INDEX. 
Gorgonide, 292. 
Grallatores, 297. 
Graphite, 36; mode of occurrence of, 36, 
68 ; origin of, 36. 
Graptolites, 89, 100; structure of, 100; 
of the Lower Silurian, 100-103; of the 
Upper Silurian, 118, 119. 
Great Oolite, 227, 229; Upper, 257, 258, 
260 
Greenland, Miocene plants of, 311. 
Greensand, Lower, 257, 260. 
Green sands, origin of, 44, 263. 
Grevillea, 262, 308. 
Grifjithides, 179. 
Grizzly Bear, 359 
Ground Sloths, $51. 
Gryphea, 236 ; incurva, 236. 
Guelph Limestone, 117. 
Gulo luscus, 360 ; speleus, 360. 
Guttenstein Beds, 205, 206. 
Gymnospermous Exogens, 262. 
Gypsum, 32, 193, 204. 
Gyracanthus, 188. 
Gyroceras, 130. 
Hadrosaurus, 278. 
Halitheriwm, 299. 
Hallstadt Beds, 205, 206. 
Halobia, 211. 
Halysites, 119; agglomerata, 120; eaten- 
ularia, 120. 
Hamilton formation, 135, 137. 
Hamites, 273; rotundus, 274. 
Haplophlebium Barnesi, 182. 
Harlech Grits, 78, 79. 
Harpes, 108, 123 ; ungula,124. 
Hastings Sands, 257. 
Headon and Osborne series, 287, 288. 
Heart-urchins, 311. 
Heliolites, 105, 119, 266. 
Heliophyllum, 142, 173; exiguum, 141. 
Helix, 294. 
Helladotherium, 317. 
Helopora fragilis, 126. 
Hemicidaris crenularis, 233. 
Hemiptera, 311. 
Hemitrochiscus paradoxus, 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. 
Honnites, 213. 
Hipparion, 301, 392, 316, 317, 328. 
Hippopodium, 235. 
Hippopotamus, 302; amphibius, 317, 329; 
Major, 329, 336, 354; Swvalensis, 318. 
Hippothoa, 108. 
Hippurite Marble, 270. 
Hippurites, 270; Toucasiana, 271. 
Hippuritide, 270, 285. 
Aistioderma, 82. 
Hollow-horned Ruminants, 317. 
Holocystis elegans, 266. 
Holopea, 129; subconica, 129. 
Holopella, 129, 213; obsoleta, 129. 
Holoptychius, 153; nobilissmus, 154. 
Holostomatous Univalves, 236, 293. 
Holothurians, 120. 
Holtenia, 264. 
Homacanthus, 188. 
401 
Homalonotus, 123, 145; armatus, 144. 
Homo diluvit testis, 313. 
Honeycomb Corals, 142. 
Hoofed Quadrupeds, 300. 
Hudson River Group, 95. 
Huronian Period, 75, 76; rocks of, 75. 
Hyena crocuta, 360; spelea, 360; Hip- 
parionum, 330. 
Hyenietis, 322. 
Hycenodon, 304. 
Hyalea D’Orbignyana, 312. 
Hybodus, 214, 242, 275. 
HAydractinia, 265. 
Hydadroid Zoophytes, 103, 265. 
Hymenocaris vermicauda, 84, 88. 
Hymenophyllites, 165. 
Hymenoptera, 311. 
Hyopotamus, 302. 
Hyperodapedon, 218. 
Hypsiprymnopsis, 224. 
Hystrix primigenius, 322. 
Ichthyocrinus levis, 122. 
Ichthyornis, 281, 282: dispar, 281, 282. 
Ichthyosaurus, 242, 243, 276; communis, 
242 
Ictitherium, 322. 
Iguana, 277. 
Iguanodon, 277, 278; Mantelli, 278. 
Ilfracombe Group, 134. 
Jilenus, 108, 123 
Imperfection of the paleontological re- 
¢ord, 50, 51. 
Inferior Oolite, 227, 229, 
Infusorial Earth, 33. 
Inoceramus, 269; sulcatus, 270. 
Insectivora, of the Eocene, 305; of the 
Miocene, 322. 
Insects, of the Devonian, 145; of the 
Carboniferous, 182; of the Jurassic, 
233 ; of the Miocene, 311, 312. 
Trish Elk, 354, 355. 
Ischadites, 99, 118. 
Isopod Crustaceans, 84. 
Jackson Beds, 289 
Jurassic period, 226; rocks of, 226-229; 
life of, 229-255. 
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 Jegeri, 217. 
Labyrinthodontia, 190; of the Carbon- 
iferous, 189-191; of the Permian, 200; 
of the Trias, 215-217. 
Lace-corals, 108, 125, 145, 183, 198, 210. 
Lacertila, 202: of the Permian, 201, 202; 
of the Trias, 217, 218; of the Jurassic. 
251; of the Cretaceous, 280.  - 
Lelaps, 278. 
Lamellibranchiata, of the Cambrian, 88 ; 
of the Lower Silurian, 110; of the 
Upper Silurian, 128; of the Devonian, 
zc 
