392 
Kingfisher, 325. 
Kite, 323. 
Lauium and Lasrom, 58, 
Labyrinthodonts, 306. 
Lacerta, 310, 354, 
Lacertilia, 354. 
Lacteals, 94. 
Lacune, 38. 
Lagena, 349, 
Lamellibranchs, 112, 257, 351. 
Lamellirostres, 318. 
Lamprey, 302. 
Lancelet, 302. 
Land-snails, 263. 
Lark, 327. 
Larynx, 1S7. 
Leech, 272. 
** locomotion of, 158. 
«mouth of, 49, 56, 63. 
Legs of Animals, 155, 199, 213, 
Lemur, 342, 356. 
Lepidopters, 290, 353. 
Lepidosiren, 304, 354. 
Libellula, 284, 354. 
Life, distribution of, 357. 
** duration of, 219. 
“* nature of, 28, 369. 
‘© phenomena of, 29, 43, 
“ struggle for, 219. 
Lightning-bug, 288. 
Ligula, 58. 
Likeness and Variation, 209. 
Limax, 262, 352. 
Limbs of Vertebrates, 144, 374. 
Limnea, 263, 352. 
Limpet, 263. 
Limulus, 274, 353. 
Lingula, 351. 
Lion, 87, 137, 383. 
Liver, 121. 
Lizards, 160, 170, 309. 
Lobster, 272. 
we circulation in, 105. 
“eggs of, 192. 
gills of, 113. 
“4 locomotion of, 155. 
< mouth of, 56. 
*f muscles of, 154. 
43 prehension of, 52. 
ss skeleton of, 130. 
Locomotion, 155. 
Locust, 285. 
Loligo, 269. 
Lovgipennes, 316, 
Loon, 316. 
Louse, 287, 
Lucernaria, 240, 350. 
INDEX. 
Lumbricus, 272, 352. 
Lungs, 115, 123, 373. 
Lymphatics, 94. 
Mapnrepore, 244, 350. 
Madreporiform Plate, 378. 
Maggots, 377. 
Mammals, anatomy of, 86. 
se brain of, 382. 
es circulation in, 109. 
Be described, 327, 355. 
ee distribution of, 364. 
locomotion of, 161. 
oe mouth and teeth of, 61, 67. 
respiration in, 116. 
st skull of, 141. 
vocal apparatus, 186. 
Mammoth, 337. 
Man, 85, 171, 213, 345, 383. 
Manatee, 327, 337, 355. 
Mandibles, 58, 143. 
Mantis, 53. 
Mantle, 126. 
Marsipobranchs, 302, 354, 
Marsupials, 329, 855. 
Mastodon, 337. 
May-fly, 284, 
Meandrina, 243. 
Medulla oblongata, 169. 
Medusa, 75, 238. 
Megatherium, 330. 
Melania, 266. 
Mempbrane Bones, 198, 369. 
Menobranchus, 306. 
Mesentery, 82, 94. 
Metamorphosis, 203, 377. 
Millepede, 56, 114. 
Millepore, 378. 
Mimicry, 210, 376. 
Minerals and Organisms, 19, 
Mites, 277. 
Mole, 333. 
Molluscoidea, 255. 
Mollusks, anatomy of, 80. 
& circulation in, 105. 
ce described, 226, 254, 351. 
ss digestion in, 91. 
ee distribution of, 362. 
oe locomotion of, 158. 
es mouths of, 55. 
ue nervous system of, 165. 
oe respiration in, 112. 
ps shells of, 131. 
Monad, 234, 349. 
Monera, 349. 
Monkeys, 342. 
Monotreme, 328, 355, 382. 
Mosquito, 49, 204, 289. 
