-107, 174. 
„ „ deposits off, 106-107, 174-175. 
Adriatic Sea, xix, xx. 
Aegean Sea, xiii, xxii. 
African coast, deposits olf the, 154, 155, 157. 
Agassiz, A., 11, 186, 250, 253, 265, 268. 
Agassiz, L., xxvii. 
Agates, 300, 304. 
Age of deposits, 315. 
Age of submarine tufas, 310. 
Aggregations of deposit, 51, 57, 103, 109, 113, 119, 
125, 14.3, 204-205, 218, 238, 343, 348, 349, 
355, 357, 358, 361, 362, 363, 364, 366, 
367. 
Agulhas Bank, xxvi, 160, 161, 385, 391, 395, 396. 
(deep-sea deposits chall. EXP. — 1891.) 
“ Albatross,” the, 250. 
Alberti, L. B., xiv. 
Albirouni, xviii. 
Albite, 302, 457, 458. 
Albuminoid and other organic matters in deep-sea 
deposits, 253-254, 255, 398. 
Alcyonarian Coral, 149, 153, 154. 
Alcyonarian spicules, 26, 44, 46, 48, 54, 70, 82, 88, 
90, 91, 92, 94, 96, 102, 106, 108, 114, 118, 
122, 124, 216, 225, 264, 289. 
“ Alert,” the, 30. 
Algse, calcareous, 26, 31, 38, 46, 47, 48, 49, 50, 51, 54, 
58, 59, 62, 63, 66, 67, 68, 82, 86, 88, 92, 94, 
96, 97, 98, 99, 104, 106, 107, 118, 122, 124, 
144, 14.5, 215, 216, 244, 257, 277, 289. 
„ floating banks of, 251. 
„ siliceous, 281. 
Algeria, 334. 
Alkalies, determination of, 28. 
Alkaline phosphates, 399. 
„ silicates, 408. 
Almandin, 21. 
Alps, xxviii. 
Alumina, determination of, 28. 
,, hydrated silicate of, 338, 374, 408. 
Amazon Eiver, 234. 
Amboina, deposits between Banda and, 96-97, 
171- 172. 
„ ,, „ Samboangan and, 98-99, 
172- 173. 
„ „ off, 96-97, 112. 
America, xiii, xxii, xxiv, xxvii. 
,, deposits off North, 151, 152. 
„ „ South, 68-171, 180-182. 
65 
