INDEX. 



429 



Lepospondyli, 283. 

 Leptictidae, 411. 

 Leptocardii, I. 

 Leptocephalus, 257. 

 Leptochoerus, 397. 

 Leptolepis, 256. 

 Leptomeryx, 398. 

 Leptotragulus, 398. 

 Lepus, 391. 

 Lestornis, 344. 

 Leuciscus, 255. 

 Leucocytes, 16. 

 Leydig's duct, 126 

 Limbs, 167. 

 Limbs, origin of, 172. 

 Lingualis nerve, 63. 

 Liodon, 322. 

 Lion, 412, 

 Lion, sea, 413. 

 Liparis, 260. 

 Liver, 18, 40. 

 Liver islands, 40. 

 Lizards, 318. 

 Llama, 398. 

 Lobus inferior, 53. 

 Loggerhead turtle, 310. 

 Longirostres, 328. 

 Loon, 349. 

 Loph, 365. 

 Lophiidas, 266. 

 Lophiomys, 390. 

 Lophius, 266. 

 Lophobranchii, 258. 

 Lophodon, 395. 

 Lophodont, 365. 

 Lopholatilus, 261. 

 Lophopsetta, 265. 

 Loricaria, 255. 

 Loricata, 259, 326, 383. 

 Loris, 415. 

 Lota, 264. 

 Loxodon, 401. 

 Lumbar arteries, 191. 

 Lumbar plexus, 48. 

 Lumbar region, 142. 

 Lump fish, 260. 

 Lunare, 177. 

 Lung fish, 267. 

 Lung pipes, 31. 

 Lungs, 27. 

 Lupus, 412. 

 Lutjanus, 259. 

 Lutra, 412. 

 Lycaon, 412. 



Lymnohyus, 396. 

 Lymph, 16. 

 Lymph glands, 200. 

 Lymph hearts, 199. 

 Lymph system, 198. 

 Lynx, 412. 

 Lyomeri, 257. 

 Lyre bird, 351. 



Macacus, 416. 

 Macaque, 416. 

 Machaerodus, 412. 

 Mackerel, 263. 

 Macrauchenidas, 395. 

 Macrochelys, 311. 

 Macromeres, 222. 

 Macropetalichthys, 272. 

 Macropodidas, 380. 

 Macropus, 380. 

 Macroscelidas, 385. 

 Macrotherium, 396. 

 Macrurus, 264. 

 Macruridas, 264. 

 Macula acustica, 71. 

 Malacanthidae, 261. 

 Malaclemmys, 311. 

 Malapterurus, 255. 

 Malar bone, 163, 357. 

 Malleus, 74, 159. 

 Malpighian body, 119. 

 Malpighian layer, 89. 

 Malthe, 266. 

 Malthidae, 266. 

 Mammalia, 352. 

 Mammoth, 401. 

 Man, 416. 

 Manatee, 405. 

 Manatherium, 405. 

 Manatidse, 405. 

 Manatus, 405. 

 Mandibularis nerve, 61. 

 Mandrill, 416. 

 Manidse, 382. 

 Manis, 382. 

 Manta, 240. 

 Mantle, 51. 

 Manubrium, 149. 

 Manus, 176. 

 Manyplies, 35. 

 Marmoset, 415. 

 Marsipobranchii, 219. 

 Marsupial bones, 171. 

 Marsupialia, 378. 

 Marsupium, 378. 



Marsupium (of eye) , 340. 

 Marten, 412. 

 Mastodon, 401. 

 Mastodonsaurus, 284. 

 Matrix, 14. 



Maturation of egg, 209. 

 Maxillaris nerve, 61. 

 Maxillary, 162. 

 Meatus, auditory, 75. 

 Meckel's cartilage, 156. 

 Mecodonia, 285. 

 Mediastinum, 106. 

 Medulla oblongata, 50. 

 Medullary iolds, 43. 

 Medullary plate, 43. 

 Medullary groove, 43. 

 Medullary sheath, n. 

 Medullated fibres, n. 

 Megachiroptera, 388. 

 Megaderma, 387, 

 Megalobatrachus, 285. 

 Megalonyx, 383. 

 Megalosaurus, 316. 

 Megalotriton, 286. 

 Megamys, 391. 

 Megapodius, 350. 

 Megaptera, 410. 

 Megatheriidas, 383. 

 Megatherium, 383. 

 Meissner's corpuscles, 69. 

 Melanerpeton, 283. 

 Meleagris, 350. 

 Meles, 412. 

 Mellivora, 412. 

 Merlucius, 264. 

 Melursus, 412. 

 Membrane bone, 15, 164. 

 Menhaden, 256. 

 Menidia, 262. 

 Meniscotheriidas, 393. 

 Menobranchus, 285. 

 Menopoma, 285. 

 Menura, 351. 

 Mephitis, 412. 

 Merkel's corpuscles, 68. 

 Meroblastic eggs, 210. 

 Merops, 348. 

 Merychius, 398. 

 Mesencephalon, 50. 

 Mesenchymatous structures, 



132. 



Mesenchyme, 8. 

 Mesenteric artery, 190. ' 

 Mesentery, 103. 



