594 



INDEX. 



Koninckinidce, 203, 206. 

 Kossen beds, 531, 532. 



Labyrinthodon, 353, 350. 

 Labyrinthodontia, characters of, 350 ; 



distribution of, in time, 352. 

 Lace-corals, 195. 

 Latertidce, 364. 



Lacertilia, 356 ; characters of, 361 ; dis- 

 tribution of, in time, 362. 

 Lcelaps, 377. 

 Lcemodipoda, 176. 



Lagena, 60, 61. 



Lagomys, 457, 458. 



Lamellibranchiata, characters of, 214 ; 

 shell of, 215 ; divisions of, 218 ; dis- 

 tribution of, in time, 219; families 

 of, 219-240. 



Lamna, 340. 



Lamnodus, 326. 



Laornis, 390, 892. 



Lauracece, 502. 



Laurentian period, rocks of, 510 ; life of, 

 511. 



Leaia, 158, 159. 



Leda, 226, 228. 



Leguminosites, 500. 



Leiodon, 365. 



Lemming, 459. 



Lerrmridce, 464, 466. 



Lepadidas, 150 ; shell of, 152, 153. 



Lepadocrinites, 129, 130, 133. 



Lepas, 153, 154, 155. 



Leperditia, 156, 157. 



Lepidaster, 111, 115. 



Lepidodendroids, 475, 489. 



Lepidodendron, 474, 475, 480, 483, 490, 

 491, 494, 529. 



Lepidoganoids, 322. 



Lepidopleuridce, 325. 



Lepidophloios, 474, 480, 489, 491. 



Lepidoptera, 180, 187. 



Lepidosiren, 342, 343, 345. 



Lepidosteidce, 322, 323. 



Lepidosteus, 320, 323. 



Lepidostrobus, 491. 



Lepidotidce, 324, 325. 



Lepidotus, 825. 



Leporidce, 457. 



Leptacanthus, 338. 



Leptcena, 208, 210. 



Lepterpeton, 352. 



Leptolepidce, 315, 324, 325. 



Leptolepis, 324. 



Leptophlosum, 480. 



Leptoteuthis, 295. 



Lepus, 457, 458. 



Leskia, 131. 



Lias, 535. 



Lichadce, 170. 



Lichas, 171. 



Licrophycus, 479. 



Ligament, of Bivalve Molluscs, 215. 



I/i7a, 222. 



Limaeidcz, 267. 



Limacinidce, 269. 



Limnadia, 159. 



Lirnncea, 245, 267. 



Limnceidce, 267. 



Limulus, 163, 171, 172, 174, 175. 



Lingula, 203, 213, 530. 



Lingula Flags, 512, 514. 



Lingulidce, 202, 203, 213. 

 Liquidambar, 503. 

 Liriodendron, 500, 501, 603.. 

 Lithentomum, 185. 

 Lithodomus, 225, 226. 

 Lithornis, 390, 395. 

 Litogaster, 178. 

 Littorina, 254. 

 Littwinidce, 254. 

 Lituites, 281, 282, 286. 

 Lituola, 543. 

 Lizards, 361. 

 Llanberis Slates, 512. 

 Llandeilo Rocks, 516. 

 Llandovery Rocks, 516. 

 Loboccenia, 537. 

 Loganograpsus, 514. 

 London Clay, 548. 

 Longmynd Rocks, 512. 

 Lonsdaleia, 94. 

 Lophiodon, 426. 

 Lophobranchii, 318, 821. 

 Lophohelia, 96. 

 Lophopea, 194. 

 Loricata (Reptilia), 355. 

 Loricula, 152, 154, 155. 

 Lower Cretaceous Rocks, 541. 

 Lower Oolites, 535. 

 .Lo:to?i07na, 251,253, 534. 

 Lticemarida, 73, 74, 

 Lucina, 234. 

 Lucinidce, 218, 234. 

 Ludlow Rocks, 516. 

 Luidia, 111, 114. 

 Lutra, 452. 

 Lutraria, 236. 



Lycopodiacece, 474, 480, 482, 490. 

 Lycopodites, 474, 480. 

 Lycosa, 183. 



Macacus, 466. 



Macellodon, 364. 



Machairodus, 456. 



Maclurea, 245, 263, 264. 



MacraUchenia, 433, 434. 



Macrocheitus, 251. 



M acropodidce, 408, 413. 



Macropoma, 327. 



Macrospondylus, 367. 



Macrotfterium, 414. 



Macrura, 178, 179. 



Mactra, 236. 



Mactridce, 218, 236. 



Madrepora, 96. 



Madreporidas, 97, 100. 



Madreporiform tubercle, 106. 



Maestricht beds, 540. 



Malacodermata (Zoantharia), 86. 



Malacopteri, 315. 



Malacostraca, 175. 



Malocystites, 133. 



Mammalia, characters of, 397; skeleton 

 of, 398 ; dentition of, 403 ; distribution 

 of, in time, 405; orders of, 406. 



Mammoth, 443, 444, 445. 



Manatidce, 418. 



Mandibles, of Cephalopods, 273. 



Manis, 413, 414. 



Manon, 543. 



Mantellia, 497, 498. 



Marsipobranchii, 314. 



Marsupial bones, 408. 



