INDEX. 



427 



Leech, alimentary canal of, TT. 

 " jaws of, 64. 

 " locomotion of, 161. 

 " mode of feeding of, 60. 

 Lemur, 855, 351. 

 Lepas, iSi, 263. 

 Lepidoptera, 300, 40, 43, 172. 



" see Butterfly. 



Lepidosiren, 31T. 

 Lepidostens, 315, 289. 

 Libellula, 295, 263. 

 Life, distribution of, 372. 

 " duration of, 226. 

 " nature of, 2S. 

 " struggle for, 226. 

 Lightuing-bng, 299. 

 Lignla, 58, 21. 

 Likeness, 216. 

 Liraax, 275, 232. 

 Limbs, development of, 204. 



" skeleton of, 146, 179-182. 

 Limnsea, 275, 232. 

 Limpet, 278, 245. 

 Limulus, 2S4. 



" see Horseshoe-crab. 

 Lion, 68, 355. 

 " foot of, 128. 

 " skeleton of, 106. 

 " stomach of, 88, 55. 

 Liver, 123, 92. 

 Lizard, 141. 



" see Lacertilia. 

 Lobster, 106, 70, 256. 



" alimentary canal of, 78. 

 " anatomy of, 282. 

 " circulation in, 106, 70. 

 " ear of, 179. 

 " eggs of, 196. 

 " gills of, 114. 

 " gizzard of, 64. 

 " locomotion of, 168. 

 " moulting of, 132. 

 " mouth of, 57. 

 " preheusiou of, 63, 57. 

 " respiration in, 114. 

 " skeleton of, 131. 

 Lob-worm, 77. 



Locomotion of Arthropoda, 162. 

 " of Birds, 160. 



" of Fishes, 158. 



" of Insects, 169. 



" ofMoIlusks,161. 



" of Starfish, 161. 

 " of Vertebrates, 163. 



" of Worms, 161. 



Locust, 297. 

 Loligo, see Squid. 

 Longipennes, 829, 308. 

 Loon, 329, 807. 

 Lonse, SO, 297. 

 Lncernaria, 197. 



Lumbricus, see Earth-worm. 

 Lungs, fimction of, 125. * 



" of Snail, 116. 



" of Vertebrates, 117. 

 Lupus, 347. 

 Lymph, 102. 

 Lymphatics, 94, 61. 

 Lymph-heart, 96. 



Maotra, 271, 46, 226. 

 Madrepore, 252, 201, 206. 

 Madreporic plate, 258, 89. 

 Maggots, 389. 

 Mammalia, 340. 



" alimentary canal of, 85. 



" anatomy of, 86, 52. 



" blood-corpuscles of, 100, 65. 



" brain of, 171, 138, 142-145. 



" circulation in, 109, 76, 281. 



" digestion of, 92, 61. 



" drinking of, 50. 



" ear of, 179, 152. 



" egg of, 193, 165. 



" embryo of, 202, 171. 



" eye of, 183, 157. 



" hair of, 136, 104. 



" heart of, 109, 73, 74. 



" locomotion of, 163. 



" lungs of, 118, 86. 



" mouth of, 62. 



" palate of, 66, 27, 61. 



" placenta of, 196, 203, 171. 



" respiration in, 119. 



" skeleton of, 139. 



" smell of, 178, 149. 



" teeth of, 68. 



" touch of, 177. 



" voice of, 189, 169. 

 Man, 359, 179, 329, 330. 

 " blood-corpuscles of, 99, 62, 65. 

 " brain of, 170, 17), 137, 144, 145. 

 " digestive tract of, 61. 

 " ear of, 179, 152. 

 " eye of, 198, 157, 158. 

 " mouth of, 86, 27. 

 " muscles of leg of, 165, ISO. 

 '■ nose of, 178, 149. 

 Manatee, 350, 348. 

 Mandibles, 68, 146, 21. 

 Mantis, 63. 

 Mantle, 127, 46. 

 Manyplies, 89, 66. 

 Marsh-hen, 314. 

 Marsipobranchii, 314, 286. 

 Marsupialin, 342, 332. 

 Mastodon, 350. 

 May-fly, 296. 

 Maxillae, 58, 21. 

 Meandrina, 252. 



Medulla oblongata, 172, 174, 137-142, 144. 

 Medusa, see Jelly-fish. 



