Index 



499 



Molluscs, larva, 105 

 over -wintering, 381 

 Monaco, Prince, 373 

 Monad, 90, 95, 98 

 Monarch butterfly, sec Color, 



warning ; Mimicry 

 Mongoose, 402-4 



Monkey, transport, 155; see Adap- 

 tation 

 Mono, see Lake 

 Monotremes, 140 

 Monsters, see Cyclopean Fish 

 Montague, 447 

 Moose, distribution, 174 

 Morgan, 88, 189, 202, 210; Stylo- 



nichia, 95-6 

 Morphin, narcotic, 322, 324-5 

 Morphology, problems, 89 

 Mosaic, structure of egg, 190 

 Mososaurs, 129 



Mosquitoes, Anopheles, malaria, 

 97 

 control, 454-5 

 disease, early ideas, 450 

 larvae, 378 

 malaria, 449-50 

 yellow fever, 450-2 

 Mosses, alternation of generations, 

 reproduction, 99 

 spermatozoa, chemical attrac- 

 tion, 327 

 Moth, brown-tail, 155 ; control, 

 4U6-7, parasites, 407 

 gypsy, 155; control, 40G-7 



parasites, 407 

 sex-determination, 210 

 sex-linked inheritance, 214 

 silkworm, China, 410 

 color, protective; see Gypsy, 

 Mimicry 

 Motility of life, 280-1; non-life, 



281 

 Mountain lion, see Puma 

 Mountain beaver, see Sewellel 

 Mountain sheep, distribution, 



174 

 Mouse, plague, IGl, 388, 390 



see Mice 

 Movement, see Motility 

 Mulatto, hybrid; see Inheritance, 



man 

 Mule, see Hybrid 

 Muller, 330 



Multiple factors, 263-4 

 Murray, quoted, 156 

 Murtrie, 31 



Museum, U. S. National; see U. S. 

 National 



Museum of Natural History, see 



American Museum 

 Musk ox, distribution, 172; ill., 



170 

 Muskrat, 425; distribution, 176 

 Mussel, destruction, 435 



life history, propagation, 436 



shells, use, 435 

 Mutants, see Mutation 

 Mutation, 239, et scq. 



ill. 239-40 

 Myriapods, sex determination, 209 

 Myxine, hermaj)hrodilism, 210 



N 



Niigeli, 203, 243 



Nanno -plankton, see Plankton, 



counting 

 Nansen, 366 

 Natural History Surveys, State, 



37 

 Nautilids, 117 

 National Park Service, 420; see 



Yellowstone 

 Natural History Laboratory, see 



Illinois, Wisconsin 

 Natural, see Selection 

 Negro, susceptibility to disease; 

 see Tuberculosis 

 yellow fever color, see Inheri- 

 tance, man, color 

 Nematodes, sex determination, 



209; see Sex cycle 

 Neoceratodus, invariability, 120 

 "Nero," 352 



Nerve, facial, relation to muscle; 

 see Vertebrates 

 fibre development, 195-9 

 Nervous impulse, 318, 322 

 system, 312 

 see Eat 

 Nets, see Tow, Closing, Hensen 

 Nevill, 292 

 New Jersey Pine Barrens, 178 



Training School, 85, 270 

 New Orleans, see Plague control 

 New York, Aquarium, see Zoologi- 

 cal Society 

 Botanical Garden, 65; ill. 64 

 Skin and Cancer Hospital, 472 

 State Board of Health, see 



Cancer Laboratory 

 State Institute for Study of 

 Maligant Disease, 473 

 Zoological Garden, see Zoological 

 Society 



