INDEX. 



403 



Middle Devonian, 134 ; Eocene, 287 288, 

 289; Oolites, 227; Silurian, 91. 



Miliolite Limestone, 290. 



M Me para, 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 

 of, 308-323. 



Mitre-shells, 271, 293. 



if lira, 271, 293. 



Moas of New Zealand, 346-348. 



Moiholopsis, 111 ; Solvcnsis, 88. 



Molasse, 306. 



Mole, 322, 336. 



Monkeys, 305, 331. 



Moiiocotyledonous plants, 262. 



Moiioyraptus, 100, 119 ; priodon, 119. 



Monotis, 211. 



Monte Bolea, fishes of, 295. 



Montlivaltta, 209. 



Mosasauroids, 279, 280. 



Mosasaurm, 279; Camperi, 279; prin- 

 ceps, 279. 



Mountain Limestone, 108, 161. 



Mud-fishes, 153, 215. 



Mud-turtles, 280. 



Mull, Miocene strata of, 306. 



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



Murex, 237, 293. 

 Muschelkalk, 203, 204, 206. 

 Musk-deer, 317. 

 Musk-ox, 344, 345, 356. 

 Musk-sheep, 356. 

 Myiiobatii JMinmJaii, 296. 

 Mylndon, 351 ; robmtm, 352. 

 Xyophona, 211; lineata, 211. 

 Mijriapoda, of the Coal, 181, 182. 



Nassa, 293. 



tfatatores, 297. 



Natica, 271, 293. 



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



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

 Neanderthal skull, 364. 

 Neocomian series, 257, 260. 

 Neolimulus, 125. 



Merinoea, 237, 271 ; Goodhallh, 237. 

 Nf.rita, 393. 

 Neuroptera, 311. 

 Neuropteris, 136, 165, 196. 

 Newer Pliocene, 323, 324. 

 New Red Sandstone, 193, 203. 

 Newts, 189, 200, 217. 

 Niagara Limestone, 117. 

 Nipaditf.s, 290 ; ellipticus, 290. 

 JV 'oeggerathia, 197. 

 Nonvich Crag, 324. 

 Nothosaurus, 219 ; mirabilis, 219. 

 Notidanm, 241. 

 Numenius gypsorum, 297. 

 Nummulina, 172, 290; latviyata, 290 ; 



pristina, 172. 

 Nummulitic Limestone, 24, 287, 291. 



Oak, 262, 310. 



Obnlella, 87 ; sagiUalis, 88. 



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



Odontaxpis, 275. 



Odunioptens, 105; Schlotheimi, 104. 



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. 

 OUgoponis, 178. 

 Olive-shells, 293. - 

 Omphyma, 119. 



Onchus, 130 ; tenuistriatus, 181. 

 Oneida Conglomerate, 116. 

 Onychodus, 153 ; xigmoides, 151. 

 Oolitic limestone, structure of, 28 ; mode 



of formation of, 30. 

 Oolitic rocks (.see Jurassic). 

 Ooze, Atlantic, 22, 33. 

 Ophidla, 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. 

 Orohippus, 302. 



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

 109 ; Davidsoni, 127 ; elegantula, 127 ; 

 Jlabellulum, 109; llicksti, 38; lenticu- 

 larls, 38; plicatella, 110; resupinata, 

 185; subquadrata, 109; testudinaria, 

 110. 

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



213 ; crebriseptum, 113. 

 Orthonola, 111. 

 Orthoptera, 182, 311. 

 Osmeroidcs, 276 ; Mantelli, 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 ; distorla, 235 ; expansa, 

 gregarea, 235 : Marshii, 235, 236. 

 OtMlit*, 295 ; nbliquus, 296. 

 Otozamites, 230. 

 Otozown, 206. 



Oudenodm, 220; Bainii, 221. 

 Oeibos moschatus, 356. 

 Oxford Clay, 227, 229. 

 Oxyrhina, 312 ; xiphodon, 313. 

 Oysters, 235, 236, 269. 



Pachyphyllum, 173. 



Pala-arca, 111. 



Palceaster, 120 ; Ruthveni, 121. 



Palasterina, 120; primcuva, 121. 



PaUechimis, 120, 17S ; elUjiticws, 177. 



Pultun*, isn; typus, 180. 



Palmocvma, 120; Colvini, 121. 



ra'a'olit'hicm'an, remains of, 363-365. 

 Pnlceomanon. 118. 

 Palceoniscuv, 188, 200. 



