306 



INDEX 



Mosquito, artificial transportation, 87 



captive, 84 



in cisterns, 88 



control, 82, 89 



destruction of, by dragon flies and 

 fish, 88 



and disease, 83 



larvae, 85-89 



length of flight, 86 

 of life, 86 



life-history, 84, 85 



number of species, 83 



pupae, 86, 89 

 Moth balls, 101 

 Mother-of-pearl, 60 

 Mountain lions, 212 

 Mouse bait, 245 



traps, 245 



Mowbray, L. L., 113, 114 

 Mud puppy, 125-26 

 Murex, 60 

 Muridae, 227, 228 

 Murre's eggs, 184 

 Musca domestica, see House-fly. 

 Muskrat, 222 



age at sexual maturity, 221 



collection, 221 



distribution, 220 



as food, 260 



importance, 220 



musk of, 221 



number of skins sold, 220 



raising, 214 



rate of breeding, 221 



skins, 213, 221 



Mus musculus, see House mouse. 

 Mussel, 44 

 Mustelidae, 212 

 Mustelus, in 



Mya arenaria, see Long-neck clam. 

 Myotis lucifugus, 210, 211 

 Myriapoda, 69, 78 



characteristics, 69 

 Myrmecophaga jubata, 261 

 Myrmecophidae, see Anteater. 

 Mystacoceti, see Whalebone whales. 



Mytilus edulis, see Salt-water mussel. 

 Myxine, 108-10 



N 



Naphtha for moths, 102 

 Naphthalene for moths, 101 

 Narwhale, tusk, 2^3, 251 

 Nautili, 45 



Necator americanus, 33, 34 

 Necturus maculatus, 125, 126 

 Negri, 2 



bodies, 8 

 Negroes and hookworm, 36 



immunity to, 36 

 Nemathelminthes, 31 

 Nelson, E. W., vi, 213 

 Neornithes, 178 

 Neurocytes hydrophobiae, 2, 8 

 Neuroptera, 96 



New York Fur Sales Corporation, 213 

 Noddy, 184 

 Northern raven, 195 

 Norway rat, see Brown rat. 

 Norwegian whalers first visit America, 



279 



Notochord, 107 

 Nummulites, 3 

 Nummulitic limestone, 3 



Obelia, 15 



Octopus, see Devil fish. 



Odd-toed ungulates, see Perissodactyla. 



Odocoileus (Cariacus) virginiana, see 



Deer. 



Odontoceti, see Toothed whales. 

 Ogliole, 17 



One-humped camel or dromedary, 266 

 Onychophora, 69, 78 

 Ophibolus doliatus triangulus, 167 



getulus, 169 

 Ophidia, see Snakes. 



characteristics, 136 

 Ophiuroidea, 22, 24, 25 

 Opisthoglyph snakes, 153 



