402 



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, 192. 



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. 



Leguminosites Marcouanus, 263. 



Lemming, 344. 345. 



Lepadidce, 267. 



Lepadocrinws Gebhardi. 1^6. 



Leperditia, 108; canadvnsis, 107. 



Lepldaater, 120. 



Lepidechinus, 178. 



Lepidesthes, 178. 



Lepidodendroids, 166, 167, 2 7. 



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

 bergi, 167. 



Lepidoptera, 311. 



Lepidosiren, 153. 



Lepidosteus, 188. 



Lepidostrobita, 166. 



Lepidotus, 275. 



Leptcena, lo9, 110, 125, 234; Liamca, 

 235; sericea, 110. 



Leptoccelia, 127 ; plano-convexa, 127. 



Lias, 226, 227, 229. 



Liohas, 108. 



Lierophycus Ottawaensis, 97. 



Lignitic Formatiou of North America, 

 288, 294. 



Lily-encrinite, 209, 210. 



Lima, 235. 



Lime, phosphate of, 30, 81 



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

 origin of, 21 ; microscopical structure 

 of, 26 ; Crinoidal, 24 ; Foraminiferal, 

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

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

 litic, 29; bituminous, 36; Laurentian, 

 67. 



Limncea, 294 ; pyramidalis, 294. 



Limulus, 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; fernt- 

 ginea, 88. 



Liriodendron, 262, 308 ; MeeM, 263. 



Lithostrotion, 173; irregular?, 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, 2S8 

 Longmynd rocks, 77-SO, S3. 

 Lonsdalna, 173. 

 Lophiodon. 316. 

 Lophopkytlum, 173. 



Lower Cambrian, 77-79 ; Chalk, 25"9 ; Cre- 

 taceous, 257, 258 ; Devonian, 134 ; 

 Eocene, 287, 288 ; Greeusand, 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. 



Loxonetna, 186, 199, 213. 



Ludlow rocks, 116, 117. 



Lycopodifice.ee, 118, 136, 167. 



Lynton Group, 134. 



Lyrodetmm, ill. 



Macaques, 323, 331. 



Afachceracanthux major, 151, 155. 



Mar.hairodus, 221, 249, 322, 331, 360; 

 cull ride us, 331 



Maclnrea, 111; crenulata, 112. 



MacrHcheilm, 186, li>9, 213 



Macropetalichthyx, 152; Sullivanti, 151. 



Mact'otherium giganteuin, 315. 



Macrurous Crustaceans, 180. 



Maclra, 292. 



Maestricht Chnlk, 259, 279, 286. 



Magnesian Limestone, 27 ; nature and 

 structure of, 28; of the Permian series. 

 194, 196. 



Magnolia. 262. 200. 3 in. 



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

 Jurassic, 253, 25; 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; encrinitil, 24; statuary, 27. 



Marcellus Shales, 135. 



Mariacnnus, 122. 



Marmots, 322. 



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

 Jurassic. 253, 254; of tlie Eocene, 2P9; 

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

 cene, 348, 319. 



Marsupiocrinus, 122. 



Marmpites, 266. 



Mastodon, 319, 321, 322; Americanus, 

 angustidens, 322; Arvenensi-g, 329; 

 lungirostris, 322 ; Ohioticus, 357 ; Siva- 

 lensis, 321. 



Medina Sandstone, 116. 



Megalichthys, 188. 



Megalodon, 148. 



Megalomits, 128. 



Megalonyx, 351. 



Megalosaurus, 249, 278. 



Megatherium, 35o, 351 ; Cuvieri, 350. 



Melania, 294. 



Melonites, 178. 



Menevian Group, 77-79. 



Menobranchus, 189. 



Meristella, 127; cylindrica, 127; inter- 

 media, 127 ; naviformis, 127. 



Mesopithecns, 323. 



Mesozoic Period, 44. 



Michelima, 142. 



Micraster, 266. 



Microles'ea, 224 ; antiq^tus, 223. 



