INDEX. 



267 



Hallia, 244. 



llulysiUs, Z44. 



Hnplucania, 247. 



Hnplophyllia, 2J9. 



Haplosmilia, 240. 



Heliastrcea, 259. 



Hcliolites, 238. 



Heliophyllum, 244. 



Hcteractis, zcxi. 



Heterocccnin, 246. 



Hippopodiidte, 100. 



Hippopbdiiis, 45, 98, 99. 



History, ol Ui/ilrozoii, ip; of ^c^?- 

 nozort, 2}6; ol Zcirtw/Art?va, 242 ; of 

 liugosa, 243; of Alcyonaria, 24 j. 



Hoenial region, 17. 



Holvcoenia, 246. 



Holocystis, 214, 247. 



Hortniphora, 152. 



Jlyalochcetidce, 201, 206. 



Hyalonema, 154. 



liyolopathes, 154, 241. 



Hybocania, 239. 



Hydiiof hura. 2 p. 



Hydra, morphology and physiology 

 of 20— s; development of, 51; amoe- 

 boid condition ol, 11, 52 ; s.pecies of, 

 82; distribution of, 126, 127. 



H>dra-tiil)a, 65—7, 124. 



Hydractinia, tentacles of, 32, 87 ; coe- 

 nosarc of, 83; polypary of 85; gono- 

 phores ol, 41, 45 ; gouoblasudia of, 

 46. 



Hydrides, 51, 79, 80. 



H>dri)cysts, of Physopkoridce, 40. no. 



Hydr2ecium, of Calycuphoridce, 96, 99. 



Hydrophyliia, 35 ; of Cali/cophoridte, 

 99; of P/iysopfiondiP, 108. 



Hydrorhiza, 26. 



Hydrosoma, 25. 



Hydrothecae, of SertularidcE, 27, 70, 

 92. 



Hydroxoa, type of, 20 ; general cha- 

 racters ot, 19, 20; development of, 

 51; classification of, 79; distribution 

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

 HymenophyUia, 246. 



Ilyanthus, 198. 

 Indefinite gemmation, 184. 

 Individuality, of animals, 13, 71. 

 Inner layer, of blastoderm, 16. 

 Integument, of Coelenteratn, 10 ; of 



Hydroxoa, 34 ; of Actmuxoa, 149. 

 Intermediate layer, 16. 

 Involucrum, 34. 

 Irregular gemmation, 184. 

 Isastrcea, 239, 

 Isis, 154, 210, 240, 241. 



Jelly-fishes, 13, 127. 

 Jurassic Corals, 245. 



Koninrkia, 247. 

 K^p/U'dclcmuon, 212 



Lahfcheia, 244. 



Lagoon, 192. 



Lamellar corallum, 187. 



Lappets, of Beroida:, 218, 



7>ar, 88. 



Layers, of Coelenterata, j, 10. 



Lrptocyathns, 247. 



Leptophyllia, 246. 



Leplorid, 240. 



LeSueuria, canals of, 222, 223; tenta- 

 cles of, 228. 



I.rucothea, tentacles of, 228. 



Lite, duration of, in Actinozoa, i8z. 



Life history, of Hydroxoa, 51 ; of AC' 

 tinoxoa, 170. 



Limb, of Fdella, 104. 



Lineolaria, gonophores of, 128. 



I.iriope, 60, 115. 



Litharoea, 247. 



Lithocysts, oi Lucernarida, 38, 124. 



Lithophyllia, 240. 



Lithostrotion, 238. 



Liver, of Hydroxoa, 31, ic6; o{ Acti- 

 niixoa, 137, 147. 



Lixxia, development of, 60, 63. 



Lobupsamnia, 247. 



Locomotive organs, of Hydroxoa, j6; 

 of Actinoxoa, 164. 



Loculi, 155. 



Lonsda/eia, 245. 



LophohcBlia, 240. 



LopUophyUuin, 23O. 



Lovhosmilia, 240. 



Lncernaria, 40, 121, 124, 125. 



Lucernariadii, 67, 120, 122—5. 



Lucernaiidcc, general characters of, 

 80, 120 — 5 J unibi ella of, 27, 37, 124; 

 lithocysts of, 38, 124; canal system 

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

 reproduciive zodids of, 47; develop- 

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

 distribution of, 127, 128. 



Lucernaroids, 123. 



Lyellia, 244. 



Madrepora, 241. 



Madreporidec, 203, 207, 232—4, 237, 



246, 247. 

 Malacodermata, 201, 205, 237. 

 Manubrium, 43. 

 Marginal bodies, of Medusidte, 37 ; of 



Luceniartdie, 38, 124 ; of Actinia, 



165. 

 Massive corallum, 187. 

 Meconidia, of Campanularia Loveni, 



95- 



Medusidce, general characters of, 80, 

 114—20; nectocalyx of, 36, 116; 

 marginal bcdies of 37 ; polypite of, 

 Ii5i tentacles of, 117; reproductive 

 organs of, 118 ; development of, 60, 

 118; families ot, 119; distribution 

 of, 128; phosphorescrnce of, 129. 



Mfdusiform gonophores, 45. 



Medusoids, 43, 45, 62, 118. 



