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. 



Lopliius piscatorius (illus.), 169. 

 Lophortyx californicus (illus.), 217. 

 Lumbricus terrestris (illus.), 55. 

 Lung-fish, 160. 

 Lynx (illus.), 241. 



Macroldella (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. 



Megapfera versdbilis (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. 



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. 



Mysis americana (illus.), 100. 

 Myhlus 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. 

 Oligocha?tes, 59. 



Operculum (operculum, a lid), 87. 

 Opossum (illus.), 231. 

 Opossum-shrimp (illus.), 100. 

 Orang-utan (illus.), 243. 

 Orb-weaving spider, 136. 

 OrnitliorhyncJius paradoxus (illus- 

 tration), 230. 

 Orthoptera, 117. 

 Ostrich (illus.), 209. 

 Oyster, 77. 

 Owls, 219. 



Pagurus bernhardus (illus.), 103. 

 Paludicola?, 215. 

 Pandorina (illus.), 19. 

 Panther (illus.), 241. 



