INDEX. 
Santa Cruz mollusks, affinities of the, i. 112, 
Saporta on formation of earth's crust, i. 140. 
Sapphirina, i. 171. 
Sarasin and Fol on penetration of light, i. 
305, 306. 
Sarasin and Soret on penetration of light, i. 
306. 
Sargasso Sea, i. 209. 
Columbus on, i. 213. 
“Talisman” Expedition on, i. 211. 
Sargassum, i. 121, 210. 
animals inhabiting the, i. 212, 
animals living upon, i. 213. 
J. R. Bartlett on, i. 211. 
Aiph. Milne-Edwards on, i. 212. 
Moseley on fructification of, i. 212. 
north of Cape Hatteras, i. 211. 
reproductive organs of, i. 212. 
Sargassum bank, origin of, i. 213. 
Sargassum fields, off Porto Rico and San Do- ' 
, mingo, i. 211. 
Sars, G. O., i. 44, 204. 
deep dredging off Norway, i. 42. 
on Rhizoerinus, i. 285. 
Sars, M., animals from great depths, i. 42. 
on Rhizoerinus lofotensis, ii. 120. 
Sexorhynchus armatus, ii. 50, 51. 
Scalpellum regium, ii. 50, ' 
Scammon, J. Young, ii. xi. 
Schizaster, fascioles of, ii. 98. 
Schizopods, large size of, ii. 48. 
Schmidtia aulopora, ii. 178. 
Sehmidt, O., Report on Sponges, i. xxi. 
Sehultze, Max, i. 35. 
on chlorophyll in planarians, i. 213. 
Scombroids, ii. 28. 
Seopelidze, ii. 33. 
Scopelus, ii. 24. 
luminosity of, ii. 33. 
Mülleri, ii. 33. 
Scoresby on deep-sea temperatures, i. 40. 
Scorpana, ii. 29. 
Seulpins, ii. 29. 
Scutell®, absence of in deep water, ii. 97. 
Sea-urchins, ii. 88. 
A. Agassiz, Report on, i. xxi. 
geographical range of, ii. 16. 
known previous to ‘ Blake” Expedi- 
tion, ii, 4. 
oldest known, ii. 04. 
Sea water, air in, i. 297. 
analysis ot, i. 21. 
Buchanan, J. Y., chemistry of, i. 23. 
Buchanan, J. Y., on oxygen in, i. 205. 
Dittmar composition of, i. 290. 
Dittmar report on samples of, i. 296, 
215 
Sea water, Dittmar on solvent action of, i. 283. 
elements in solution in, i. 296. 
Jacobsen on gaseous elements of, i. 294. 
Murray on carbonate of lime in, i. 65. 
Murray on solvent action of, i. 65. 
organie matter in, i. 205. 
specific gravity of, i. 20. 
Secchi, on penetration of colors, i. 305. 
Sedimentary rocks, thickness of, i. 130. 
Seeds, transportation of, i. 180. 
Seguenza, on deep-sea fossil corals, ii. 19. 
on deep-sea pliocene, i. 145. 
on tertiary corals, ii. 18. 
Selachians, deep-sea, ii. 36. 
Garman, S., Report on, i. xxi. 
| Semper, i. 76, 
| on coral reefs, i. 76. 
| Serpulw, masses of, i. 83. 
‘ Serpulidze, at great depth, ii. 57. 
bathymetrical range of, ii. 57. 
Setidium obtegtum, ii. 176. 
Sharks in Lake Nicaragua, i. 153. 
Sharks 4nd whales, remains of, on bottom, 
i. 208. 
' Sharks’ teeth, dredged by “Challenger,” i. 
| 145. 
found by ‘‘ Challenger," i. 276. 
| in concretions, i. 276. 
| Sharples, analysis of corals, i. 62, 148. 
| analysis of rock of Pourtalés Plateau, 
i. 288. 
Sharrer, W. O., i. viii, 32. 
** Shearwater,” cruise of, i. 40. 
Sheaves for dredging, i. 33. 
Shore lines and hydrographie basins, i. 100. 
Siemens, C. W., bathometer, i. 6. 
electrical thermometer, i. 17, 
Sigsbee, C. D., i. viii, 32. 
accumulator, i. 6. 
collecting cylinder, i. 36, 200. 
deep-sea sounding and dredging, i. 51. 
detacher, i. 3. 
exploration of Gulf of Mexico, i. 50. 
first dredging season in Gulf of Mexico, 
Ë 81: 
gravitating trap, i. 36. 
on movements of Pentaerinus, ii. 119. 
Pentaerinus ground, ii. 6. 
sounding machine, i. 6. 
Sigsbee Deep, i. 102. 
Sigsbee, L. P., i. x, 32. 
Sigsbeia, ii. (14. 
Sigsbeia murrhina, ii. 5. 
Silica, carried out to sea, i. 150. 
supply of, due to deep-sea sponges, i. 
149. 
