Lavas, phenomena of, i. 7. 



Lead, artificial crystals of, produced by 

 steam of water, i. 551. 



Leeds, fine heads of megalichthys at, 

 i. 276. 



Leibnitz, his anticipation of the modern 

 Platonic theory, i. 51. 



Lepidodendron, character and relations 

 of this fossil genus, i. 466 ; allied to 

 lycopodiacae, i. 466 ; size and cha- 

 racter of, i. 467 ; number of known 

 species, i. 468 ; intermediate internal 

 structure of, i. 468. 



Lepidoids, thick bony scales of, i. 282. 



Lepidosteus, or bony pike, i. 274. 



Lepidotus, i. 283. 



Level, changes of by volcanic agency, 

 i. 88. 



Lhwyd, on insects and spiders in coal 

 shale, i. 406. 



Lias, proof of intervals in deposition of, 

 i. 307. 



Libanus, fishes of tertiary era at, i. 285. 



Liblar, brown coal of, 509. 



Li^ge, bones of men and hyaenas in 

 caverns near, i. 106, 602. 



Life organic, successive stages of, i. 54 ; 

 organic has not existed from eternity, 

 i. 58, 59. 



Light, essential to the growth of ancient 

 vegetables, i. 31 ; undulatory theory 

 compared with Genesis, i. 3, i. 32 ; 

 history of illustrated by fossil eyes, i. 

 402, 173. 



Lignite, tertiary, localities of, i. 508, 

 509, 510 ; memoir on, by M, Alex- 

 andre Brongniart, i. 508. 



Limestone, origin of, i. 89 ; combina- 

 tions in crystals of, i. 576, 577 ; 

 freshwater, found at Ardwick, i. 600. 



Limulus, in iron stone of coal forma- 

 tion, ii. 77 ; allied to trilobite, i. 393 ; 

 where found fossil, i. 393. 



Lindley, Professor, his observations on 

 existing lycopodiacae, i. 456 ; experi- 

 ments on the durability of recent 

 plants immersed in water, i. 480. 



Lindley and Huttou, their description 

 of plants in coal mines at, Newcastle, 

 i. 547 ; observations on lepidoden- 

 dron, i. 467, 468 ; recent discoveries 

 of stigmaria, i. 476 ; on fossil cones 

 of zamia from I. Wight, i. 492. 



Links supplied by fossil remains, i. 88, 

 601 ; discovery of, important to Na- 

 tural Theology, i. 114. 



Lituite, locality and character of, i. 

 365. 



Locke, his notice of spiral intestines at 



INDEX. 121 



Leyden, i. 196 ; his opinion of the 

 necessity of a revelation, i. 598. 



Loligo, vulgaris, structure and habits 

 of, i. 303 ; fossil pens and ink bags 

 of, i. 303, 304 ; horny pen of, pre- 

 served in lias, i. 304 ; destroyed and 

 buried suddenly, i. 307 ; found in 

 the lias of Wurtemberg, i. 308. 



London, Artesian wells near, i. 563 

 564. 



Lonsdale, Mr., his discovery of micros- 

 copic shells in chalk, i. 448. ii. 64. 



Lophiodon, character and place of, i. 

 82. 



Louth, Artesian wells near, i. 563. 



Lowestoffe, irruption of sea into lake 

 of, i. 122. 



Ludlow, fossil remains of fishes found 

 at, i, 604. 



Lulworth, subterranean forest near, i. 

 495. 



Luminaries, celestial, described in their 

 relations to our planet, i. 27. 



Lukis, Mr., experiments on changes in 

 the stems of succulent plants, i. 484. 



Luther, his opinion of an act of crea- 

 tion prior to the first day, i. 25, 598. 



Lycopodiaceae, character, affinities, and 

 distribution of, i. 466. 



Lyell, Mr., his refutation of the doctrine 

 of transmutation of species, i. 54 ; 

 his map of Europe in the tertiary 

 period, i. 77 ; his division of the ter- 

 tiary series, i. 78 ; on fossil indusiae, 

 i. 119; insects found at Aix by, i. 

 610. 



Lyon, Captain, on the action of the 

 wind in forming sand hills round 

 extraneous bodies in Africa, i. 126. 



Lyme Regis, icthyosauri found at, i. 

 168; specimens from described, i. 

 170 ; coprolites abundant on the 

 shore of, 188; plesiosaurus disco- 

 vered at, i. 203 ; pterodactyle found 

 at, 221, 223, 226; bones of large 

 sauroid fishes found at, 276 ; fossil 

 pens and ink bags found at, i. 305 ; 

 fossil ink bags found at, i. 373. 



Macropoma, only sauroid fish in chalk, 



i. 284, 276. 

 Madrid, skeleton of megatherium at, 



i. 142. 

 Maestricht, locality of most recent be- 



lemnites, i. 371. 

 Mallotus villosus, i. 272. 

 Mammalia, earliest remains of, i. 72 



of eocene period, i. 81 ; of miocene 



period, 1.90 ; of pliocene periods, i. 92. 



