4O2 



INDEX. 



148 ; of the Carboniferous, 186 ; of the 

 Permian, 198 ; of the Trias, 211 ; of the 

 Jurassic, 234-236; of the Cretaceous, 

 268-270 ; of the Eocene, 292. 



Lamna, 275, 312. 



Lamp-shells (see Brachiopoda). 



Land-tortoises, 313. 



Lauracece, 308. 



Laurentian period, 65; rocks of, 65, 66; 

 Lower Laurentian, 66 ; Upper Lau- 

 rentian, 66 ; areas occupied by Lau- 

 rentian rocks, 66; limestones of, 66, 

 67 ; iron-ores of, 68 ; phosphate of lime 

 of, 68 ; graphite of, 68 ; life of, 67-75. 



Leaf-beds of the Isle of Mull, 306. 



Leda, 292 ; truncata, 338. 



Leyuminosites Marcouanus, 263. 



Lemming, 344, 345. 



Lepadidce, 267. 



Lepadocrinm Gebhardi, 106. 



Leperditia, 108; canadensis, 107. 



Lepidaster, 120. 



Lepidechmus, 178. 



Lepidesthes, 178. 



Lepidodendroids, 166, 167, 27. 



Lepidodendron, 118, 136, 166, 196; Stern- 

 bergi, 167. 



Lepidoptera, 311. 



Lepidosiren, 153. 



tepidostem, 188. 



Lepidostrobus, 166. 



Lepidotus, 275. 



Leptcena, 109, 110, 125, 234; Liassica, 

 235 ; sericea, 110. 



Leptocaelia, 127 ; plano-convexa, 127. 



Lias, 226, 227, 229. 



Lichas, 108. 



Licrophycus Ottawaensis, 97. 



Lignitic Formation of North America, 

 288, 294. 



Lily-encrinite, 209, 210. 



Lima, 235. 



Lime, phosphate of, 30, 31. 



Limestone, 23-27; varieties of, 27-30; 

 origin of, 21 ; microscopical structure 

 of, 26; Crinoidal, 24; Forarniniferal, 

 24, 26. ; coralline, 24 ; magnesian, 27 ; 

 metamorphic, 27 ; oolitic, 28-30 ; piso- 

 litic, 29 ; bituminous, 36 ; Laurentian, 

 67. 



Limncea, 294 ; pyramidalis, 294. 



Limultts. 84, 124, 125, 179. 



Lingula, 87, 88, 110, 127, 147, 198; Cred- 

 nen, 198. 



Lingula Flags, 77, 78, 79, 88. 



Lingulella, 87, 88; Davisii, 88; ferru- 

 ginea, 88. 



Linodendron, 262, 308 ; Meeki, 263. 



Lithostrotion, 173 ; irregulare, 174. 



Lituites, 130. 



Lizards (see Lacertilia). 



Llama, 354. 



Llanberis Slates, 79. 



Llandeilo rocks, 92, 94, 96. 



Llandovery rocks, 93 ; Lower, 93 ; Upper, 



Lobsters, 180, 210, 233, 267. 

 Loess, 339. 



London Clay, 287, 288. 

 Longmynd rocks, 77-SO, 83. 

 Lnnsdaleia, 173. 

 Lophiodon, 316. 

 Lophophyllum, 173. 



Lower Cambrian, 77-79 ; Chalk, 259 ; Cre- 

 taceous, 257, 258 ; Devonian, 134 ; 

 Eocene, 287, 288 ; Greensand, 257. 258 ; 

 Helderberg, 117, 118; Laurentian rocks, 

 66; Ludlow rock, 116; Miocene, 305; 

 Old Red Sandstone, 134 ; Oolites, 227, 

 229: Silurian period, 90-114; rocks of, 

 in Britain, 92-94; in North America, 

 94-96; life of, 97-114-. 



Loxonema, 186, 199, 213. 



Ludlow rocks, 116, 117. 



Lycopodiacece, 118, 136, 167. 



Lynton Group, 134. 



Lyrodesma, 111. 



Macaques, 323, 331. 



Machceracanthiis major, 151, 155. 



Machairodus, 221, 249, 322, 331, 360; 

 cultridens, 331. 



Maclurea, 111; crenulata, 112. 



MacrocheUus, 186, 199, 213 



Macropetalichthya, 152; Sullivanti, 151. 



Macrotherium giganteum, 315. 



Macrurous Crustaceans, 180. 



Mactra, 292. 



Maestricht Chalk, 259, 279, 286. 



Magnesian Lifhestone, 27 ; nature and 

 structure of, 28; of the Permian series, 

 194, 196. 



Magnolia, 262, 290, 310. 



Mammalia, of the Trias, 223, 224; of the 

 Jurassic, 253, 25t; of the Eocene, 

 299-305; of the Miocene, 313-323; of 

 the Pliocene, 327-331; of the Post- 

 Pliocene, 348-362. 



Mammoth, 339. 341, 344, 357-359. 



Man, remains of, in Post-Pliocene de- 

 posits, 341, 344. 



Manatee, 299. 



Mantellia, 230 ; megalophylla, 230. 



Maple, 290, 308, 310. 



Marble, 28 ; encrinital, 24 ; statuary, 27. 



Marcellus Shales, 135. 



Mariacrinus, 122. 



Marmots, 322. 



Marsupials, 299; of the Trias. 223; of the 

 Jurassic. 253, 254; of the Eocene, 299; 

 of the Miocene, 315 ; of the Post-Plio- 

 cene, 348, 319. 



Maraupiocrinus, 122. 



Marsupites, 266. 



Mastodon, 319, 321, 322; Americanus, 

 angustidens, 322; Arvenensis, 329; 

 longirostris, 322 ; Ohioticus, 357 ; Siva- 

 lensis, 321. 



Medina Sandstone, 116. 



Megalichthys, 188. 



Megalodon, 148. 



Megalomius, 128. 



Megalonyx, 351. 



Megalosaurus, 249, 278. 



Megatherium, 350, 351 ; Cuvieri, 350. 



Melania, 294. 



Melonites, 178. 



Menevian Group, 77-79. 



Meiiobranchus, 189. 



Meriitella, 127; cylindriea, 127; inter- 

 media, 127 ; naviformis, 127. 



Mesopitheciis, 323. 



Mesozoic Period, 44. 



MlcJielima, 142. 



Micraster, 266. 



Microlestes, 224; antiquus, 223. 



