Tooth of _Ceratodus serratus_ and _C. Altus_. 147. _Ceratodus Fosteri_. 148. Footprints of _Cheirotherium_. 149. Section of tooth of _Labyrinthodont_. 150. Skull of _Mastodonsaurus_. 151. Skull of _Rhynchosaurus_. 152. _Belodon_, _Nothosaurus_, _Paloeosaurus_, &c. 153. _Placodus gigas_. 154. Skulls of _Dicynodon_ and _Oudenodon_. 155. Supposed footprint of Bird, from the Trias of Connecticut. 156. Lower jaw of _Dromatherium sylvestre_. 157. Molar tooth of _Microlestes antiquus_. 158. _Myrmecobius fasciatus_. 159. Generalised section of the Jurassic rocks. 160. _Mantellia megalophylla_. 161. _Thecosmilia annularis_. 162. _Pentacrinus fasciculosus_. 163. _Hemicidaris crenularis_. 164. _Eryon arctiformis_. 165. Group of Jurassic Brachiopods. 166. _Ostrea Marshii_. 167. _Gryphoea incurva_ 168. _Diceras arietina_. 169. _Nerinoea Goodhallii_. 170. _Ammonites Humphresianus_. 171. _Ammonites bifrons_. 172. _Beloteuthis subcostata_. 173. Belemnite restored; diagram of Belemnite; _Belemnites canaliculata_. 174. _Tetragonolepis_. 175. _Acrodus nobilis_. 176. _Ichthyosaurus communis_. 177. _Plesiosaurus dolichodeirus_. 178. _Pterodactylus crassirostris_. 179. _Ramphorhynchus Bucklandi_, restored. 180. Skull of _Megalosaurus_. 181. _Archoeopteryx macrura_. 182. _Archoeopteryx, restored_. 183. Jaw of _Amphitherium Prevostii_. 184. Jaws of Oolitic Mammals. 185. Generalised section of the Cretaceous rocks. 186. Cretaceous Angiosperms. 187. _Rotalia Boueana_. 188. _Siphonia ficus_. 189. _Ventriculites simplex_. 190. _Synhelia Sharpeana_. 191. _Galerites albogalerus_. 192. _Discoidea cylindrica_. 193. _Escharina Oceani_. 194. _Terebratella Astieriana_. 195. _Crania Ignabergensis_. 196. _Ostrea Couloni_. 197. _Spondylus spinosus_. 198. _Inoceramus sulcatus_. 199. _Hippurites Toucasiana_. 200. _Voluta elongata_. 201. _Nautilus Danicus_. 202. _Ancyloceras Matheronianus_. 203. _Turrilites catenatus_ 204. Forms of Cretaceous _Ammonitidoe_. 205. _Belemnitella mucronata_. 206. Tooth of _Hybodus_. 207. Fin-spine of _Hybodus_. 208. _Beryx Lewesiensis_ and _Osmeroides Mantelli_. 209. Teeth of _Iguanodon_. 210. Skull of _Mosasaurus Camperi_. 211. _Chelone Benstedi_. 212. Jaws and vertebræ of _Odontornithes_. 213. Fruit of _Nipadites_. 214. _Nummulina loevigata_. 215. _Turbinolia sulcata_. 216. _Cardita planicosta_. 217. _Typhis tubifer_. 218. _Cyproea elegans_. 219. _Cerithium hexagonum_. 220. _Limnoea pyramidalis_. 221. _Physa columnaris_. 222. _Cyclostoma Arnoudii_. 223. _Rhombus minimus_. 224. _Otodus obliquus_. 225. _Myliobatis Edwardsii_. 226. Upper jaw of Alligator. 227. Skull of _Odontopteryx toliapicus_. 228. _Zeuglodon cetoides_. 229. _Paloeotherium magnum_, restored. 230. Feet of _Equidoe_. 231. _Anoplothelium commune_. 232. Skull of _Dinoceras mirabilis_. 233. _Vespertilio Parisiensis_. 234. Miocene Palms. 235. _Platanus aceroides_. 236. _Cinnamomum polymorphum_. 237. _Textularia Meyeriana_. 238. _Scutella subrotunda_. 239. _Hyalea Orbignyana_. 240.