INDEX. 



4OI 



Gorgonidce, 292. 

 iJraUatores. 297. 

 Graphite, 36 ; mode of occurrence of, 36, 



68 ; origin of, 36. 

 Graptolites, 89, 100 ; structure of, 100 ; 



of the Lower Silurian, Iu0-lu3; of the 



Upper Silurian, 118. 119. 

 Great Oolite, 2<7, 2*9; Upper, 257, 258, 



260 



Greenland, Miocene plants of, 311. 

 Greeusand, Lower, 57, 260. 

 Green sands, origin of, 44, 263. 

 Grevillea, 262, 3u8. 

 Gnfithides, 179. 

 Grizzly Bear, 359 

 Ground Sloths, S51. 

 Gryphcea, 236 ; incurva, 236. 

 Guelph Limestone, 117. 

 Gulo luscus, 360 ; spelceus, 360. 

 Guttenstein Beds, 205, 206. 

 Gymnospermous Exogens, 262. 

 Gypsum, 32, 193, 204. 

 Gyracanthus, 188. 

 Gyroceras, 130. 



Hadrosaurus, 278. 



Haiitherium, 299. 



Hallstadt Beds, 205, 206. 



Halobia, 211. 



Halysites, 119; agglomerata, 120; caten- 



ularia, 120. 



Hamilton formation, 135, 137. 

 Hamites, 273 ; rotundus, 274. 

 Haplophlebium Barnesi, 182. 

 Harlech Grits, 78, 79. 

 Harpesy 108, 123 ; ungula,l24. 

 Flastings Sands. 257. 

 Headon and Osborne series, 287, 288. 

 Heart-urchins, 311. 

 Heliolites, 105, 119, 2fi6. 

 Heliophyllvm, 142, 173 ; exiguum, 141. 

 Helix, 294. 

 Helladotherium, 317. 

 Heloporafragilis, 126. 

 Hemicidaris crenulam, 233. 

 Hemiptera, 311. 

 Hemitrochiscus paradaxus, 197. 

 Hempstead Beds, 306. 

 Hesperornis, 281, 282 ; regalis, 282. 

 Heteropoda, 111 ; of the Lower Silurian, 

 111 ; of the Upper Silurian, 129 ; of the 

 Devonian, 148; of the Carboniferous, 

 186. 



Hinnites, 213. 



Hipparion, 301, 3 r 2, 316, 317, 328. 

 Hippopodium, 235 



Hippopotamus, 3( 2: amphibhts, 317, 329; 

 major, 329, 336, 354 ; Sivalensis, 318. 



Hippothoa, 108. 



Hippurite Marble, 270. 



Hippurites, 270; Toucasiana, 271. 



Hipptiritidce, 270, 285. 



Hixtioderma, 82 



Hollow-horned Ruminants, 317. 



Holocyatis eleyans, 266. 



Holopea, 129 ; subconica, 129. 



Holopella, 129, 213; obaoleta, 129. 



Holoptychius, 153; nobiJissimua, 154. 



Holostomatous Univalves, 236, 293. 



Holothurians, 120. 



Holtenia, 264. 



Homacaiithus, 188. 



Homal<motu$, 123, 145 ; arina'.ux, 144. 



Homo diluvii testis, 313. 



Honeycomb Corals, 142 



Hoofed Quadrupeds, 300. 



Hudson River Group, 95. 



Huronian Period, 75, 76; rocks of. 75. 



Hycena crocuta, 360; spelcea, 360; //ij>- 



parionum, 330. 

 Hycenictis, 322. 

 Hycenodon, 304. 

 Hyalea D'Orbignyana, 312. 

 Hybodm. 214, 242, 275. 

 Bydmctinia, 265. 

 Hydroid Zoophytes, 103, 2f 5. 

 Hymenocaris vermicauda, 84, 88. 

 Hymenophyllites, 165. 

 Hymenoptera, 311. 

 Hyopotamns, 302. 

 Hyperodapedon, 218. 

 HypsiprymnopMs, 2'_'4. 

 Hystrix primigcnius, 322. 



Ichthyocrinus Icevis. 122. 



Ichthyornis, 281, 2-^2: dispar, 281, 282. 



Ichthyosaurus, 242, 243, 276; communis, 

 242. 



Ictitherium, 322 



Iguana, 277. 



Jguanodon, 277, 278 ; Mantelli, 278. 



Ilfracombe Group, 134. 



Illcemis, 108, 123 



Imperfection of the palseontological re- 

 cord, 50, 51. 



Inferior Oolite, 227, 229. 



Infusorial Earth, 33. 



Inoceramus, 269 ; sulcatus, 270. 



Insectivora, of the Eocene, 35; of the 

 Miocene, 322. 



Insects, of the Devonian, 145 ; of the 

 Carboniferous, 182 ; of the Jurassic, 

 233 ; of the Miocene, 311, 312. 



Irish Elk, 354, 355. 



Ischadites, 99, 118. 



Isopod Crustaceans, 81. 



Jackson Beds, 289 



Jurassic peiiod, 226; rocks of, 226-229; 

 life of, i 29-255. 



Kaidacarpum, 230. 

 Kainozoic period, 44, 284-287. 

 Kangaroo, 348. 

 Kelloway Rock, 227 

 Kent's Cavern, deposits in, 343. 

 Keuper, 204, 206. 

 Kimmeridge Clay, 227, 229. 

 King-crabs, 84, 124, 125, 179. 

 Koninckia, 213, 214 

 Kossen Beds, 205, 206. 



Labyrinthodon Jcegeri, 217. 



Labyrinthodontia, 190 ; of the Carbon- 

 iferous, 189-191; of the Permian, 2ou; 

 of the Trias, 215-217. 



Lace-corals, 108, 125, 145, 183, 198, 210. 



Lacertilia, 202; of the Permian, 201, 202; 

 of the Trias, 217, 218 ; of the Jurassic, 

 251 ; of the Cretaceous, 280. 



Lcelaps, 278. 



Lamellibranchiata, of the Cambrian, 88 ; 

 of the Lower Silurian, 110; of the 

 Upper Silurian, 128 ; of the Devonian, 



