INDEX. 



265 



Conioscris, 146. 



Conocyathus, Z47. 



Conslellaria, 244. 



Continuous development, yj. 



Conversion, chemical, of tu.iies, 9. 



Coppinia, 91. 



Coral, isj. 



Coral ol commerce, 234. 



Coral -reefs, 191 — 5. 



Corals, 140, 15}. 



Corallite, 155. 



CoraUiu7n, pores of, 142; corallum of, 



154, 210; distribution of, 232,234. 

 Corallum, structure of, 153— 62; de- 

 velopment of, 173 — 8, 185—90; of 

 Zoanthaha, 201—5 ; of Alci/imaria, 

 159, 209 ; of liugosa, 214 

 Corbula, of Plimiularia cristata, 95. 

 Cordylupliora, gonophores of, 44, 45, 

 88 ; development of, 54 ; ccenosarc 

 of, 82; tentacles of, 86; distribution 

 of, 126, 127. 

 Cornularia, 160, 209. 

 Coronets, 155. 

 Cort/nactis, 200, 201. 

 Curyiie, gonophores of, 41, 88, 89; 

 tentacles of, 86 j distribution of, 

 126. 

 Coryniadce, 89. 



Coryni'JiC, general characters of, 79, 

 82 ; tentacles of, 32, 85—8 ; cceno- 

 sarc of, 82 ; polypary of, 35, 85 ; 

 polypites of, 29, 85 ; gonophort'S of, 

 40—6, 88. 89 ; development of, 

 54 ; families ot, 89 ; distribution of, 

 126, 127. 

 Costae, 156. 

 Craspeda, 134. 

 Oaspedota, 120. 

 Cretaceous Corals, 246. 

 Cryptangia, 247. 

 Cryptoc-arpte, 120. 

 Cryptolaria, 128. 

 Ctenocyst, 144^ 166. 

 Ctenop/iora, type of, 142; general 

 characters of, 139, 142, 196, 216 ; 

 form and size of, 140, 216—9; 

 canal system of, 144, 219 ; tentacles 

 of, 225 ; tegumentary organs of, 

 149, 152 ; tliread-cells of, 151 ; cte- 

 nophiires of, 164; nervous system 

 of, 167; organs of sense ot, 166, 

 168; reproductive organs of, 169; 

 habits of, 229 ; phosphorescence of, 

 230 ; development of, 178 ; fimilies 

 of, 230 ; distribution of, 253—5. 

 Ctenophoral canals, 146, 219. 

 Ctenophores, 143, 164. 

 Cunina, development of, 60, 61 ; 



pouches of, 116. 

 Cyanca, 47, 64, 127. 

 L yathaxonia, Z14. 238. 

 Cyalhaxunidie, 216, 237. 

 Cynthophora, 239. 

 CyatUvpliyllidcE, 216, 237, 244, 245. 



CyathophyUnm, 184, 215, 238. 



CyiKhiiscris, 247. 

 Cycle, of septa, 175. 

 Cycloci/fifhtis, 246. 

 Cyclolitcs, 240. 

 Cycloseris, 240. 

 Cydosmitia, 247. 

 Cydippe, 142. 

 Vyphastrcen, 240. 

 Cystiphyllidce, 216, 237, 244. 

 Vystiphylluni, 215, 238. 



Dactylostnilia, 246. 



Dauaia, 244. 



Dasima, 247. 



Dasnndce, 207, 237, 247. 



Dasyphyllia, 240 



Definite gemmation, 184. 



Dekaia, 244. 



Dt'ltocyathus, 247. 



Dtndracis, 247., 



Dendrophyllia, 241. 



Dendropora, 244. 



Deudrosmilia, 247. 



Dendrostyies, of Rhizostomidce, 49. 



Dcpastrum, 121. 



Deposition, clicmical, in tissues, 9 



Derrnoscleiites, 160. 



Dcsmophyllu))!, 240. 



Development, of animals, 14, 18, 70 ; 

 of Ccelenterata, 14. 17, iS ; of Hy- 

 drozoa, 51 ; of Aclinuzon. 170; of 

 Hydridce, 51 ; of Corymdce, 54; of 

 Seriularidce 56; oi Calycuphoridte, 

 57 ; of Fhysophoiidce, 57 ; of MC' 

 dusidce, 60 ; of Luccrnaridce, 64 ; 

 of Zuanthiiria and Alcyonaria, 170, 

 185 ; of Ctenopkora, 178. 



Devonian Coials, 244. 



Deuterozoiiids, 74. 



Dicori,nc, 88. 



Digestive sac, of Actinozoa, i}2, 141, 

 144, 220. 



Diniorpliaslr^a, 247. 



Dipliyd/E, 100 



DiphyeSy 50, 96, 99, loO, 128. 



Dipliyozodids, 100, 127. 



Diploctenium, 246. 



Diplohcelia, 247. 



Diploiicma, 63. 



Diplorid, 240. 



Disc, gelatinous, of MediisidcB and 

 Luceruaridce, 34; of Actinia and 

 its alles, 131, 198. 



Di^cocyathus, 246. 



Discontmuous development, 73. 



Discosoma, 199. 



Discolrochus, 247. 



Dissepiments, 155. 



Distal extremity, of hydrosoma, 25 ; 

 of polypite, 29. 



Distal nectocalyx, of Diphyes and 

 Abi/la, 96, 98. 



Distribution, of Ccelenterata, 13 ; of 

 Hydruzoa, 126; oi Actinozoa, 231. 



