INDEX. 



4OI 



Gorgonidce, 292. 

 Grallatores. 297. 

 Graphite, 36 ; mode of occurrence of, 36, 



68 ; origin of, 36. 

 Qraptolites, 89, 100; structure of, 100; 



of the Lower Silurian, 100-103; of the 



Upper Silurian, 118, 119. 

 Great Oolite, 2i7, 229; Upper, 257, 258, 



260 



Greenland, Miocene plants of, 311. 

 Greeusand, Lower, 257, 260. 

 Green sands, origin of, 44, 263. 

 Grevittea, 262, 308. 

 Qrijftthides, 179. 

 Grizzly Bear, 359 

 Ground Sloths, S51. 

 Gi-<//>!ir<'a, 236; incurva, 236. 

 Guelph Limestone, 117. 

 Gulo luxcus, 360 ; spelccus, 360. 

 Guttenstein Beds, 205, 206. 

 Gymnospermous Exogens, 262. 

 Gypsum, 32, 193, 204. 

 Gyracanthus, 188. 

 Gyroceras, 130. 



Hadrosaurus, 278. 



Ualitherinm, 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. 

 Harpes, 108, 123 ; 

 Hastings Sands, 257. 

 Headon and Osborne series, 287, 288. 

 Heart-urchins, 311. 

 Heliolites, 105, 119, 266. 

 Heliophyllvm, 142, 173; exiguum, 141. 

 Helix, 294. 

 Helladotherium, 317. 

 Heloporafragilis, 126. 

 Hemicidarig 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. 



Hinnites, 213. 

 Hipparion, 301, . _ 

 Hippopodium, 235. 

 Hippopotamus, 302; amphibhts, 317, 329; 



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



" - 108. 



<thoa, 1( 

 Hippurite Marble, 270. 

 Hippurites, 270; Toucasiana, 271. 

 Hippitritid<e, 270, 285. 

 Hitstioderma, 82. 

 Hollow-horned Ruminants, 317. 

 Holoci/ftis elegans, 266. 

 Holopea, 129 ; subconica, 129. 

 Holopella, 129, 213; obsoleta, 129. 

 Holoptychius, 153 ; nobilissimus, 154. 

 Holostbmatous Univalves, 236, 293. 

 Holothurians, 120. 

 Holtenia, 264. 

 Homacanthus, 188. 



Homalonotus, 123, 145 ; armatus, 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; flip- 



parionum, 330. 

 Hyanictis, 322. 

 Hycenodon, 304. 

 Hyalea D'Orbignyana, 312. 

 Hybodus. 214, 242, 275. 

 Bydractinia, 265. 

 Hydroid Zoophytes, 103, 265. 

 Hymenocaris vcrmicauda, 84, 88. 

 Hymenophyllites, 165. 

 Hymenoptera, 811. 

 Hyopotamus, 302. 

 Hyperodapedon, 218. 

 Hypsiprymnopxis, 224. 

 Hystnx primigenius, 322. 



Ichthyocrinus Icevis, 122. 



Ichthyornis, 281, 282; di'spar, 281, 282. 



Ichthyosaurus, 242, 243, 276; commwrsis, 

 242. 



Ictitherium, 322. 



Igtuma, 277. 



Iguanodun, 277, 278 ; ifantelli, 278. 



Ilfracombe Group, 134. 



Illcenus, 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, 305; 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, 84. 



Jackson Beds, 289 



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

 life of, V 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. 

 Kniiinckia, 213, 214. 

 Kossen Beds, 205, 206. 



Labyrinthodon Jcegeri, 217. 



Labi/rinthodontia, 190; of the Carbon- 

 iferous, 189-191; of the Permian, 200; 

 of the Trias, 215-217. 



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



Laci-.rtiUa. 202; of the Permian, 201, 202; 

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

 251 ; of the Cretaceous, 280. 



Lcelaps, 278. 



Lamellibmnchiata, of the Cambrian, 88 ; 

 of the Lower Silurian, 110; of tlic 

 Upper Silurian, 128 ; of the Devonian, 



