INDEX. 



427 



Leech, alimentary canal of, 77. 

 " jaws of, 64. 

 " locomotion of, 161. 

 " mode of feeding of, 50. 

 Lemur, 355, 361. 

 Lepas, 284, 253. 

 Lepidoptera. 300, 40, 43, 172. 



" see Butterfly. 



Lepidosiren, 317. 

 Lepidostetis, 315, 289. 

 Libellula, 295, 263, 

 Life, distribution of, 372. 

 " duration of, 226. 

 " nature of, 28. 

 " struggle for, 226. 

 Lightning-bug, 299. 

 Ligula, 5$, 21. 

 Likeness, 215. 

 Limax, 2?5, 282. 

 Limbs, development of, 204. 



" skeleton of, 146, 179-182. 

 Limnsea, 275, 232. 

 Limpet, 278, 245. 

 Limulus, 284. 



" see Horseshoe-crab. 

 Lion, 68, 355. 

 " foot of, 128. 

 " skeleton of, 106. 

 " stomach of, 88, 56. 

 Liver, 123, 92. 

 Lizard, 141. 



" see Lacertilia. 

 Lobster, loe, 70, 256. 



" alimentary canal of, 78. 

 " anatomy of, 282. 

 " circulation in, 106, 70. 

 14 ear of, 179. 

 " eggs of, 196. 

 " gills of, 114. 

 " gizzard of, 64. 

 " locomotion of, 158. 

 " moulting of, 132. 

 " mouth of, 57. 

 " prehension of, 53, 57. 

 " respiration in, 114. 

 " skeleton of, 131. 

 Lob- worm, 77. 



Locomotion of Arthropoda, 162. 

 " of Birds, 160. 



" of Pishes, 158. 



" of Insects, 159. 

 " ofMollusks, 161. 



" of Starfish, 161. 

 " of Vertebrates, 163. 

 " of Worms, 161. 

 Locust, 297. 

 Loligo, see Squid. 

 Longipenues, 329, 308. 

 Loon, 329, 307. 

 Louse, 50, 297. 

 Lucernaria, 197. 



Lumbricus, see Earth-worm. 

 Lungs, function of, 126. 



" of Snail, 116. 



" of Vertebrates, 11T. 

 Lupus, 847. 

 Lymph, 102. 

 Lymphatics, 94, 61. 

 Lymph-heart, 96. 



MAOTRA, 271, 46, 226. 

 Madrepore, 252, 201, 206. 

 Madreporic plate, 258, 39. 

 Maggots, 389. 

 Mammalia, 340. 



alimentary canal of. 85. 

 anatomy of, 86, 52. 

 blood-corpuscles of, 100, 65. 

 brain of, 171,188, 142-145. 

 circulation in, 109, 76. 281. 

 digestion of, 92, 61. 

 drinking of, 50. 

 ear of, 179, 152. 

 egg of, 198, 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. 

 " month of, 62. 

 " palate of, 86, 27, 51. 



placenta of, 196, 203, 171. 

 " respiration in, 119. 



skeleton of, 139. 

 " smell of, 178, 149. 



teeth of, 68. 

 " touch of, 177. 



voice <>f, 189, 159. 

 Man, 359, 179, 329. 330. 



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

 " brain of, 170, 171, 137, 144, 145. 

 " digestive tract of, 51. 

 " ear of, 179, 152. 

 " eye of, 198, 157, 158. 

 " mouth of, 86, 27. 

 " muscles of leg of, 165, 130. 

 " nose of, 178, 149. 

 Manatee, 350, 343. 

 Mandibles, 58, 145, 21. 

 Mantis, 53. 

 Mantle, 127, 46. 

 Manyplies, 89, 56. 

 Marsh-hen, 314. 

 Marsipobrancl.ii, 314, 286. 

 Marsupialia, D42, 332. 

 Mastodon, 350. 

 May-fly, 295. 

 Maxillae, 68, 21. 

 Meandrina, 252. 



Medulla oblongata, 172, 174, 187-142, 144. 

 Medusa, see Jelly-fish. 



