490 



INDEX 



430; flying, 422-423; fur-bearing, 

 455-457; game, 451-453; geographical 

 distribution of, 416; gnawing, 430-434, 

 458-459; habitats of, 398, 416; hair 

 of, 400; hibernation of, 413; hoofed, 

 435-441 ; insectivorous, 421 ; internal 

 organs of, 402 ; locomotion of, 402 ; 

 migration of, 414, 415; nervous sys- 

 tem of, 407 ; orders of, 419-449 ; 

 pouched, 420-421 ; predaceous, 453- 

 455 ; protection of, 399 ; reproduction 

 of, 410; respiration in, 406; sense 

 organs of, 408 ; skeleton of, 410, 411 ; 

 teeth of, 404 ; toothless, 434-435 ; 

 tracks of, 410, 413. 



man, classification of, 105. 



mandible, 13. 



mantle, 147, 149. 



mantle cavity, 148. 



marten, 425, 455. 



martin, house for, 396. 



massasauga, 328. 



M asligameba, 225, 226. 



Mastigophora, 233. 



mating, of birds, 354. 



maxilla?, of crayfish, 134; of grasshopper, 



13- 



maxillipedes, 134. 

 mayfly, 25. 

 medulla oblongata, 258, 259 (see nervous 



system), 

 medusa. 207. 

 Mendel, 475, 476. 

 mesoderm, of frog, 265, 266. 

 mesoglea, 203, 207. 

 metabolism, 241. 

 metagenesis, 207. 

 metamere, 174. 

 metamorphosis, direct, 19; indirect, 20; 



of insect, 19-2o; of mussel, 152. 

 Metazoa, 202, 239. 

 mice, 388, 458, 459. 

 micronucleus, 219. 

 migration, of birds, 350-354 ; of caribou, 



415 ; of fish, 276 ; of mammals, 414-416. 

 milkweed butterfly, 31. 

 millipede, 128. 

 milt, 276, 295. 

 mimicry, 30. 

 mink, 427, 454, 455. 

 miricidium, 187. 

 mite, 119, 121 ; chicken, 124; face, 126; 



follicle, 126; gill, 127; harvest, 125, 

 126; itch, 125, 126; scab, 124, 125. 



mitosis, 263, 264. 



moa, 361, 362. 



moccasin, water, 329, 330. 



mockingbird, 380. 



molar teeth, 405. 



mole, 421. 



mole-cricket, 24, 25. 



Mollusca, 7, 157, 158; classification of, 

 167 ; relations to man, 166. 



molting, of birds, 347 ; of grasshopper, 18. 



mongoose, 459. 



monkeys, 444, 445, 446. 



Monocyslis, 226, 227. 



moose, 437. 



morphology, 16. 



mosquito, 86-97 .' control of, 90-96 ; 

 eggs of, 87, 90; enemies of, 90; and 

 intestinal worms, 181 ; larva of, 87, 

 90; malarial, 87-93, 227 ; mouth parts 

 of, 26 ; pupa of, 88, oo ; yellow fever, 

 93-96. 



moth, anatomy of, 26 ; clothes, 60 ; cod- 

 ling, 42; fish, 57, 58; gypsy, 44-46; 

 leopard, 45, 46; silkworm, 62; tus- 

 sock, 43, 44. 



mother-of-pearl, 148. 



mouth, of Euglena, 224; of frog, 246; 

 of Hydra, 199 ; of lamprey eel, 268, 

 269; of mussel, 147, 150; of Para- 

 mecium, 218, 219; of Planaria, 183. 



mouth parts, of grasshopper, 13 ; of 

 house fly, 76; of insects, 25-26; of 

 mosquito, 26 ; of moth, 26. 



movements, of frog, 245. 



mucus, of snail, 158. 



mud puppy, 299, 300. 



mule, 451. 



Miiller, 474. 



muscle, 247, 256. 



muscular system, 238, 256, 257. 



museums, 479. 



muskallunge, 286. 



muskrat, 456. 



mussel, 140, 145-153; anatomy of, 147, 

 149; circulation in, 151 ; classification 

 of, 157; digestion in, 150; habitat of, 

 145; reproduction of, 151 ; respiration 

 in, 149; sense organs of, 150; shell 

 of, 146-148. 



Myriapoda, 107, 128-129. 



