INDEX. 



423 



Mariacrtnus, 125. 



Marmots, 334. 



Marsupials, 309; of the Trias, 230; of 

 the Jurassic, 261,262 ; of the Eocene, 

 309; of the Miocene, 326; of the 

 Post-Pliocene, 361, 362. 



Marsupiocrinux, 124. 



Marsupites, 274. 



Mastodon, 331, 333, 384; Americanus, 

 angustidens, 333; Arvenensis, 341; 

 longirostris, 333; Ohioticus, 370; Siva- 

 lensis, 332. 



Medina Sandstone, 118. 



Megalichthys, 192. 



Megalodon, 150. 



Megalomus, 130. 



Megalonyx, 365. 



Megalosaurus, 256, 287. 



Megatherium, 363, 364 ; Cuvieri, 363. 



Melania, 304. 



Melonites, 182. 



Menevian Group, 77-79. 



Menobranchus, 193. 



Meristella 130; cylindrtca, 129; inter- 

 media, 129 ; naviformis, 129. 



Mesopithecus, 334. 



Mesozoic Period, 45. 



MichcUnia, 145. 



Micraster, lib. 



Microlestes, 230 ; antiquus, 229. 



Middle Devonian, 136; Eocene, 2%, 

 298, 299; Oolites, 234 ; Silurian, 92. 



Miliolite Limestone, 300. 



Millepora, 237. 



Millstone Grit, 162, 164. 



Miocene period, 316; rocks of, in 

 Britain, 316; in France, 317: in 

 Belgium, 317; in Switzerland, 317; 

 in Austria, 317; in Germany, 3i8; 

 in Italy, 318 ; in India, 318 ; In North 

 America, 318; life of, 319-334. 



Mitre-shells, 280, 303. 



Mitra, 280, 803. 



Moas of New Zealand, 359-361. 



Modiolopsis, 111 ; Xolvensis, 88. 



Molasse, 317. 



Mole, 334, 349. 



Monkey s,31G, 343, 



Monocotyledonous plants, 271. 



Monograptus, 101. 121 ; priodon, 121. 



Monotis, 217. 



Monte Bolca, fishes of, 305. 



MontlivaUia, 215. 



Mosasauroids. 287, 288. 



Mosasaurm, 287; Cam peri, 287;prin- 

 ceps, 288. 



Mountain Limestone, 161, 164. 



Mud-fishes, 156. 221. 



Mud-turtles, 289. 



Mull, Miocene strata of, 316. 



Miirc.hisonia, 112, 131, 203, 219 ; gracilis, 

 112. 



Murex, 244, 303. 



Muschelkalk.208,209, 211. 



Musk-deer, 328. 



Musk-ox, 357, 358, 370. 



Musk-sheep, 370. 



Myliobatis, Edwardsii, 306. 



M'ylodon, 365 ; robuxtus, 365. 



Xyophoria. 216; linen ta, 216. 



Myriapoda of the Coal, 184, 185. 



Nassa, 303. 



Natatores, 807. 



Natica, 279, 303. 



Nautilus, 113-116, 132, 151, 190, 204, 244, 



280, 304; Danicus, 280; pompilius. 244. 

 Neanderthal skull, 378. 

 Neocomian series, 264, 268. 

 Ncolimulus, 127. 



Ncrinsea, 244, 279 ; Goodhallii. 244. 

 Nerita, 303. 

 Neuropteria, 322. 

 Neuropteris, 138, 167, 200. 

 Newer Pliocene, 335, 336. 

 New Red Sandstone, 197, 208. 

 Newts, 193, 204, 223. 

 Niagara Limestone, 118. 

 Nipadites, 300: ellipticus, 300. 

 Nseggerathia, 201. 

 Norwich Crag, 336. 

 Nothosaurus,225; mirabilis, 225. 

 Notidanus, 249. 

 Numenius gypvorum, 307. 

 Nummulina, 176, 300; lacvigata; 301; 



pristina, 176. 

 Nummulitic Limestone, 25, 297, 301. 



Oak, 270, 321. 



Obolella,$8;sagittalis, 88. 



Odd-toed Ungulates, 310, 326, 340, 367. 



Odontaspis, 283. 



Odontopteris, 167; Schlotheimi, 168. 



Odontopteryx, 308; toliapicits, 308. 



Odontornithes, 290. 



Ogygia, 110; Buchii, 108. 



Older Pliocene, 335, 336. 



Oldhamia, 81; antiqua, 82; stores o/ 

 Ireland, 79, 80. 



Old Red Sandstone, 135; origin of 

 name, 135; of Scotland 136; rela- 

 tions of, to Devonian, 135, 136, 157. 



Olenus, 109; micriirux, 88. 



Oligocene, 316. 



Oligoporus, 182. 



Olive-shells, 303. 



Omphyma, 121. 



Onchus, 132; tenuistriatus, 132. 



Oneida Conglomerate, 118. 



Onychodus, 156 ; sigmoidcs, 154. 



Oolitic limestone, structure of, SO; 

 mode of formation of, 30. 



Oolitic rocks (see Jurassic). 



Ooze Atlantic, 23, 34. 



Ophidia, 260; of the Eocene, 308. 



Ophiiiridea, of the Lower Silurian, 

 106 ; of the Upper Silurian, 122; of 

 the Carboniferous, 180; of the 

 Trias, 215; of the Jurassic, 246. 



Opossum, 309, 326. 



Or bit aides, 301. 



Oriskany Sandstone, 137. 



Ormoxylon, 140. 



Orohippus, 312. 



Orthi*, 89, 111, 127, 149, 188, 111 ; bifor- 

 ata, 110; Davidsoni, 12d:eicgantuta, 

 129; flabcllulum, 110; llltksii, 88; 

 lenticularis, 88; plicatetto. 111: re- 

 8upinata,l89 ; subquadrata, 110 ; te^M- 

 dinaria. 111. 



Orthoceras 89, 114, 115, 132, 151, 190, 114 ; 

 crebriseptum, 114. 



Orthonofa, 112. 



Orthoptera, 185, 322. 



