INDEX 



373 



Mammals, 34, 167, 176 ; American 

 Mammal Problems, 169-172; 

 orders of, with pictures of habi- 

 tats, 170 



Man, 176 



Manganese, 08 



Manure, barnyard, 70 ; disposal of. 

 115 ; relation of, to flies, 114, 115 



Maples, 59, 83 



Marigold, 86 



Markweed, 75 



Marsh hawk, 45 



Marsh wren, 51 



Martin, 49, 171 



Massasaugas, 327 



Mayweed, 70 



Meadow lark, 48 



Meal worm, 155 



Measles, 36, 215, 232. 233, 236, 239, 

 247, 256 



Medicinal plants, 71 



Mendel's law, 330, 337, 344, 345; 

 diagram illustrating, 335, 338; 

 history of, 336 



Meningitis, 107, 234. See alxo Cere- 

 brospinal meningitis 



Meningococcus, 234 



Mercuric acid, cure for potato scab, 

 216 



Mercuric chloride. 24< 



Mercury, 75 



Miasms, 237 



Mice, 30, 34, 44, 174. 182. 183. 184. 

 185, 245, 267 



Mildew. See Molds 



Milk, pasteurizing of. '244 



Milkweed, 69. 71 



Minks, 169 



Mission grape, 85 



Mites, 163-168, 236; clover mite, 

 ' 65 ; harvest mite, 163, 165 ; itch 

 lite, 166 ; poultry mite, 167; red 

 -.aite, 129 ; sheep-scab mite, 166 



Moccasins, 327, 328 



Mocking bird, 50, 61 



Molds and mildews, 97, 186, 189, 191, 

 193, 194, 210 ; botanical position 

 and structure of, 197, 198 ; obser- 

 vation of and experiments with, 199 



Mole plant, 76 



Moles, 30, 165, 171 



Mollusca, classification of, 274 



Mollusks, 271-284 



Mongolian, or ring-necked, pheasant, 

 42 



Monkey, 263 



Moose, 169 



Morphine, 343 



Mosquito, 20, 111, 113, 119, 123-135, 

 153, 154, 164, 182, 236, 240, 253. 

 257, 332 ; breeding places of, 131, 

 132 ; kinds of, 125 ; life history 

 of, 124, 128 ; methods of extermi- 

 nation of, 133 ; natural enemies 

 of, 129, 131 ; planning of cam- 

 paign against, 134, 135 



Mosses, 188 



Moth, 153, 318 ; case-making, 154 ; 

 clothes, 154 ; codling, 6, 155. See 

 also Brown-tail moth, Grape-berry 

 moth, Gypsy moth. White-marked 

 tussock moth 



Mountain laurel, 75, 80 



Mountain sheep, 169 



Mourning dove, 43, 44 



Mucket shells, 307 



Mud, or pond, terrapins. 325 



Mud puppies, 314, 320 



Mulberry, o9 



Mullein, 71, 72 



Mumps, 247 



Mushrooms, 73, 186, 189, 197, 210: 

 cause of root rot, 211 ; classifica- 

 tion of, 203-206; poisonous and 

 edible, 200-206 



Musk grass (Chara), 307 



