522 
THE VOYAGE OF H.M.S. CHALLENGER. 
Spherolithic globules of phillipsite, 403, 409. 
Sphcrosiderites, 375. 
Spherules, cosmic, 22, 32, 194, 327-336, 353, 356, 
358, 365, 378, 403. 
„ magnetic, 217, 327-336, 361. 
„ „ black, 327-330. 
,, „ brown, 330-332. 
with crystalline structure, 330-332. 
Spicules of Alcyonaria (see Alcyonarian spicules). 
„ Sponges, xxiii, xxvi, 18, 23, 35-147, 263, 
284-286, 289, 351. 
,, „ calcareou-s, 264. 
Spines of Echinoderms, 34-146. 
„ on Glohigcrina shells, 173. 
Spirit of wine, use of in drying deposits, 11. 
Spiroloculina tenuis, 114. 
Spitzbergen, xxii. 
Sponge spicules (see Spicules of Sponges). 
Sponges, xxi, 41, 69, 79, 89, 97, 99, 109, 281, 342, 
343, 351, 367, 375. 
„ calcareous, 264, 367. 
„ siliceous, 281, 342, 351, 367. 
Spratt, Captain, xxiii. 
Spumellaria, 205, 383. 
Spyroidea, 205. 
Stanley Harbour, deposit in, 136-137- 
Starfishes, 265. 
Stas, J. S., 420. 
State of oxidation of manganese in manganese nodules, 
470-471. 
Steno, Nicolaus, xviii. 
Stejihanoscyphus, 354. 
„ simplex, 105. 
Sterry Hunt, T., 386. 
Stevenson, T., 185. 
Stones, 323, 324, 344. 
“ Stork,” the, 30. 
Storthosphaei'a, 263. 
St. Paul’s Island, xiv. 
„ Kofjks, deposits between Cape Verdes and, 
64-65, 154-155. 
„ „ deposits l.Hitween Fernando Noronha 
and, 66-67, 155-156. 
,. „ deposits off, 64-67, 155. 
.St. Tliomas, deposits Ijctween Kermuda and, 44-49, 
150. 
«St, Vincent (see Cape Verdes). 
„ Harl)our, deposit in, 62-63, 154. 
Htralw, xiii, xvi, xvii. 
•Strait of .Sunda, 294. 
Strrmtium, 418. 
Strophonemas, 406. 
Studer, T., 264. 
Styela hythia, 346. 
„ squamosa, 346. 
Stylasteridse, 264. 
Suabia, 384. 
Subaerial eruptions, 292, 293, 299, 314, 318, 406, 408. 
Sub-littoi-al zone, 383, 388. 
Submarine eruptions, 293, 299, 307, 313, 314, 318, 
378, 405, 408. 
„ springs, 372, 373, 397. 
„ tufas, 310. 
„ volcanoes, 375, 376, 412. 
,, zeolites, 400-411. 
Subsidence of sea-bottom, 168, 177. 
Suhm, R V. Willemoes-, 372. 
Sulphate of lime, xxvi. 
Sulphates, 255, 256, 338. 
Sulphide of iron, 409. 
Sulphides, 253, 254, 255. 
Sulphur, 255. 
Sulphuretted hydrogen, 253, 256. 
Sulphuric acid, 256. 
„ „ in manganese nodules, 421. 
Sulu Sea, deposits in, 102-103, 173. 
Sunda Strait, 294. 
Surface Diatoms, analysis of, 281, 437. 
• „ fauna and flora, 164-165, 168, 176. 
„ tow-net, 9, 10. 
Suspension of clayey matter in water, 196, 228-229, 
287, 339, 340. 
“ SAvallow,” the, 30. 
Sweden, 384. 
Sydney, deposits between Melbourne and, 82-83, 
165. 
„ „ „ New Zealand and, 84-87, 
166. 
„ „ off, 82-85, 165. 
Syenite, 53, 152, 322. 
“ Sylvia,” the, 30. 
Symbols used in Charts and Diagrams, 413. 
Sympagella nux, 286. 
Synedra filiformis, 210. 
„ lanceolafa, 210. 
„ nitzscliioidcs, 210. 
Synoptical Tables of Challenger deposits, 33-147. 
Syrinyammina fragilissima, 105. 
Tables of Challenger deposits, 33-147. 
Tachylite, 22. 
Tagus, deposit ofT mouth of, 1 48. 
