202 
Deep-sea temperatures, by ‘ Gazelle,” i. 46. 
by Miller-Casella thermometer, i. 40. 
by “Tuscarora,” i. 46. 
Franklin on, i. 46. 
Humboldt on, i. 46, 
Lenz on, 3. 46. 
Parry on, i. 46. 
Phipps on, i. 46. 
Pouillet on, i. 46. 
Deep-sea thermometer, Tait, P. T., correc- | 
tion of, i. 16. 
Deep-sea types, affinities of, i. 156. 
** Albatross” on distribution of, i. 152, 
characteristie, ii. 21. 
fossil representatives of, ii. 18. 
passage of, into continental and littoral 
zones, i. 163. 
predominant tint of, i. 311. 
Deep-sea work, historical sketch of, i. 39. 
by Bache, i. 49. 
by Craven, i. 49. 
by Davis, i. 49. 
by Maffitt, i. 49. 
of Mitchell, i. 49. 
of Pourtalès, i. 49. 
of Sands, i. 49. 
of U. S. Coast Survey, i. 48. 
Deep-sea work, publications on, i. 48, 
Depths of the Sea, i. 48. 
Moseley Notes on ‘ Challenger’? Expe- 
dition, i. 48. 
Narrative of ‘‘ Challenger,” i. 48. 
"Thalassa by Wild, i. 48. 
Voyage of the ** Challenger," i. 48, 
Deep soundings by Bartlett, i. 48. 
by Brownson, i. 47, 48. 
Deep-water collections, ii. 8. 
Deep-water deposits, Agassiz, L., on, i. 49. 
Deep-water fauna, i. 44. 
Deep-water gasteropods, blind, i. 308, 
Deep-water types, identity of, i. 159. 
origin of, in palxozoie times, i. 151. 
Deima Blakei, ii. 86; 
Deimatide, ii. 86. 
De la Beche, on siliceous matter in water, 
i. 150. 
Delesse lithologie, i. 40. 
Deltocyathus italieus, ii. 149. 
Denmark Strait, i. 242, 
Dentalium perlongum, ii. 67. 
Dentalium, lives in ooze, ii. 65. 
| 
| 
| 
| 
bathymetrical range of, i. 169. N 
Denudation, absenee of aerial, i. 104, | 
extent of aerial, i. 127. 
of Mississippi, Humphreys and Abbott, | 
on, i. 128. 
INDEX. 
Deposition of sedimentary rocks, i. 180. 
Deposits, affected by depth, i. 266. 
along continental coasts, i. 263. 
of past periods, compared to those of 
to-day, 1. 167. 
Depth, greatest reached by ‘ Blake,” i. 97. 
Desmophyllum erista-galli, ii. 151. 
Desmophyllum Riisei, ii. 150, 151. 
Desmophyllum solidum, ii. 150, 151. 
Diadematide, i. 82, 159, 
Diaseris erispa, ii. 153. 
Diastopora repens, ii. 78, 79, 
Diatom ooze, i. 260. 
Diatoms, siliceous remains of, i. 271, 
Dicranodromia, ii. 40, 
Dietz on Florida, i. 68. 
Diopatra, bathymetrical range of, ii. 56, 
Diopatra Eschrichtii, ii. 53. 
Diopatra glutinatrix, ii. 53, 50. 
Diopatra Pourtalesii, ii. 55. 
Diphyes aeuminata, ii. 195 
Discina atlantica, ii. 77. 
Discophorous medusa, ii. 130, 
Discorbina orbicularis, ii. 108. 
Distichopora foliacea, ii. 140. 
Distribution, of animals and plants by cur- 
rents, i. 117. 
of species, i. 168, 
Dittmar on absorbed gases of bottom water, 
i. 297. 
on solids in ocean water, i. 129. 
| Dodecabostrycha dubia, ii. 130, 131. 
Doliolum, i. 187. 
Dolphin ridge, i. 123, 164. 
Dolphin Rise, i. 97, 242. 
Dominiea, island of, i. xvii, 
Dorippidoidea, ii. 38. 
Dorocidaris, i. 158. 
Dorocidaris Blakei, ii. 89. 
Dorocidaris papillata, ii. 88. 
Dredge of Ball, i. 48. 
of Edward Forbes, i. 48, 
of O. F. Müller, i. 48. 
modifieation of, by U. S. Coast Survey, 
i. 26. 
of the Philippines islanders, i. 25. 
speed in lowering, i. 29. 
used by Péron, i. 48. 
used by Stimpson, i. 48. 
used by Wilkes' Expedition, i. 48. 
Dredge and trawl, sifting of contents of, i. 20. 
Dredge and swabs, i. 24. 
Dredging lines, 1877-78, i. ix. 
1878-79, i. xi. 
1880, i. xix. 
Tampa Bay to Mississippi, i. ix. 
