526 



INDEX 



Mesohippus, 326 

 Metamorphosis, 149 



complete, 150, *i5i 



incomplete, *i49 

 Metazoa, 39 



reproduction and development, 



43 



Mice, 309, 310 

 Microfilaria, *85 

 Microtus, 310 

 Milliped, *i24 

 Minnows, 249 

 Mink, 314 

 Miscible oils, 417 

 Mistichthys, 239 

 Mites, 212 

 Mole, 311 

 Mollusca, 216 

 Molluscoida, 88 

 Monarch butterfly, metamorphosis, 



Monkeys, 318 

 Monomorium minimum, 399 



M. pharaonis, 398 

 Monophadnoides ru-bi, 468 

 Monotremata, 299 

 Monotremes, 299 

 Moose, 303 

 Mosquitoes, control, 371 



eggs and larvae, *368 



life-history and habits, 368 



malaria-carrying, 369 



mouth-parts, *i46 



pupas, *369 



yellow fever, 373 

 Moth, 174 



codling, *423 



clothes, 400 



oak-tree, *4io 



tussock, *430 

 Mouth-parts, different types, 143 



grasshopper, *i44 



honey-bee, *i29 



house-fly, *i47 



mosquito, *i46 



sphinx-moth, *i48 



water-bug, *i45 

 Mud-eels, 256 

 Mugilidas, 252 

 Mullet, 252 



Ahtlticcps multiceps, 75, *-j6 

 Murgantia histrionica, 482 

 Muricidae, 232 



Murrina, 355 



Musca domestica, *3/8 



mouth-parts, *i47 

 Mus decumanus, 309 



M. musculus, 310 



M . rait us, 309 

 Muskrat, 309 

 Mussels, 222 



fresh water, 216 



and buttons, 220 



and pearls, 220 



sea, *223 

 Mustelidae, 314 

 Mustelits, 246 

 Mutation, 336 

 Mya arenaria, 223, *224 

 Mycetozoa, 35 

 My otis subulatus, 312 

 Myriapoda, 123 

 Myrmeleon sp. *i67 

 Mytilus edulis, *22$ 

 Myxosporida, 365 

 Myzus ribis, 470 



Nagana, 354 



Naja tripii-dians, 272 



Natrix, 269 



Nautilus, chambered, 236 



paper, 235 



Necator americanus, *82 

 Necturus, 256 

 Nemathelminthes, 79 



classification, 86 

 Nematoda, 86 

 Nematomorpha, 86 

 Neotoma Pennsylvania!, 309 

 Nephrops norwegicus , 118 

 Nereis, sp., 103 

 Neuroptera, 166 

 Nicotine solutions, 417 

 Noctiluca, 34 

 Non-calcarea, 62 

 Notophthalmus torosus, *257 

 Notropis, 248 



Novius cardinal-is, 407, *4o8, 460 

 Nudibranchs, *233 



Oak-tree moth, *4io 



pruner, 513 



twig-girdler, 

 Oberea bimacula, 468 

 Ocellus, 132 

 Ocelot, 313 



