

INDEX. 



267 







Hallia, 244- 

 Haly sites, 244. 



Haplocccnm, 247. 



HaplophyUia, 239. 



Haplosmilia, 246. 



Heliastraa, 239. 



Heliolites, 238. 



Hehophyllum, 244. 



Heteractis, 200. 



Hcteroccenia, 246. 



Hippopodiidce, 100. 



Hippopodius, 45, 98, 99. 



History, of Hydrozoa, 130; of .4 c/?'- 

 7?0%ofl, 236; of Zoantharia, 242; ot 

 Rugosa, 243; of ALcyonaria, 243. 



Hoemal region, 17. 



Holoccenia, 246. 



Holocystis, 214, 247. 



Hormiphora, 152. 



Hyalochcetidce, 201 , 206. 



Hyalonema, 154. 



Hyalopathes, 154, 241. 



Hyboccenia, 239. 



Hydnophora, 240. 



Hydra, morphology and physiology 

 of. 20—5; development of, 51; amoe- 

 boid condition of, 11, 52 ; species of, 

 82; distribution of, 126, 127. 



Hydra-tuba, 65—7, 124. 



Hydractinia, tentacles of, 32, 87 ; cce- 

 nosarc of, 83; polypary of, 85; gono- 

 phores of, 41, 45 ; gonoblastidia of, 



46 - 

 Hydrides, 51, 79, 80. 



Hydrocysts, of Physophoridcc, 40, no. 



Hydrascium, of Calycophoridce, 96, 99. 



Hydrophyllia, 35 ; of Calycophoridce, 



99; of Physophoridce, 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; distribution 

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



Hymenophyllia, 246. 



Ilyanthus, 198 

 Indefinite gemmation, 184. 

 Individuality, of animals, 13, 71. 

 Inner layer, of blastoderm, 16. 

 Integument, of Ccelenterata, 10 ; of 



Hydrozoa, 34 ; of Actinozoa, 149. 

 Intermediate layer, 16. 

 Involucrum, 34. 

 Irregular gemmation, 184. 

 Isastrcea, 239. 



his, 154, 210, 240, 241. 



Jelly-fishes, 13, 127. 

 Jurassic Corals, 245. 



Koninckia, 247. 

 Kophubelemnon, 212. 



Labecheia, 244. 

 Lagoon, 192. 

 Lamellar corallum, 187. 

 Lappets, of Beroidce, 218. 

 Lar, 88. 



Layers, of Ccelenterata, 3, 10. 

 Leptocyathus, 247. 

 Leptophyllia, 246. 

 Leptoria, 240. 



LeSueuria, canals of, 222, 22?: tenta- 

 cles of, 228. 



Leucothea, tentacles of, 228. 

 Lite, duration of, in Actinozoa, 182. 

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

 tinozoa, 170. 

 Limb, of Velella, 104. 



lAneolaria, gonophores of, 128. 

 Liriope, 60, 115. 



Litharcea, 247. 



Lithocysts, of Lucemaridce, 38, 124. 

 Lithophyllia, 240. 

 L ith os trot ion ,238. 



Liver, of Hydrozoa, 31, ic6; of Acti- 

 nozoa, 137, 147. 



Lizzia, development of, 60, 63. 

 Lobopsamnia, 247. 



Locomotive organs, of Hydrozoa, 36; 



of Actinozoa, 164. 

 Loculi, 155. 



Lonsdaleia, 245. 



Lophohcelia, 240. 



Lophophyllum, 238. 



Lophosmilia, 240. 



Lucernaria, 40, 121, 124, 125. 



Lucernariadce, 67, 120, 122—5. 



Lucemaridce, general characters of, 

 80, 120—5 j umbrella of, 27, 37, 124; 

 lithocysts of, 38, 124 ; canal system 

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

 reproductive zooids of, 47; develop- 

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

 distribution of, 127, 128. 



Lucernaroids, 123. 



Lye Ilia, 244. 



Madrepora, 241. 



Madreporidcc, 203, 207, 232—4, 237, 



246, 247. 

 Malacodermata, 201, 205, 237. 

 Manubrium, 43. 

 Marginal bodies, of Medusidce, 37 ; of 



Lucemaridce, 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 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. 



