266 



INDEX. 



Earlets, of Ctenophora, 218. 

 Ecderon, 149. 



Echinoporidce, 207, 237. 



E ernes us, 247. 



tScthoraeum, 4. 



Ectoderm, 3, 10, 17. 



Edwardsia, 162, 199. 



Elasmoccenia, 246. 



Embryo, of Hydrozoa, 51 ; of Actino- 

 zoa, 170. 



Emmonsia, 238. 



Enallohcelia , 239. 



E rider on, 149. 



Endoderm, 3, 10, 17. 



Endopachys, 241. 



Endophyllum, 244. 



Endoplasts, 10. 



Ephyra, 66. 



Epitheca, 157. 



Epithelial layer, of disc in Medusidce 

 and Lucernaridce , 35 ; of body- wall 

 in Actinozoa, 136, 149. 



Eridophyllum, 238. 



Eucopidce, 120. 



Eudendrium, 83, 87 — 9. 



Euhcelia, 246. 



Eumenides, 148, 200. 

 Euphyllia, 240. 



Eupsamnia, 203, 241. 



Eurhamphcea, 218, 220, 223, 227, 228. 

 Eurymceandra, 239. 

 Eurystomata, 218, 231. 

 Exothecse, 156. 



Eye-specks, 38, 166. 



Families, of Corynidce, 89; of &>r/w- 

 laridce, 95 ; of Call/ cop hor idee, 100 ; 

 of Physophoridce, 113; of Medusidce \ 

 119; of Lucernaridce, 125 ; of Zoaw- 

 tharia, 205 ; of Alcyonaria,n^ ; of 

 liugosa, 215; of Ctenophora, 230. 



Fan-Corals, 186. 



Favia, 239. 



Favositcs, 238. 



Favositidce, 205, 206, 237, 244, 245. 



Fecundation, in Hydrozoa, 50 ; in ^4c- 

 tinozoa, 170. 



Feelers, of Physophoridte, 40. 

 Fibrillation, of tissues, 8. 



Filament, of tentacle in Hydrozoa, zi. 



Firm part, of JV/e/fo, 104. 



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

 soids, 63; of Stomobrochium, 63; of 

 Hydra-tuba, 66 j of Actinozoa, 182, 

 185* 



Fistulipora, 238. 



Fletscheria, 244. 



Float, of Phy soph or idee, 27, 101. 

 Foot secretion, 153. 



Form of body, in Ccelenterata, 6 ; in 

 Hydrozoa, 25—7; in Actinozoa, 196, 

 208, 216. 



Formless contractile substance, 52. 

 Forskalia, ^4, 102, 108, in. 

 Fossil Corals, 236. 



Fossil forms, of Hydrozoa, 130; of 

 Actinozoa, 236—47. 



Fresh-water forms of Ccelenterata, 12, 

 126. 



Fringing-reefs, 191— 4. 

 Fungi a , 199. 



Fungidce, 203, 207, 232, 237, 244, 246, 

 247. 



Funnel, of Ctenophora, 144, 220. 



Galax ea, 240. 



Gamogenesis, 75. 



Ganglia, of Actinia, 166; of C/erao- 

 p hora, 167, 



Garveia, 88. 



Gastric filaments, of Lucernaridce, 

 124. 



Gastric region, of polypite, 29. 



Gemmation, 72; of Ccelenterata, 6; of 



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



Actinozoa, 182—90. 



Genabacia, 247. 



General cavity, of Hydrozoa, 17, 29 ; 

 of Actinozoa, 17, 141. 



General morphology, of Ccelenterata, 

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

 nozoa, 138. 



Geographical distribution, of Hydro- 

 zoa, 127; of Actinozoa, 233. 



Germinal dot, 15. 



Germinal vehicle, 15. 



Geryonia, marginal vesicle of, 38. 



Geryonidce, 120. 



Glandular sacs, of Velella, 106. 



Globate cnidae, 150. 



Goniastrcea, 240. 



Goniocora, 239. 



Goniophyllum, 244. 



Gonoblastidia, 45 ; of Corynidce, 46, 

 88 ; of Sertularidce, 46, 94; of /7<#- 

 sophoridee, 112. 



Gonocalyx, 43. 



Gonophores, structure of, 40—5 ; po- 

 sition of, 45—7 ; of Corynidce, 41, 

 44, 88 ; of Sertularidce, 44, 46, 93 ; 

 of Calycophoridce, 45, 99; oi t hyso- 

 pfioridce, 45, in. 



Gonotheca, 47. 



Gorgonia, 161, 232, 235. 



Gorgonidce, general characters of, 163, 

 210, 214 ; somatic cavity of, 141 ; 

 sclerobasis of, 154, 162; spicules of, 

 161; development of, 185; distribu- 

 tion of, 232 ; relations of, to time, 

 237,246. 



Graphularia, 247. 



Graptolites, 130. 



Gymnophthalmata, 120. 



Gynophore, 45. 



Hadrophyllam, 244. 

 Haimeia, 208. 

 Halecium, 93. 

 Halicornaria, 93. 

 Halistemma, 103, 108, in. 112. 



