INDEX. 



267 



Hallia, 244. 



Halysites, z^\, 



Hajjlocccnui, 247. 



Haplophi/llia, zig. 



Haplosniilia, 246. 



Heliasfrwa, 239. 



Heliohtes, 238. 



Heliophi/lluin, 244. 



Heteractis, zca. 



Heterocccnia, 246. 



Hippopodiidi^, 100. 



Hippopudins, 45, 98, 99. 



Historj', 01 Hydroxoa, 130; of ^c//- 

 nosort, 2,6; of Zoaniharia, z^-z; 01 

 RugGsa, 243; oi Alci/o7iaria, 143. 



Hcemal region, 17. 



Holocvenia, 246. 



Holoci/stis, 214, 247. 



Hur7)iiphora, 152. 



HyalochcBtidiP. 201, 206. 



Hyalonema, 154. 



liyalopathes, 154, 241. 



liybocccnia, 239. 



Hydnoj'hura, 2^0. 



Hydra, morphology and physiology 

 of. 20 — 5; development of, 51; amce- 

 boid condition of, 11, 52 ; species of, 

 8?,; distribution of, 126, 127. 



H)dra-tuba, 65—7, 124. 



Hydractima, tentacles of, 32, 87 ; cce- 

 nosarc of, 83; polyjiary of, 85; gon(j- 

 phores oi, 41, 45 ; goiioblastidia of, 

 46. 



Hydndce, 51, 79, 80. 



H)drocy.>-ts, oi PItysophoridce, 40 no. 



Hydraecium, of Calycuphoridce, 96. 99. 



Hydrophyliia, 35 ; of Calycophunace, 

 99; ot''PIiys(iphuri<ice, 108. 



Hydrorhiza, 26. 



Hydrosoma, 25. 



Hydrothecse, of Sertularidce, 27, 70, 

 92. 



Hydrozoa, type of, 20 ; general cha- 

 racters of, 19, 20 ; development of, 

 51; classification of. 79; distribitioi: 

 of, 126,; relations ol, to time, 130. 



Hymenophyllia, 246. 



Ilyanthus. 198. 

 Indefinite gemmation, 184. 

 Individuality, of animals, 13, 71. 

 Inner layer, of blastoiierm, 16. 

 Integument, of Cceleyderata, 10 ; ' f 



Hydrozoa, 34 ; of Actinuzoa, 149. 

 Intermediate layer, 16. 

 Involucrum, 34. 

 Irregular gemmation, 184. 

 Isastrcea, 239. 

 Isis, 154, 210, 240, 241. 



Jelly-fishes, 13, 127. 

 Jurassic Corals, 245. 



Koninckia, 247. 

 Kophobdemuon, 212 



Labecheia, 244. 



Lagoon, 192. 



Lamellar corallum, 187. 



Lappets, of Beroida, 218. 



Lar, 88. 



Layers, of Ccelentcraia, 3, 10. 



Lepfocyathus, 247. 



Leplophyllia, 246. 



Leptoria, 240. 



LeSueuria, canals of, 222, 223; tenta- 

 cles of, 228. 



Leucothea, tentacles of, 228. 



Life, duration of, in Actinuzoa, 182. 



Life- history, of Hydroxou, 51 ; of Ac- 

 tinozoa, 170. 



I>imb, of Velella, 104. 



Lincolaria, gonophores of, izS. 



lAriope, 6o, 115. 



Litkarcea, 247. 



Lithocysts, of Luceriiaridcv, 58, 124. 



Lithnphyllia, 240. 



Lilhoslrotion, 238. 



Liver, of Hydrozoa, 31, 106; ot Acti- 

 7iozoa, 137, 147. 



Lizzia, development of, 60, 63. 



Lobupsamnia, 247. 



Locomotive organs, of Hydroxoa, 36; 

 of Actinnzoa, 164. 



Loculi, 155. 



Lonsrialeia, 245. 



Lop/ioJiielia, 240. 



Lopliophyllum, 238. 



Tjophosinilia, 240. 



Liiccrnaria, 40, 121, 124, 125. 



Lucernariadce, 6j, 120, 122 — 5. 



LitcernaridcE, general characters of, 

 80, 120 — 5; nnihrella of, 27^37, 1^.4; 

 litliocysts of, 38, 124; canal system 

 of, 48, 124; gastric filaments of, 124; 

 reproductive zociids of, 47; develop- 

 ment of, 64, 123 : families of, 125 ; 

 distribution of, 127, 128. 



Lucirnaroids, 123. 



LyelLia, 244. 



Madrepora, 241. 



Madreporidcc, 203, 207, 232—4, 237, 

 246, 247. 



^laUicodermata, 201, 205, 237. 



Manubrium, 43. 



Marginal bodies, of Medusuice, 37 ; of 

 Lucernarida , 38, 124 ; of Actinia, 

 165. 



Massive corallum, 187. 



Meconidia, of Canipanularia Loveni, 

 95- 



Mcdusidte, general characters of, 80, 

 114 — 20; nectocalyx of, 36, 116; 

 marginal bodies of 37 ; polypite of, 

 115; tentacles of, 117; reproductive 

 organs of, 118 ; development of, 60, 

 118; families of, 119; distribution 

 of, 128; phosphorescence of, 129. 



Medusiform gonophores, 45. 



Medusoids, 43, 45, 62, 118. 



