INDEX. 



517 



Halitherium, ii. 309, 310, 311. 



Hallia, i. 213. 



Halobia, i. 477, 478. 



Haly sites, i. 203. 



Halysitidce, i. 202. 



Hamites, ii. 59, 75, 85, 86. 



Hamster, ii. 409. 



Hamulina, ii. 86. 



Haploceras, ii. 83. 



Haplocrinidoe, i. 276. 



Haplocrinus, i. 276. 



Haplophlebium, i. 406. 



Hajolophyllia, i. 206, 211. 



Harpagornis, ii. 267. 



Harpedidce, i. 363. 



Harpes, i. 355, 364. 



Harpides, i. 370. 



Harpoceras, ii. 83. 



Matteria, ii. 203. 



Heart-urchins, i. 242. 



Helcdetes, ii. 331. 



llclianthaster, i. 251. 



Heliastrcea, i. 193. 



Helicidce, ii. 642. 



Helicoceras, ii. 84. 



Helicotoma, ii. 24. 



Heliodiscus, i. 131. 



Heliolites, i. 198, 202, 219, 221, 222. 



Heliolitidoe, i. 176. 



Heliophyllum, i. 213, 214. 



HeUopora, i. 198, 219, 220, 221. 



Helioporidce, i. 220. 

 Heliozoa, i. 129. 



Helix, ii. 43. 



Helladotherium, ii. 363. 



Helminthochiton, ii. 35. 



Helodus, ii. 159. 



Helohyus, ii. 347. 



Helopora, i. 424, 425. 



Hemeristia, i. 406. 



Hemiaspis, i. 382, 383. 



Hemiaster, i. 243. 



Hemibos, ii. 367. 



llemicardium, i. 497. 



Hemiceras, ii. 50. 



Heinicidaridce, i. 231. 



Ilemicidaris, i. 227, 229, 231. 



Uemicosmites, i. 286, 295. 



Jlemicyon, ii. 399. 



Hemicystites, i. 252. 



Heinipedina, i. 232. 



Hemipronites, i. 455. 



Hemiptera, i. 407, 408. 



Hemitrochiscus, i. 394. 



Hemitrypa, i. 422. 



Hermit-crabs, i. 393. 



Herpetotherium, ii. 414. 



Hesperomys, ii. 410. 



Hesperornis, ii. 268, 269, 270. 



Heterocercal tail of Fislies, ii. 118. 



Heterodictya, i. 424. 



Heterophyllia, i. 189, 191. 



Heteropoda, characters of, ii. 38 ; fam- 

 ilies of, ii. 39. 



Heteropora, i. 201, 414, 432. 



Heteroporella, i. 432. 



Heterostegina, i. 121. 

 Hexacoralla, i. 179, 182. 

 Hexacrinus, i. 279. 

 Hexactinellidce, i. 142-147. 

 Hexaprotodon, ii. 343. 

 Hexarhizites, i. 154. 

 Hinnites, i. 474. 

 Hipparion, ii. 336, 338, 339. 

 Hippocampidce, ii. 130. 

 Bipponyx, ii. 32. 

 Hippopodium, i. 484, 485. 

 Mippopotamidce, ii. 342. 

 Hippopotamus, ii. 342, 343. 

 Hiiipopus, i. 495. 

 Hippothoa, i. 426, 427. 

 Hippothoidce, i. 427. 

 Hippurite Limestone, i. 493. 

 Hippurites, i. 494, 495. 

 Hippuritidm, i. 469, 470, 493. 

 Histioderma, i. 318. 

 Hoernesia, i. 481. 

 Holaster, i. 241. 

 Holcodus, ii. 206. 



Holectypus, i. 239. 



Holocephali, ii. 153, 154. 



Holocystis, i. 206, 210, 211. 



HolocystUes, i. 292, 293. 



Holodus, ii. 170. 



Holopea, ii. 21, 22. 



Holo-pella, ii. 21. 



Holophagus, ii. 141. 



Holopidce, i. 283. 



Holops, ii. 209, 210. 



HoloptycMus, ii. 140, 142, 143. 



Holopus, i. 283. 



Holostomata {Gasteropoda), ii. 514. 



Holothuroidea, i. 225, 305. 



Homacanthus, ii. 158, 159. 



Homacodon, ii. 350. 



Homalodontotheritmn, ii. 329. 



Homalonotus, i. 351, 354, 356, 363, 369. 



Homalophus, ii. 265. 



Homocamelus, ii. 356. 



Homocercal tail of Fishes, ii. 118. 



Homotaxeous deposits, i. 42, 45. 



Momothetus, i. 405. 



Hoplocetus, ii. 313. 



Hoploparia, i. 392. 



Hornera, i. 428, 430. 



Horny Sponges, i. 133. 



Horse (see Eqiius). 



Huronia, ii. 70. 



Hycena, ii. 397, 398. 



Hyoenarctos, ii. 394. 



Hycenictis, ii. 397. 



Hymnklce, ii. 392, 396. 



Hyanodon, ii. 400, 401. 



HycenodjOntidm, ii. 400. 



//yaZea, ii. 47, 48, 49. 



Hyaleidce, ii. 48. 



Hyalonema, i. 144, 145. 



Hyhoclypus, i. 239. 



Hybodonts, ii. 160. 



Hyhodtts, ii. 157, 160, 161. 



Hydractinia, i. 155, 156, 157. 



Hydrida, i. 154. 



