INDEX. 



501 



Leaves, parts of (illustrations), 202 

 204. 



Legends respecting geological pheno- 

 mena, 23, 25. 



Lehman classifies rocks, 35. 



Leibnitz, on the incandescence of 

 the earth, 34. 



Leiodon, 297. 



Lepidodendron, 188, 199. 



Sternbergii (figure), 

 200. 



Lepidophyllum, 189. 



Lepidoptera, 267. 



Lepidosteus, 282, 402. 



Lepidostrobus, 439. 



ornatus (figure), 189. 



Lepidotidae, 282. 



Lepidotus, 282, 399, 422. 



Leptotherium, 320. 



Leptsena, 420. 



Leucosidae, 265. 



Lias, peculiar aspect and geogra- 

 phical distribution, 417; divisions, 

 418; fauna, 419; reptiles, 422; 

 origin, 423. 



Lima, 384, 419. 



Limestone, Bermuda, 383; of Gua- 

 deloupe, human skeletons in, 351. 



, magnesian, 431. 



, mountain, 446. 

 Limulus, 260. 



Lindley, Dr., his experiments on 

 plants, 174. 



Lines, anticlinal and synclinal (illus- 

 trations), 148. 



Linnaeus, as a geologist, 35; as a 

 mineralogist, 76. 



Literature, high rank in, of geological 

 writers, 13. 



Litharcea Websterii (figure), 218. 



Lithodomi, 363, 



Lithornis, 309. 



Livy, notices of natural phenomena, 

 by, 22. 



Llandeilo flags, 457. 



Locusta, 269. 



Locustidse, 279. 



Loligidse, 254. 



Lonchophorus, 337. 



Lonchopteris Mantelli (figure), 1 86. 



London basin, 360; marine origin 



of the deposits, 361. 

 London clay, 360; characteristic 



shells (figure), 362. 

 Lophiodon, 324. 

 Lower greensand, 380. 



Ludlow shale, 457. 



Silurian rocks, 458. 

 Lucretius, his acquaintance with geo- 

 logical facts, 29. 



Ludlow rocks, 457. ' 



Lycopodiacese, 188. 



Lycopodites, 188. 



Williamsonis (figure), 189. 



Lyell, Sir Charles, on glacial furrows, 

 43; on geological time, 51; on 

 change of climate, 60; on the 

 limestone of the Devonian group 

 in Kentucky, 453. 



Lymnfea, 399. 



M. 



MACACUS, jaw and tooth (illustra- 

 tion), 339. 



Machairodus, "38. 



Macrauchenia, 326. 



Macrorhyncus, 399. 



Macrospondylus, 295. 



Macro therium, 333. 



Mactra, 368. 



M'Culloch, Dr., geological hammers 

 recommended by, 473; his Classifi- 

 cation of Rocks, 128. 



Magila, 264. 



Magnesian limestone, 431. 



Mammalia, 313 ; general characters, 

 313. 



Mammaliferous crag, fossils of the, 

 356. 



Mammoth, description of the, 332 ; 

 (figure), 331 ; teeth of (illustra- 

 tion), 329, 331. 



Man, recent creation of, proved alike 

 by scripture and science, 53. 



Manatus, 317. 



Mantell, Dr., his Fossils of Tilgate 

 Forest, 69. See WEALDEN. 



Marine deposits alternate with fresh- 

 water ones, 400 ; with coal, 442. 



