266 



INDEX. 



Earlets, of Ctenophora, 218. 



Ecderon, 149. 



Echmoponrtie, zcrj, 437. 



Ecmesus, Z47, 



clcthorceuin, 4. 



Ectoderm, 3. 10, 17. 



Edwardsia, 162, 199. 



Elasmocoenia, 246. 



Embryo, of Hydruzoa, 51 ; of Actino- 



xoa, 170. 

 Emmonsm, 2j8. 

 Enallohoelia, 239. 

 Eiuteron, 149. 

 Endoderm, 3, 10, 17. 

 Endopachys, 241/ 

 Endophyllum, 244. 

 Endoplasts, 10. 

 Ephyra, 66. 

 Epitheca, 157. 

 Epithelial layer, of disc in Medusidts 



and Lucer'naridtB, 35 -, of body-wall 



in Actinozoa, 136, 149. 

 Eridophyllum, 238. 

 EucopidiE, 120. 

 Eudendrhun, 83, 87 — 9. 

 EuhcElia, 246. 

 Eumenides, 148, 200. 

 Euphyllia, 240. 

 Eupsatnnia. 203, 241. 

 Eurhamphcea, 218. 220, Z23, 247, 228. 

 Eurymceandra, 239. 

 Eurystomata, 218, 231. 

 Exotltecas, 156. 

 Eye-specks, 38, 166. 



Families, of CorynidcB, 89 ; of Sertu- 

 laridce, 95 ; of Cali/cophuridce, 100 ; 

 of Phi/scphoridce, 111; *^^ Meausidce, 

 119; of Lucernaridce, 125 ; of Zuan- 

 tkaria, 205 ; of Alcyonaria^iii ; of 

 Rugusa, 215; of Ctenophora, 230. 



Fan-Corals, 186. 



Favia, 239. 



Favositcs, 238. 



Eavositidof, 205, 206, 237, 244, 245. 



Fecundation, ui Hydrozua, 50 ; in .4c- 

 tinozoa, 170. 



Feelers, of Physophoridtef 40. 



Fibrillation, of tissues. 8. 



Filament, of tentacle in Hydrozoa, 33. 



Firm part, of Velella, 104. 



Fission, 72; oi Hydra, 52; of Medu- 

 soids, 63; of Stomobrnchmm, 61; of 

 Hydra-tuba, 66; of Actinozoa, 182, 

 185. 



Fistulipora, 238. 



Flctscheria, 244. 



Float, of Physophorid<e, 27, loi. 



Foot secretion, 153. 



Form of body, in Ccelenterata, 6 ; in 

 Hydrozoa, 25—7; in Actinozoa, 196, 

 208, 216. 



Formless contractile substance, 52. 



Forskalia, 54, 102, 108, III. 



Fossil Corals, 236. 



Fossil forms, of Hydrozoa, 130 ; of 



Actinozoa. 236—47. 

 Fresh-water forms of Ccelenterata, IJ, 



126. 

 Fringing-reefs, 191 — 4. 

 Fungi a, 199. 

 Fut.gida:, 203, 207, 232, 237, 244, 246, 



247. 

 Funnel, of Ctenophora, 144, 220. 



Galaxea, 240. 



Gamogcnesis, 75. 



Ganglia, of Actinia, 166; of Cteno- 

 phira, 167. 



Garveia, 88. 



Gastric filaments, of Lucernaridce, 

 124. 



Gastric region, of polypite, 29. 



Gemm.iti<in, 72; of Ccelenterata, 6; of 

 Hydrozoa, 51, 54, 57, 63, 65, 69 ; ol 

 Actinozoa, 182—90. 



Genabacia, 247. 



General cavity, of Hydrozoa, 17, 29 ; 

 of //c/mo2o«, 17, 141. 



General morphology, of Ccelenterata, 

 I, 6, 10 ; <if Hydrozoa, 25 ; of Acti- 

 ncxoa. 138. 



Geographical distribution, of Hydro- 

 zoa, 127; of Actinozoa, 233. 



Germinal dot, 15. 



Germinal vencle, 15. 



Geryonia, marginal vesicle of, 38. 



GeryoTiidcE, 120. 



Glandular sacs, of Velella, 106. 



Globatecnidse, 150. 



Goniastrcea, 240. 



Goniocor/i. 239. 



Goniophyllitnt, 244. 



Gunoblasiidia, 45 ; of Corynidee, 46, 

 88; of Srrruluridce, 46, g^; of Phy- 

 sophuriiia:, 112. 



Gonocalyx, 43. 



Goiiophcires, structure of, 40— 5 ; po- 

 sition of, 45—7; of Corynidce, 41, 

 44, 88 ; of Srrtvlarid^, 44, 46, 93 ; 

 01 Cci/ycopfiun'dce, 4s>99'i of thyso- 

 phoriilce 45, iii. 



Gonotheca, 47. 



Gorgonia, 161. 232, 235. 



Gorgonidce, general characters of, 163, 

 210, 214 ; somatic cavity of, 141 ; 

 sclerobasis of, 154, 162 ; spicules of, 

 161; develoiment of, 185; distribu- 

 tion of, 232; relations of, to time, 

 237,246. 



Graphularia, 247. 



Graptolires, 130 



Gymnophthalmata, 120, 



Gynophore, 45. 



Hadrophyllum, 244. 

 Haimeia\ 208. 

 Haleciutn, 93. 

 Halicornnria. 93. 

 Halistevinia, 103, 108, ill, IIZ. 



I 



