INDEX 



255 



Littorina, habits of, 83. 



Liver-fluke, 49. 



Lizard (illus.), 185. 



Lobster, 102. 



Locust (illus.), 117. 



Long-horned borer beetle (illus.), 



124. 



Longipennes, 211. 

 Loon, 209. 



LopTiius piscatorius (illus.), 169. 

 LopTiortyx californicus (illus.), 217. 

 Lumbricus terrestris (illus.), 55. 

 Lung-fish, 160. 

 Lynx (illus.), 241. 



Macrobdetta (illus.), 63. 



Macrocheira, 222. 



Mammals, characteristics of, 225; 

 anatomy, 226 ; classification, 228. 



Man, 245. 



Many-celled animals, 11. 



Marsupialia, 231. 



Marsupium (marsupium, a purse 

 or bag), 232. 



May-fly, 118. 



Megaptera versabilis (illus.), 235. 



Mesenteric filaments, 40. 



Messmates, defined, 48. 



Metamorphosis, retrograde, 99 ; in- 

 complete, 126 ; complete, 128. 



Metazoa, defined, 11. 



Mice, 233. 



Millipeds (illus.), 111. 



Minnow, 163. 



Mite (illus.), 138. 



Mole, 234. ^ 



Mollusks, general characters of, 72. 



Molt, of Crustacea, 99, 110; of 

 birds, 202. 



Monarch butterfly (illus.), 125. 



Monkeys, 243. 



Morphology, defined, 1. 

 39 



Mosquito, 122; development of, 



123. 



Moths (illus.), 125. 

 Mud-hen, 215. 

 Mud-puppy (illus.), .178. 

 Multiplication of animals, 5. 

 Muscle-cell (illus.), 7. 

 Muscular system, use of, 4. 

 Mussel, 77. 



My sis americana (illus.), 100. 

 Mytilus edulis (illus.), 77. 



Nauplius (illus.), 99. 

 Nematoda (illus.), 52. 

 Nemertean worm (illus.), 70. 

 Nereis (illus.), 59. 

 Nerve-cell (illus.), 7. 

 Nettle-cell (illus.), 30. 

 Neuroptera, 118. 

 Newt (illus.), 178. 

 Night-hawk (illus.), 222. 

 Notochord, 151. 

 Nucleus (illus.), 9. 



Octopus punctatus. (illus.), 87. 

 Oligochaetes, 59. 



Operculum (operculum, a lid), 87. 

 Opossum (illus.), 231. 

 Opossum-shrimp (illus.), 100. 

 Orang-utan (illus.), 243. 

 Orb- weaving spider, 136. 

 OrnithorJiynchus paradoxus (illus- 

 tration), 230. 

 Orthoptera, 117. 

 Ostrich (illus.), 209. 

 Oyster, 77. 

 Owls, 219. 



Pagurus bernhardus (illus.), 103. 

 Paludicolae, 215. 

 Pandorina (illus.), 19. 

 Panther (illus.), 241. 



