710 



INDEX 



Mammals (Cont.) : 

 plant-eating, 516 

 pouched, 481 

 relations to man, 493 

 toothless, 485 

 Mammary glands, 474 

 Mammillary body, 546 

 Mammoths, 496 

 Man, 325,485,489,495 

 brain, 546 



function, 546 

 breathing, 536 



circulation, 529, 530, 531, 532 

 digestion, 516 

 digestive system, 515, 516 

 ear, 549 



endocrine system, 551 

 evolution of, 623-626 

 excretory svstem, 537, 539 

 eye, 549, 550, 551 

 heart, 530 



histology of intestine, 518 

 hormones, 551 

 inheritance of sex, 582, 584 

 lungs, 537 

 movement, 504 

 muscles, 504-508 

 muscular skeleton, 505, 506 

 nervous system, 546 

 reproduction, 341 

 respiratory system, 536 

 secretions, 539 

 skeleton, 500-503 

 urogenital system, 342 

 vertebra, 502 

 Manatee, 464, 480 

 Mandible, bone, 500, 502 

 cat, 466 



crayfish, 201, 202, 205 

 frog, 344 



grasshopper, 230, 232 

 insect, 246 

 millipedes, 225 

 mosquito, 247 

 pigeon, 437 

 Mandibular arch, 381 

 Manganese, 519 

 Manis, 482, 496 

 Mantidae, 263 

 Mantis, 263 

 Mantle, 281, 284, 323 

 cavity, 281, 284 

 collar, 293 

 line, 284 

 Manubrium, 118, 120 

 Margaritana, 301 

 Marginal lappets, 121 

 Marine, abyssal zone, 632 

 bathyal zone, 632 

 environment, 631, 632 

 euphotic zone, 632 

 neritic zone, 632 

 oceanic region, 632 

 Marmoset, 488 



Marsh birds, 452 



Marsupial, 495 



Marsupial tree frogs, 399 



Marsupialia, 464, 482, 495 



Marsupium, 481 



Marten, 493 



Masseter, 347, 467, 507 



Mastax, 164 



Mastigamoeba, 46, 49 



Mastigophora, 31, 47 



Mastigoproctus, 111 



Mastodon, 492 



Maternal impressions, 597 



Mating types, 63 



Maturation, 80, 115, 574, 575 



division, 574, 576, 577 

 Maxilla, bones, 347, 500, 502 

 crayfish, 201, 205 

 frog, 343, 344^ 

 grasshopper, 231, 232 

 insects, 246 

 millipedes, 225 

 mosquito, 247 

 pigeon, 437 

 Maxillary palp, 232, 247 

 Maxilliped, crayfish, 200, 201, 



202, 205 

 Mayfiy, 229, 240, 243, 260 

 Measuring worms, 264 

 Mechanical process in digestion, 



514 

 Mechanism of reaction, 544 

 Mechanoreceptors, 547 

 Mecoptera, 229, 260, 264 

 Medical zoology, 10 

 Medicine man, W. Africa, 12 

 Mediterranean fruit flv, 259 

 Medulla, 350, 351, 472, 546 

 of kidnev, 539 

 oblongata, 350, 351 

 brain, 546 

 Medusa, 117, 118, 119, 120, 122, 



125 

 Megaceryle, 462 

 Megachilidae, 265 

 Megascolides, 190 

 Mehlis gland, 140, 144 

 Meiosis, 80, 574 

 Melanophores, 398 

 Melicerta, 166 

 Meloidae, 264 

 Meloidogyne, 154 

 Membracidae, 264 

 Membrane, basement, 230 

 cell, 21, 23 



diffusion, 23, 24 

 nuclear, 21, 22 

 osmosis, 23, 24 

 permeable, 23, 24 

 differentially, 23 

 semi-, 23, 24 

 Membranous labyrinth, 549 

 Memory, 557 

 Menandrina sinuosa, 128 



Mendel, 580, 656 

 garden, 580 

 genetics, 656 

 laws, 580, 581 

 Mendelian ratio, 583 

 Menopon, 263 

 Mentomeckelian, 344 

 Mephitis, 484, 496 

 Mercenaria, 299, 301 

 Merganser, 446, 452 

 Meroblastic cleavage, 82 

 Merozoite, 68, 69 

 Merychippus, 618, 619, 620 

 Mesenteric arteries, 337, 338 

 Mesentery, frog, 331 

 sea anemone, 123 

 Mesoblast, 180 

 Mesoblastic bands, 180 

 Mesoderm, 83, 133, 356, 357, 



565 

 Mesodon, 289 

 Mesoglea, 95, 96, 105, 106, 107, 



116,120,122 

 Mesohippus, 618, 619, 620 

 Mesosternum, 345 

 Mesothoracic leg, 245 

 Mesothorax, 231, 233 

 Mesozoa, 168, 169 

 Mesozoic era, 616 

 Metabolism, 5, 18, 87, 509-542 



and transport, 509-542 

 Metacarpal, 343, 346, 438, 501, 



590 

 Metacercaria, 140, 141 

 Metagenesis, 118, 563 

 Metamere, 89 



Metamerism, 89, 170, 190, 324 

 Metamorphosis, 84, 568 

 ammocoetes, 569 

 amphioxus, 569 

 annelids, 568 

 chordates, 569 

 coelenterates, 568 

 frog, 358 

 insects, 240, 241, 242, 243, 



569 

 lamprey, 569 

 mollusks, 568 

 retrogressive, 323, 569 

 sponges, 568 

 starfish, 308, 568 

 tunicates, 569 

 Metaphase, 25, 26,28 

 Metapleural cavity, 319 



fold, 316, 319 

 Metastrongylus, 194 

 Metatarsals, 343, 346, 501 

 Metatheria, 495 

 Metathoracic legs, 245 

 Metathorax, 231, 233 

 Metazoa, 78-91 

 Methods of feeding, insects, 246 

 chewing, 246 

 piercing-sucking, 246 



