264 



INDEX. 



Balanophyllia, 241. 



B;iirier-reefs, 191 — 4. 



Baryhcelin, 246. 



Baryphyllum, 244. 



Jiari/S7nilia, 240. 



Basal gemmation, of Aciinozoa, 182, 

 i8j. 



Bas.l membrane, of Adamsia, 150, 

 198. 



Base, of Actinia and its allies, iji, 

 198. 



Balhycyathus, 240. 



Bathymetrical distriS)ut)on, of Hy- 

 drozoa, 126; of Actinozoa, 231. 



Batter sbyia, 244. 



B('ai/7no7itia. 2j8. 



Beroe, tactile organs of, 168 ; develop- 

 ment of, 180; size of, 216; moutli of, 

 218 ; canals of, 220-1. 



Bcroidce, form of body in, 216 ; lappets 

 of, 218 ; apical filaments of, 219 ; 

 canal system of, 220—2 ; definition 

 of, 231. 



Bimeria, 85, 87, 88. 



Blastoderm, 16. 



Blastotrochus, 202. 



Body-layers, of Coelenterata, 3, 10, 

 17- 



Body-substance, of Protozoa, 7 ; of 

 Coelenterata, 10. 



Body-wall, of Hydrozoa, 25; of Ac- 

 tinozoa, 136, 149. 



Bolina, development of, 179; size of, 

 216; lobes and earlets of, 218; canals 

 01, 2ZO— 3 ; tentacles of, 22/ ; phos- 

 phorescence "f, 230. 



Bougainvillea, 62. 



Brachycynthus, 246. 



Brachyphyllia, 240. 



Urain-stone (oral, 187. 



Briareum,ziz 



Calamophyllia, 239. 



Calice, 155. 



Calicular gemmation, of Actinozoa, 

 183, 184. 



Callianira, 217, 223, 227, 234. 



CallianiridcB , 230. 



Calycophoridce, general characters of, 

 80, 96 ; development of, 57 ; soma- 

 tocyst of, 96 ; ccenosarc of, 98 ; nec- 

 tocalyces of, 98 ; polypites of, 29 ; 

 tentacles of, 32—4; hydrophyllia of, 

 99 ; goiiophores of, 99 ; families of, 

 IOC ; distribution of, 128. 



Calymma, 234. 



Calymmidce , 230. 



Campanularia, 44, 47, 57, 90-5, 126. 



Campanulariadce, 94, 95. 



Campanulina, 93. 



Campophyllum, 238. 



Canal system, of Medusidcs and Lu- 

 cernaridcE, 48, 115. 121— 4; of Cte- 

 nophora, 144—7, 219—24. 



Ciipnea, 199. 



Carboniferous Corals, 244. 



Carduella, 121. 



Caiytphyllia, iso, 



Cassiopeia, 49, 67. 



Cfll-theory, 12. 



Cenlrocoenia. 240. 



Cephea, 49, 67, 123. 



Ceratotrochus, 247. 



CeriaiUhun, 142, 150, 162, 172, 200, 

 201. 



Cestidce, 230. 



Cestum, form and size of, 216 ; canals 

 01, 223 ; tentacles of, 227 ; secretive 

 organ of, 147 ; phosphorescence of, 

 230; distribution of, 234. 



Chambered cnidae, 150. 



Cliarybdea, 126. 



Chiajea, papilla? of, 149; development 

 ot, 180; canals of, 2x0—3; tentacles 

 of, 227. 



Chcetetes, 238, 241, 245. 



Chonaxis, 245. 



Chonophyllum, 244. 



Chotiostegites, 244. 



Chrysaora, 47, 64, 123, 125, 127. 



Cilia, ot Coelenterata, 3 ; of CtenO' 

 phora, 165. 



Cinclides, oi Actinia and its allies,i3S, 

 142. 



Circophyllia, 247. 



Circulation, in Coelenterata, d, 31, 142, 

 147. 2.09. 



Cladangia, 247. 



Cladocora, 240, 



Cladophyllid, 239. 



Classification, of Coelenterata, 14, 19- 

 of Hydrozoa, 79, of Actinozoa, 196 ; 

 of Corynida:, 89 ; of Sertularidte, 95 ; 

 of Calycophoridce, 100; of Physo^ 

 phorida.', 113; of Medusidce, 119; of 

 Lucerniiridce, 125; of Zonntharia, 

 205; o\' Alcyonaria,ziy, of Bugosa, 

 215 ; of Ctenophora, 230. 



Clara, 41, 46, 82, 86. 88. 



Clavatella. 87, 88, 89. 



Clisiophiillwn, 238. 



Cnidce, '3, 150. 



Coelenterata, general characters of, 3, 

 6, 13, 19; classes of, 14, 19; thread- 

 ceils of, 3; minute structure of, 10 ; 

 rievelouinent of, 14—18. 



Ccelusmilia, 239. 



Ca?nenehyiiia, 155, 157. 



Coetiiies, 244. 



Cccnocyathiis, 202. 



Ccenosarc, 27; of Corynidce, 82 — 3; of 

 Scrtularidce, 90 ; of ( alycophoridce, 

 98 ; of Fhysophoridce, loi— 3, 107; of 

 Aciinozoa, 139, 157, 2QI, 208. 



Ccespitose corallum, 186. 



Columella, 155. 



Column, of Zoantharia, 198, 199. 



Columiiaria, 244. 



Covihophyllum, 244. 



Combs, of Ctenophora, 165. 



