INDEX 



741 



Macacus, 712, 727 



Mackerel, 493 



Macropodidae, 663, 718 



Macropus, 664, 719 



Macroscelidae, 670 



Macroscelides, 671 



Macrura, 219, 278 



Madreporic vesicle, 338 



Madreporite, 334 



Maggots, 250 



Malacobdella, 118 



Malacostraca, 204, 209, 214, 242, 278 



Male, 8 



Malleus, 122, 645 



Malpighian capsules, 440 



Malpighian layer, 523 



Malpighian tubules, 231, 238, 254, 264 



Mammalia, 451, 636 ; classification of, 



656, 717; fossil representatives of, 



714 



Mammals, 577 

 Mammary glands, 638 

 Mammoth, 685 

 Man, movements of, 2, 708, 709, 710, 



712, 713 



Manatee, 699, 700 

 Manatus, 699, 700, 725 

 Mandible, 208, 209, 232 

 Mandibular-arches, 431 ; -bar, 456 ; 



-cavities, 437 

 Manidae, 666, 669, 719 

 Manis, 668, 669, 719 

 Mantis, 251 

 Mantle, 284 



Mantle-cavity, 284, 286, 30 

 Manubrium, 62, 122 

 Manus, 520 

 Manyplies, 693 

 Marginal canal, 60 

 Marginals, 594 

 Marine turtles, 597 

 Marmosets, 711 

 Marmot, 701, 704, 705 

 Marsipobranchii, 448 

 Marsupials, 661 

 Marten, 677 

 Mastax, 119, 122 

 Mastigophora, 34 

 Mastodon, 686 

 Mastodonsaurus, 573 

 Maxilla, 209, 232, 261, 574, 616 

 Maxillary-bone, 479 ; -palp, 236 

 Maxillipedes, 182, 187, 209 

 Maxilloturbinal, 647 

 May-fly, 175, 252 

 Meatus auditorius externus, 641 

 Meckel's cartilage, 456, 574 

 Median fin, 525 

 Median vagina, 659 

 Mediterranean race, 715 

 Medulla oblongata, 416 

 Medullary plate, 385 



Medusa, 60, 62, 63, 64, 65, 66 



Medusoid person, 62, 67 



Megalospheric form, 26 



Meganucleus, 37 



Megapodidae, 630 



Meles, 677, 721 



Melontha, 248, 254, 255, 281 



Membrana semiluuaris, 624 



Membrana tympaniformis interna, 

 624 



Mendel, 10 



Menopoma, 542, 561 



Mentum, 236 



Mephitis, 677, 677, 721 



Merlucius, 516 



Mesenteric arteries, 461 



Mesenteric filament, 71 



Mesenteron, 239 



Mesentery, 68, 69, 72, 330, 437, 539 



Mesethmoid bone, 476 



Mesoblast, 134 



Mesocoracoid, 576 



Mesoderm, 133, 136 



Mesoderm cells, 135 



Mesogloea, 55 



Mesonemertini, 117 



Mesonephros, 440, 540 



Mesophyterygiura, 460 



Mesoscapula, 576 



Mesosoma, 259 



Mesosternum, 650 

 Mesostoma, 94, 95 



Meso-thorax, 236, 248 



Metabolism, 3, 6 

 Metacarpals, 608 

 Metacarpus, 520 

 Metamorphosis, 249, 406 

 Metanemertini, 118 

 Metanephros, 440, 441, 465, 540 

 Metapterygium, 460 

 Metapterygoid, 477 

 Metasoma, 259 

 Metatarsus, 520 

 Metatheria, 656, 658, .715, 717 

 Meta-thorax, 236, 248 

 Metazoa, 15 

 Mice, 700, 701 

 Micronucleus, 37 

 Micropterus, 515 

 Microspheric form, 26 

 Midas, 726 

 Milk, 638 

 Millepore coral, 74 

 Mink, 676 

 Mites, 260, 268 

 Moa, 631 

 Mole, 671, 672 

 Molecules, 4, 5 

 Mole-shrew, 671 



Molge, 520, 522, 525, 529, 531, 532, 533, 

 534, 537, 538, 539, 540, 541, 543, 545, 

 548 



