122 



INDEX. 



skeleton in British Museum, from 

 Guadaloupe, i. 87. 



Lamantijt, remains of, in pliocene 

 periods, indicate a warm climate, 

 i. 79. 



Lamarck, his two sections of tra- 

 chelipods, i. 226 ; on geological 

 effects of microscopic shells, i. 

 290, 291 ; his notice of suckers 

 of encrinus, i. 331 ; theory of 

 transmutation associated with de- 

 velopement by, i. 436. 



I.avas, phenomena of, i. 17. 



Lead, artificial crystals of, produced 

 by steam of water, i. 412 



Leeds, fine heads of megalichthys 

 at, i. 210. 



Leibnitz, his anticipation of the mo- 

 dern Platonic theory, i. 49. 



Lepidodendron, character and rela- 

 tions of this fossil genus, i. 350 ; 

 allied to lycopodiaceae, i. 350 ; 

 size and character of, i. 351 ; 

 number of known species, i. 352 ; 

 intermediate internal structure of, 

 i. 352. 



Lepidoids, thick bony scales of, i. 

 214, 215. 



Lepidosteus, or bony pike, i. 209. 



Lepidotus, i. 215. 



Level, changes of by volcanic 

 agency, i. 76. 



Lhwyd, on insects and spiders in 

 coal shale, i. 306. 



Lias, proof of intervals in deposi- 

 tion of, i. 233. 



Libanus, fishes of tertiary era at, i. 

 217. 



Liblar, brown coal of, 382. 



Liege, bones of men and hyaenas in 

 caverns near, i. 88, 89. 



Life, organic, successive stages of, 

 i. 51 ; organic has not existed 

 from eternity, i. 53, 54. 



Light, essential to the growth of an- 

 cient vegetables, i. 34 ; undula- 

 tory theory compared with Ge- 

 nesis i. 3, i. 35 ; history of il- 

 lustrated by fossil eyes, i. 303, 

 136. 



Lignite, tertiary, localities of, i. 581, 

 382, 383 ; memoir on, by M. 

 Alexandre Brongniart, i. 381. 



Limestone, origin of, i. 76, 77 ; com- 



binations in crystals of, i. 429, 

 430. 



Limulus, in iron stone of coal for- 

 mation, ii. 77 ; allied to trilobite, 

 i. 297 ; where found fossil, i. 297. 



Lindley, Professor, his observations 

 on existing lycopodiacese, i. 351 ; 

 experiments on the durability of 

 recent plants immersed in water, 

 i. 361. 



Lindley and Hutton, their descrip- 

 tion of plants preserved in coal 

 mines at Newcastle, i. 344 ; ob- 

 servations on lepidodendron, i. 

 351, 352; recent discoveries of 

 stigmaria, i. 358; on fossil cones 

 of zamia from I. Wight, i. 370. 



Links, in the mammalia supplied 

 by fossil remains, i. 75, 76. 



Lituite, locality and character of, i. 

 275, 276. 



Locke, his noiice of spiral intes- 

 tines at Leyden, i. 153 ; his opi- 

 nion of the necessity of a revela- 

 tion, i. 438. 



Loligo, vulgaris, structure and ha- 

 bits of, i. 230 ; fossil pens and 

 ink bags of, i. 230, 231; horny 

 pen of, preserved in lias, i. 231 ; 

 destroyed and buried suddenly, i. 

 232, 233 ; found in the lias of 

 Wurtemburg, i. 233. 



London, Artesian wells near, i. 420, 

 421. 



Lonsdale, Mr., his discovery of mi- 

 croscopic shells in chalk, i. 337. 

 ii. 64. 



Lophiodon, character and place of, 

 i. 71. 



Louth, Artesian wells near, i. 420. 



Lowestoffe, irruption of sea into 

 lake of, i. 101. 



Lulworth, subterranean forest near, 

 i. 372. 



Luminaries, celestial, described in 

 their relations to our planet, i. 

 31. 



Lukis, Mr., experiments on changes 

 in the stems of succulent plants, 

 i. 386. 



Lycopodiacex, character, affini- 

 ties, and distribution of, i. 350. 



Lyell, Mr., his refutation of the 

 doctrine of transmutation of spe- 

 cies, i. 51 i his map of Europe 



