INDEX. 



403 



Middle Devonian, 134; Eocene, 287, 288, 

 289 ; Oolites, 227 ; Silurian, 91. 



MiKoIite Limestone, 290. 



Millepora, 230. 



Millstone Grit, 159, 161. 



Miocene period, 305 ; rocks of, in Britain, 

 305, 306; in France, 306; in Belgium, 

 307 ; in Switzerland, 306 ; in Austria, 

 307; in Germany, 307; in Italy, 307; in 

 India, 307 ; in North America, 307 ; life 

 of, 308-323. 



Mitre-shells, 271, 293. 



Mitra, 271, 293. 



.Moas of New Zealand, 346-348. 



Modiolopsis, 111 ; Solvensis, 88. 



Molasse, 306. 



Mole, 322, 336. 



Monkeys, 305, 331. 



Monocotyledonous plants, 262. 



Monograptus, 100, 119 ; priodon, 119. 



Monotis, 211. 



Monte Bolea, fishes of, 295. 



MontUvaltia, 209. 



Mosasauroids, 279, 280. 



Mosasaurus, 279 ; Camperi, 279 ; prin- 

 ceps, 279. 



Mountain Limestone, 158, 161. 



Mud-fishes, 153, 215. 



Mud-turtles, 280. 



Mull, Miocene strata of, 306. 



Murchisonia, 111, 129, 199, 213 ; gracilis, 

 111. 



Murex, 237, 293. 



Muschelkalk, 203, 204, 206. 



Musk-deer, 317. 



Musk-ox, 344, 345, 356. 



Musk-sheep, 356. 



Myliohatis Edwardsii, 296. 



Mylodon, 351 ; robustus, 352. 



Myophorm, 211 ; lineata, 211. 



Myriapoda of the Coal, 181, 182. 



Nassa, 293. 



Natatores, 297. 



NcdticQ, 271 ''93. 



Nautilus, 112-114, 130, 149, 186, 199, 237, 



272, 294 ; Danicus, 272 ; pompilius, 237. 

 Neanderthal skull, 364. 

 Neocomian series, 257, 260. 

 NeoUmulus, 125. 



Nerincea, 237, 271 ; Goodhallii, 237. 

 Nerita, 393. 

 Neuroptera, 311. 

 Neuropteris, 136, 165, 196. 

 Newer Pliocene, 323, 324. 

 New Red Sandstone, 193, 203. 

 Newts, 189, 200, 217. 

 Niagara Limestone, 117. 

 Nipadites, 290 ; ellipticus, 290. 

 N oeggerathia, 197. 

 Norwich Crag, 324. 

 Nothosaurus, 219 ; mirabilis, 219. 

 Notidanus, 241. 

 Numenius gyp)sorum, ^^ij. 

 NuirmnuUna, 172, 290; Icevigata, 290; 



pristina, 172. 

 Nummulitic Limestone, 24, 287, 291. 



Oak, 262, 310. 



Obolella, 87 ; sagittalis, 88. 



Odd-toed Ungulates, 300, 315, 327, 353. 



Odontaspis, 275. 



Odontopteris , 165 ; Schlotheimi, 164. 



Odontopteryx, 297 ; toliapicus, 297, 298. 

 Odontornithes, 282. 

 Ogygia, 108 ; Buchii, 107. 

 Older Pliocene, 323, 324. 



Oldhamia, 81 ; antiqua, 82 ; slates of 

 Ireland, 79, 80. 



Old Red Sandstone, 133 ; origin of name, 

 133 ; of Scotland, 134 ; relations of, to 

 Devonian, 133, 134, 155 



Olenus, 108 ; micrurus, 88. 



Oligocene, 305. 



Ohgoporus, 178. 



Olive-shells, 293. 



Omphyma, 119. 



Onchus, 130 : tenuistriatus, 131. 



Oneida Conglomerate, 116. 



Onychodus, 153 ; mgmoides, 151. 



Oolitic limestone, structure of, 28 ; mode 

 of formation of, 30. 



Oolitic rocks {see Jurassic). 



Ooze, Atlantic, 22, 33. 



Ophidia, 251 ; of the Eocene, 296. 



Ophiuroidea, of the Lower Silurian, 105 ; 

 of the Upper Silurian, 120 ; of the Car- 

 boniferous, 177 ; of the Trias, 210 ; of 

 the Jurassic, 233. 



Opossum, 299,'315. 



OrUtoides, 291. 



Oriskany Sandstone, 135. 



Ormoxylon, 138. 



Orohippus, 302. 



Orthis, 38, 109, 125, 147, 184, 199 ; Uforata, 

 109 ; Davidsoni, 127 ; elegantula, 127 ; 

 flabellulum, 109; Hicksii, 38; lenticu- 

 laris, 38; pUcatella, 110; resupinata, 

 185 ; subquadrata, 109 ; teshtdinaria, 

 110. 



Orthoceras, 89, 112, 113, 130, 149, 186, 

 213 ; crebriseplum, 113. 



Orthonota, 111. 



Orthoptera, 182, 311. 



Osmeroides, 276 ; MantelU, 276. 



Osmerus, 276. 



Osteolepis, 153. 



Ostracode Crustaceans of the Cambrian, 

 83 ; of the Lower Silurian, 107 ; of the 

 Upper Silurian, 123 ; of the Devonian, 

 145; of the Carboniferous, 179 ; of the 

 Permian, 197 ; of the Trias, 210 ; of the 

 Jurassic, 233 ; of the Cretaceous, 267. 



Ostrea acuminata, 235 ; Couloni, 269 ; 

 deltoidea, 235 ; distorta, 235 ; expansa, 

 ■gregarea, 235 ; Marshii, 235, 236. 



Otodus, 295 ; obliquus, 296. 



Otozamites, 230. 



Otozoum, 206. 



Oudenodon, 220; Bainii, 221. 



Ovibos moschatus, 356. 



Oxford Clay, 227, 229. 



Oxyrhina, 312 ; xiphodon, 313. 



Oysters, 235, 236, 269. 



Pachyphyllum, 173. 



Palcearca, 111. 



Palmaster, 120 ; Ruthveni, 121. 



Palasterina, 120; primceva, 121. 



Palcechmus, 120, 178 ; ellipticus, 177. 



Palceocaris, ISO ; typxis, 180. 



Palceocoma, 120 ; Colvini, 121. 



Palceocoryne, 172. 



Palseolithic man, remains of, 363-365. 



Palceomanon, 118. 



Paloeoniscus, 188, 200. 



