266 



iNPE?:. 



Earlets, of Ctenophora, 218. 



Kcderun, 149. 



EchinoporxIcB, zoy, 2J7. 



Ecmesus, 247. 



tCcthoraeum, 4. 



Ectoderm, 3, 10, 17. 



Eduardsia, 162, 199. 



Elasmocoema. 246. 



Embryo, i^i Hydruzoa, 51 ; of Aciiiio- 



zoa, 170. 

 Emynonsia, 238 

 Enallohcelia. 259. 

 Enderon, 149. 

 Endoderm, 3, 10. 17. 

 Enriopacliys, 241. 

 Endopfit/Uum, 244. 

 Eiidoplasts, 10. 

 Ephyra, 66 

 Epitheca, 157. 

 Epithelial layer, of disc in Medusidcc 



and hucernarida: , 35 ; of body-wall 



in Actinozoa, 136, 149. 

 Eriduphyilum, 238. 

 Eucopia(^^ 120. 

 Eudcndrium, 83, 87 — 9. 

 Euhcelia, 246. 

 Enmenides, 148, 200. 

 Euphyllia. 240. 

 Enpsamnia, 203. 241. 

 Eurltamphcea, 218, 220, 223, 227, 228. 

 Eurymceandra, 239. 

 Eurystoniata, 218, 231. 

 Exotliecae, 156. 

 Eye-specks, 38, 166. 



Families, of Corynidce, 89; of Sertu- 

 iaridii-, 95 ; of Cal//cophorid<s, 100 ; 

 of Physop/ioridcc. 113; of Menusido', 

 119; of Lucernaridce, 125 ; of Zuan- 

 tharia, 205 ; of Alcyonaria,z\i ; of 

 Rugosa, 215; of Ctenophora, 230. 



Fan-Corals, 186. 



Favia, 239. 



Fai'ositcs, 238. 



Favonitida;, 205, 206, 237, 244, 245. 



Fecundati'.ii, in Hydrozua, 50 ; m ^c- 

 tinoxoa, 170. 



Feelers, o{ P/iysopkorida^, 40. 



Fibrillation, of tissues, 8. 



Filament, of tentacle in Hydrozoa, 33. 



Firm part, of Velella, 104. 



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

 soids,o3; of Sto7nobrnchiUTn,6i: of 

 Hydra-tuba, 66 J of Actinozoa, 182, 

 185. 



Fistiilipora, 238. 



FletscUerin, 244. 



Float, of Physophoridce, 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 



Actitioxoa, 236—47. 

 Fresh-ttater forms of Ccelenterata, 13, 



126. 

 Frinping-reefs, 191 — 4. 

 Fungia, 199. 

 FuLgidcCy 203, 207, 232, 237, 244, 246, 



247. 

 Funnel, of Ctenophora, 144, 220. 



Galaiea, 240. 



Gamogenesis, 75. 



Ganglia, of Actinia, 166 ; of Cieno- 

 phora, 167. 



Garveia, 88. 



Gastric filaments, of Litcernaridce, 

 124. 



Gastric region, of polypite, 29. 



Gemmation, 72; of Coelenterata, 6; of 

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

 Actinozoa, 182—90. 



Genabacia, 247. 



General cavity, of Hydrozoa, 17. 29 ; 

 of Actinozoa, 17, 141. 



General morphology, of Ccelenterata, 

 I, 6, ID ; of Hydrozoa, 25 ; oi 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 Telclla, 106. 



Giobate cnidte, 150. 



Goniastraa, 240. 



Goniocora, 239- 



Goniophyllum, 244. 



Gunoblastidia, 45; ; of Corynidce, 46, 

 88 ; of St'rivUiridce, 46, 94; of /*%- 

 sophoridcc , 112. 



Gonocalyx, 43. 



Gonophores, structure of, 40 — 5 ; po. 

 sition of, 45—7; of Corynidce. 41, 

 44, 88 ; of Sirtularidce, 44, 46, 93 ; 

 of CalycophoridoB, 45, 99; of Physo- 

 phoridce, 45, III. 



Gonotheca, 47. 



Gorgonia, 161. 232, 235. 



Gorgonidce, general characters of, 163, 

 210, 214 ; somatic cavity of, 141 ; 

 sclerobasis of, 154, 162; spicu'es of, 

 161; develoi-ment of, 185 ; distribu- 

 tion of. 232; relation* of, to time, 

 237,246. 



Graphularta, 247. 



(iraptoliies, 130. 



Gymnophthalmata, 120. 



Gynophore, 45. 



Hadrophyllum, 244. 

 Haimeia, 208. 

 Halecium, 93. 

 Halicornaria. 93. 

 Halislemma, 103, 108. iii, 112. 



