570 



INDEX 



Locomotion of Ameba, 23; fishes, 253 



Locusts, 1 80-1 8 1 



Loeb, artificial parthenogenesis, 134, 299 



Long-eared owl, 349 



Long-eared sunfish, 248 



Longevity of amphibia, 497; annelida, 

 497; arthropods, 497; birds, 496; 

 coelenterata, 497; fishes, 497; mam- 

 mals, 496; reptiles, 497 



Longhorns, 494 



Longipennes, 338 



Long-nosed gar, 241 



Long snouted Echidna, 374 



I-oon, 337 



Lubber grasshopper, 180 



Lucas, A. M., 460 



Lumbricidae, 105 



Luna moth, 187 



Lure-crops, 91 



Lyell, 514, 515 

 Lymph, 458-460 

 Lymphatics, 459 

 Lymph of fishes, 257 

 Lymphocytes, 456 

 Lynch, R., 123 

 Lyre bird, 351 



MACAQUES, 413 

 Macaws, 349 

 Mackerel, 249 

 Macrochires, 350 

 Madreporite, 130 

 Magnesium, 438 

 Malacostraca, 170, 173 

 Malay gavial, 309 

 Malay tapir, 4C0 

 Male-determining enzyme, 534 

 Mallard duck, 341 

 Mallophaga, 179 

 Malpighian tubules, 183 

 Malthus, 10, 514 

 Maltose, 429 

 Mammalia, 373-419 

 Mammalia-physiology, 420-481 

 Mammals as migrants, 418 

 Mammoth, 408 

 Manatee, 409 

 Mandarin duck, 340 



Manganese, 440 

 Mantis shrimp, 175 

 Man. vs. the higher apes, 420 

 Marco Polo's sheep, 494 

 Marmoset, 412 

 Marsupialia, 375 

 Marsupium, I46 

 Masking, 487 

 Massasauga, 323 

 Mastigameba, 7, 45 

 Mastigophora, 27 

 Mastodon, 408 

 Maternal impressions, 543 

 Mathews, 135 

 Maturation divisions, 505 

 Mavor, 540 

 May-flies, 179 

 McCarrison, 439 

 McClendon, 445 

 McClung, 533 

 McDowell, 541 

 Mead, A., 135 

 Meal moth, 186 

 Meal worm, 196 

 Mecoptera, 185 

 Mediterranean fruit fly, 193 

 Mediterranean race, 417 

 Medulla oblongata, 472 

 Megascolecidae, 105 

 Melanophores, 254, 487 

 Meleagris gallopavo, 495 

 Melia, 175 

 Mellanby, 439 

 Mendelian inheritance, 519 

 Mercaptan, 387 

 Mermis subnigrescens, 96 

 Mermithidae, 96 

 Merostomata, 207 

 Mesenterial filaments, 67 

 Mesoderm, 509 

 Mesoglea, of Hydra, 55, 58 

 Mesoglea, of sponge, 49 

 Mesohippus, 491 

 Mesonephros, 258 

 Metabolism, 8 

 Metamorphosis of frog, 296 

 Metaphase, 501 

 Metazoa, 4, 13, 46 



