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, 292. 



Lamna, 275, 312. 



Lamp-shells (see Brachiopoda). * 



Land-tortoises, 313. 



Lauractre, 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, 6S ; phosphate of lime 

 of, 68 : graphite of. 6S : life of, 67-75. 



Leaf-beds of tli" I>;- -f AiuU, 306. 



Leda. 292; tr • : - 



Legummosit':^ }'hur .u,,nus, 263. 



Lemming, 344. 345. 



Lepadidce, 267. 



Lepadocnnus GebhardJ. 1^6. 



Leperditia, IDS; canad'.nsls, 107. 



Lepidaster, 120. 



Lepidechinus, 178. 



Lepidesthes, 178. 



Lepidodendroids. 166, 167, 207. 



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

 tergl, 167. 



Lepidoptera, 311. 



Lepidosiren, 153. 



Lepidosteus, 188. 



Lepidostrobus, 166. 



Lepidotus. 275 



Leptcena, V<9. 110, 125, 234; Liassica, 

 235; sericea. 110. 



Leptoccelia. 127 ; plaiw-convexa, 127. 



Lias. 226, 227, 229. 



Liohas, 108. 



Licrophijcus Ottawac'ims, 97. 



Lignitic"" Formation of North America, 

 2SS, 294 



Lily-encrinite, 209, 210. 



Lima, 235. 



Lime, phosphate of, 30, 31. 



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

 origin of. 21 ; microscopical structui-e 

 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; pi/ramidalis, 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; fcrru-f 

 ginea, SS. 



Liriodendron, 262, 308; Meeki, 263. 



Lit host rot ion, 173; ir regular e, Hi. 



Lituites, 130. 



Lizards (see Lacertilia). 



Llama, 354. 



Llanberis Slates, 79. 



Llandeilo rocks, 92, 94, 96. 



Llandovery rocks, 93 ; Lower, 93 ; Upper, 

 115. 



Lobsters, 180, 210. 233, 267. 



Loess, 339. 



London Clay, 287, 2S8. 



Longmynd rocks, 77-80, 83. 



Lonsdaleia, 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, 00-114; rocks of, 

 in Britain, 92-94; in North America, 

 94-96 ; hfe of, 97-114. 



Loxonema, 1S6, 199, 213. 



Ludlow rocks, 116, 117. 



Liicopodiacece, IIS, 136, 167. 



Lynton Group, 134. 



Lyrodesma, 111. 



Macaques, 323, 331. 



Machcer acanthus major, 151, 155. 



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

 cuUridens, 331 



Ma/:lurea, 111; crenulata, 112. 



Macrocheilus, 186, 199, 213. 



Macropetalichthys, 152; SuUivanti, 151. 



Macrotherium. giganteum, 315. 



Macrurous Crustaceans, 180. 



Mactra, 292. 



Maestrieht Chalk, 259, 279, 286. 



Magnesian Limestone, 27 ; nature and 

 structure of, 28 ; of the Permian series, 

 194, 196. 



Magnolia, 262, 290, 3 in. 



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

 Jurassic, 253, 254 ; of the Eocene, 

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

 the Pliocene, 327-381; of the Post- 

 Pliocene, 34S-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. 



JIarble. 2S : encrinital, 24 ; statuary, 27. 



Marcellus Shales, 135. 



Mariacnnus, 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, 34S, 319. 



Marsupiocrinus, 122. 



Mars-upites, 266. 



Mastodon, 319, 321, 322; Americamis, 

 angustidem, 322; Arvtne?isis, 329; 

 longirostris, 322 ; Ohioticus, 357 ; Siva- 

 Unsis, 321. 



Medina Sandstone, 116. 



Megalichthys, 183. 



Megalodon, 148. 



Megalomu-s, 128. 



Megalonyx, 351. 



Megalosaurus, 249, 278. 



Megatherium, 350, 351; Cuvieri, 350. 



Melania, 294. 



Meloiiites, 178. 



Menevian Group, 77-79. 



Meiwbranchus, 189. 



Meri-stella, 127; cyUndrica, 127; inter- 

 media, 127 ; naviformiSy 127. 



Mesopithecus, 323. 



Mesozoie Period, 44. 



Michelinia, 142. 



Micraster, 266. 



Microlestes, 224; antiquus, 223. 



