INDEX. 



403 



Middle Devonian, 134 ; Eocene, 287, 288, 

 289 ; Oolites, 227 ; Silurian, 91. 



Miliolite Limestone, 290. 



Millepora, 230. 



Millstone Grit, 159, 161. 



Miocene period, 305 ; rocks of, in Britain, 

 305, 306; in Fiance, 306; in Belgium, 

 307; in Switzerland, 306; in Austria, 

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

 India, 307; in North America, 307; life 



Mitre-shells, 271, 293. 



Mttra, 271, 293. 



Moas of New Zealand, 346-348. 



Mmholopsis, 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. 



Montlivaltia, 209. 



Mosasauroids, 279, 280. 



Mo.mxaurus, 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, 



Mure'x, 237, 293. 

 Muschelkalk, 203, 204, 206. 

 Musk-deer, 317. 

 Musk-ox, 344, 345, 356. 

 Musk-sheep, 356. 

 Myliobatis Edwardsii, 296. 

 iM : /'"<I:i,i, 351 ; robmtw, 352. 

 MU'plmna, 211; lineata, 211. 

 Myriapoda of the Coal, 1S1, 182. 



Nassa, 293. 



Natatores, 297. 



Natica, 271, 293. 



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



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

 Neanderthal skull, 364. 

 Neocomian series, 257, 260. 

 Neolimidus, 125. 



Nerincea, 237, 271 ; Goodhallii, 237. 

 Merita, 393. 

 Neuroptem, 311. 

 Neuropteris, 136, 165, 196. 

 Newer Pliocene, 323, 324. 

 New Red Sandstone, 193, 203. 

 Newts, 189, 200, 217. 

 Niagara Limestone, 117. 

 NipadiUs, 290 ; ellipticus, 290. 

 N ceggerathia, 197. 

 Norwich Crag, 324. 

 Nothosaurus, 219 ; mirabilis, 219. 

 Notidamis, 241. 

 Numenius gypsorum, 297. 

 Nummulina, 172, 290; Icevi/jata, 290; 



pristina, 172. 

 Nummulitie Limestone, 24, 287, 291. 



Oak, 262, 310. 



Oboklla, 87 ; sagittalis, 88. 



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



Odontaspis, 275. 



Oduniopteris, 105 ; Schlotheimi, 164. 



Odontopteryx, 297 ; toliapicus, 297, 298. 



Odontornithes, 282. 



Ogygia, 108 ; Buc/tii, 107. 



Older Pliocene, 323, 324. 



Oldhamia, 81 ; antiqua, 82 ; slates of 

 Ireland, 79, SO. 



Old Red Sandstone, 133 ; origin of name, 

 133; of Scotland, 134; relations of, to 

 Devonian, 133, 134, 155. 



Olenus, 108 ; micrurus, 88. 



Oligocene, 305. 



Ohgoporiis, 178. 



Olive-shells, 293. 



Omphyma, 119. 



Onchus, 130 ; tenuistriatus, 131. 



Oneida Conglomerate, 116. 



Onychodus, 153 ; aigmoides, 151. 



Oolitic limestone, structui-e of, 28 ; mode 

 of formation of, 30. 



Oolitic rocks (nee 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. 



Orbitoides, 291. 



Oriskany Sandstone, 135. 



Ormoxylon, 138. 



Orohlppus, 302. 



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

 109 ; Davidsoni, 127 ; elegantula, 127 ; 

 flabellulum, 109; Hicksd, 38; lenticu- 

 laris, 38; pltcatella, 110; rempinata, 

 185; subquadrata, 109; testudinaria, 

 110. 



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

 213 ; crebriseplum, 113. 



Orthonota, 111. 



Orthoptera, 182, 311. 



Osmeroides, 276 ; Mantelli, 276. 



Osments, 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 ; distorla, 235 ; expansa, 

 gregarea, 235 ; Marshii, 235, 236. 



Otodus, 295 ; obliqwis, 296. 



Otozamites, 230. 



Otozoum, 206. 



Oudenodm, 220; Bainii, 221. 



Ovibos moschatus, 356. 



Oxford Clay, 227, 229. 



Oxyrhina, 312 ; xiphodon, 313. 



Oysters, 235, 236, 269. 



Pachyphyllum, 173. 



Palcearca, 111. 



Palceaater, 120 ; Ruthveni, 121. 



Palasterina, 120; primceva, 121. 



Palcechinus, 120, 178 ; ellipticus, 177. 



Palceocaris, 180 ; typus, 180. 



Palceocoma, 120 ; Colvini, 121. 



Palceocoryne, 172. 



Palaeolithic man, remains of, 363-365. 



Palceomanon. 118. 



Palceoniscus, 188, 200. 



