200 
Conoelypus Sigsbei, ii. 99. 
Conolampas, ii. 97. 
Conolampas Sigsbei, ii. 09. 
Continental areas, deposits on, i. 140. 
Continental belt, temperature of, i. 302. 
Continental connections, extent of, i. 121. 
Continental denudation, i. 282. 
Continental fauna, i. 162. 
decrease of, i. 107. 
Continental formations, i. 143, 
Continental lands, height of, i. 126, 
Continental line, ancient extension of, 
Continental masses, i. 126. 
effect on distribution of temperature, i 
248. 
Kriimmel on elevation of, i. 126, 
nucleus of, i. 126. 
Continental plateau, edge of, i. 108. 
Continental shelf, i. 96. 
absence of argillaceous 
274, 
sandy plain of, i. 212. 
matter on, i. 
Continental slopes, abundance of animal life 
on, i. 107. 
fauna adjacent to, i. 106. 
Continents and oceanie basins, Agassiz, L., 
on age of, i. 127. 
Carpenter, W. B., on age of, i. 127. 
Dana on age of, i. 127. 
Geikie, A., on great age of, i. 127. 
Guyot on great age of, i. 127, 
Thomson, Wyville, on age of, i. 127. 
Wallace on age of, i. 127. 
Continents, permanence of, i. 125. 
Convection through ocean water, i. 304. 
Copepods, fertility of, i. 204. 
pelagie, i. 178. 
Coquimbo, elevated coast near, i. 199. 
Coquina of St. Augustine, i. 67, 68. 
Coral bottom, extent of, i. 286. 
Coral boulders, i. 55. 
Coral breccia, cementation of, i. 54. 
Corallines, i. 55. 
Coral reef of Florida, Agassiz’s theory of, 
i. 55. 
Leconte, J., on theory of, i. 55. 
report on by A. Agassiz, 1. xxi. 
theory of E. B. Hunt, i. 55. 
Coral reefs, ancient, near Havana, i. 71. 
Darwin's theory of, i. 55, 80. 
distribution of, i. 76, 286. 
effect of light on, i. 306. 
grinding and rehandling of material on, 
i. 55. 
of former geologica] periods, i. 169. 
INDEX. 
Coral reefs, northern extension of, i. 161, 
Semper on, i. 76, 
Studer on, i. 76, 
Coral rock shores, undermining of, i. 87. 
Corals, ii. 148. 
absenee of simple species in Caribbean 
area, ii. 19. 
composition of, i. 148, 
depth of, affected by local causes, i. 74. 
known previous to ‘‘ Blake"! Expedition, 
bt 9 
limit to which they extend, i. 74. 
living on edge of Bahama Bank, i. 75. 
of Chagos Archipelago, i. 74. 
of miocene beds, ii. 19. 
Sharples, S. P., analysis of, i. 62. 
Coral sand beach, i. 86. 
Joral sand, held in suspension, i. 84. 
Wright, on slope of, i. 83. 
Coral silt, carried along the bottom, i. 84. 
Corbule of Plumularide, ii. 137. 
| Corniferous bone beds, 1. 145 
; Cornuspira foliacea, ii. 161. 
Jorycodus bullatus, ii. 99. 
Coryphena, i. 198. 
Corypheenoides, ii. 26. 
Cosmopolitan species, i. 162. 
| Crangonidee, ii. 45. 
Crania Pourtalesii, ii. 77. 
Cretaceous deposits of Isthmus of Panama, 
i. 118. 
| Cretaceous sea, Jeffreys on depth of, i. 146. 
Jretaceous types, i. 151. 
in West Indian miocene, ii. 19, 
Yribrella hospitalis, ii. 178. 
Crinoid collection, disposition of, 11. 6. 
Crinoids, ii. 116. 
color of deep-sea, i 312. 
known previous to ** Blake”? Expedition, 
ii. 6. 
P. H. Carpenter on, i. xxi. 
Crinoids and trilobites, great development of 
in Silurian, i. 155. 
| Crisia denticulata, ii. 78, 7£ 
79. 
e 
| Crisia eburnea, ii. 
Cristellaria calcar, ii. 166. 
Cristellaria erepidula, ii. 166, 
Croll, i. 247. 
Cruises of the “Blake ’’ in 1877, i. 50, 80. 
Crustacea, ii. 97. 
bathymetrical range of, i. 169. 
habits of deep-sea, i. 311. 
knowledge of previous to ** Blake’? Ex- 
pedition, ii. 4. 
living under moist stones, i. 153. 
modifications of, ii, 44. 
