.■)04 
THE VOYAGE OF H.M.S. CHALLENGEE. 
Clio sulcata, 224. 
„ (Creseis) acicula, 224. 
,, chierchia, 224. 
„ ., conica, 224. 
., „ virgula, 224. 
„ (Ili/alocglix) striata, 224. 
,, {Styliola) subula, 224. 
Cloizeiiux, ^r. (les, 402. 
Clyde estuarj', manganese nodules in, SO.?. 
Coids from steamers, 49, 57, 83, 101. 
Coast lines of the world, length of, 187. 
Coast of .\frica, deposits off, 154, 155, 157. 
„ Brazil, deposits off, 156, 157, 234-236. 
Coast zone, 397. 
Coating of Barff, 330. 
Cobiilt, 328, 329, 365, 368, 369, 371, 377. 
Cobaltiferous native iron, 334. 
Coccolith.s, XXV, xxvi, 15, 31, 35, 37, 43, 45, 81, 85, 
91, 109, 121, 127, 216, 225, 230, 240, 
258, 289, 361, 362. 
„ .size of, 85. 
Coccosphcres, 15, 31, 34, 43, 50, 52, 53, 56, 82, 84, 
85, 102, 142, 144, 215, 216, 225, 
257-258, 262, 289. 
„ size of, 85. 
Cocoa-nuts, 9.3, 172. 
C<k 1, analy.sis of otoliths of, 268, 496. 
Coelenterata, 264. 
Cohen, I]., 296, 297. 
Collections of Deposits available, 29. 
Colouring svibstances of fine wasliings, 24. 
Columbus, xiii, xiv. 
Comber, T., 283. 
Compact limestone, 325. 
Composition of depo.sits (see Average composition). 
„ Kadiolarian skeletfms, 205. 
Conception Channel, deposit in, 182. 
Conchioline, 267, 277. 
Concretions, 170, 171, 172. 
carbonaUj of iron, 375. 
clayey, 361. 
,. phosphatic (see Pho.sphatic concretions). 
Conglomerate, 172, 177. 
Contents, xi. 
Continentiil debris (see Contincnfiil rock fragments). 
„ minerals, 324-320, 38.3. 
,, rock fragments, 238, 321-324, 382, .383, 
.384, .385. , 
„ shelf, 18.5, 229, .396. 
„ sloj»e, 229. 
Cook Strait, de]K>sits off, 166. 
Copepoda, 251. 
Copper, 365, 368, 371, 377. 
Coprolite-like bodies, 101. 
Coprolites, 360. 
Coral, XV, xxvii, 14, 26, 31, 36-147, 172, 178, 179, 215, 
225, 244, 264, 277, 289, 365, 366, 399, 400. 
„ Alcyonarian, 149, 154. 
„ Gorgonoid, 61, 153, 154, 342, 343. 
,, „ analysis of, 465. 
Coral atolls, soil of, 294. 
Coral formation, xxvii. 
Coral Mud, 186, 244-247. 
„ area of, 247, 248. 
„ average composition of, 246. 
,, average depth of, 244, 248. 
,, carbonate of lime in, 245. 
„ distribution of, 247. 
„ fine washings in, 245. 
„ mineral particles in, 245. 
,, rate of deposition of, 411. 
,, siliceous organisms in, 245. 
“ Coral Ooze,” 186. 
Coral Keefs, 289-290, 411. 
Coral Sand, 244-247. 
,, analysis of, 246-247, 451. 
,, area of, 247, 248. 
„ average composition of, 246. 
„ average depth of, 246, 248. 
„ distribution of, 247. 
,, fine washings in, 246. 
,, mineral particles hi, 246. 
,, rate of deposition of, 411. 
„ siliceous organisms in, 246. 
Coral Sea, 203. 
Coral zone, 188. 
Coralline zone, 188. 
Corallines, xv. 
Corax, 269. 
Corethrun criopliilum, 210. 
Coscinodueus, xxvi, 109, 168. 
„ africanus, var. wallichianns, 210. 
„ antarcticus, 210. 
„ atlanticus, 210. 
„ currulatua, maculata, 210. 
„ dccrescem, var. 'polaris, 210. 
„ „ „ rc})Uta, 210. 
,, denarius, 210. 
,, elegans, 210. 
„ excentricAis, 210. 
,, fasciculatns, 210. 
,, gazellx, 282. 
