iii. 519, 533, 543 Macacus radiatus, characters of, ii. 273 muscular system, iii. 53 prosencephalon, iii. 124, 126 Macacus rhesus, development of, iii. 746 Macacus silenus, female organs of gene- Machairodus, teeth of, iii. 329, 339, 370, 374 Mackerel, myocomma of the, i. 3 Macrauchenia, limb-bones of, ii. 454, 459 vertebral column, ii. 446, 448 vertebral column, ii. 329 Macropus Brunii, development of, iii. 721 Macropus major, characters of, ii. 266 development, iii. 752 limb-bones, ii. 354, 359 lungs, iii. 576 electric organs, i. 350, 355 organ of touch, i. 326 pyloric appendage and pancreas, Mammalia, absorbent system, iii. 504 disposition, iii. 508 ganglions, iii. 508 adipose substances, iii. 784 adrenals, iii. 570 alimentary canal, iii. 383 mouth, iii. 383 salivary glands, iii. 396 stomach, iii. 411 i characters and primary groups of the class, ii. 266 character of Mammalian sub-classes, stages of complexity of the brain, ii. 270 characters of the Orders of Mam- table of the subclasses and orders: according to Cuvier, ii. 295 circulating system, iii. 513 blood-discs, iii. 513 heart, iii. 516 arteries, iii. 532 structure, iii. 533 MAM Mammalia-nervous system-continued. 145 organs of touch, iii. 186 smell, iii. 204 sight, iii. 246 eyeball, iii. 246 of nocturnal Mam- osseous system, i. 20; ii. 297 general characters of the skull, general characters of the limbs, special homologies, ii. 311-553 proportion of hard and soft mat- pancreas, iii. 492 function of, iii. 499 peculiar glands, iii. 632 opening upon the head, iii. 632 lungs, iii. 572 larynx, iii. 582 spleen, iii. 557 teeth, iii. 265 general characters, iii. 265 tegumentary system and appendages, iii. 610 derm, iii. 610 epiderm, iii. 613 wool, iii. 618 spines, iii. 621 scales, iii. 622 nails, claws, and hoofs, iii. 623 horns, iii. 624 thymus, iii. 566 thyroid, iii. 563 urinary system, iii. 604 kidneys, iii. 604 texture, iii. 604 colour, iii. 604 ureter, iii. 605 tubuli uriniferi, iii. 605 modifications, iii. 605 of the subclasses of Mam- developmental characters, i. 6 Mammary organs, iii. 760 locomotion, iii. 68 mouth, iii. 385 muscles, iii. nervous system, iii. 74 organ of hearing, iii. 227 organs of generation, iii. 645 female, iii. 680 osseous system, ii. 328 skeleton, ii. 328 A. vertebral column, ii. 328 B. skull, ii. 334 frontal, ii. 342 lacrymal, ii. 343 malar, ii. 343 premaxillary, ii. 344 C. bones of the limbs, ii. 350 scapula, ii. 350 respiratory system, iii. 576 skull, ii. 334 urinary system, iii. 606 veins, iii. 552 vertebral column, ii. 328 Marsupium, or pecten, of Aves, ii. 138 Martin cats, teeth of, iii. 333 vertebral column, ii. 441 limb-bones, ii. 483 teeth, iii. 351 Megaderma, alimentary canal of, iii. 424 derm, iii. 613 Megalichthys, alimentary canal of, i. 424 teeth, i. 378 Megalonyx, limb-bones of, ii. 411 teeth, i. 387, 400, 405 Megalotis Lalandii, organ of hearing of, iii. Megapodius, scapular arch and limbs of, ii. 74 Megatherium, characters of, i. xxxii. locomotion, iii. 66 nerves, iii. 162 osseous system, ii. 297 limb-bones, ii. 307, 408, 411, 414 teeth, i. 361, 363; iii. 274, 275 Meleagris, characters of, i. 26 dorsal vertebræ and sternum, ii. 27 generative system, ii. 258 Meles taxus, limb-bones of, ii. 509 organs of generation, male, iii. 669 teeth, iii. 333, 334 vertebral column, ii. 491 MOR Monodon, teeth of, iii. 265, 279, 280 vertebral column, ii. 418 Milvus, locomotion of, ii. 116 Mincopies, the, of the Andaman Islands, Mole. See Talpa Molossus, mouth of, iii. 387 Monitor, alimentary canal of, i. 445 development, i. 638 Monochir, characters of, i. xxxiii. Monophyllus, organs of taste of, iii. 192 nervous system, iii. 73 organs of generation, iii. 643 female, iii. 677 organ of hearing, iii. 226 A. vertebral column, ii. 316 C. bones of the limbs ii. 323 scapula, ii. 323 coracoid, ii. 323 clavicle, ii. 324 humerus, ii. 324 ulna, ii. 324 patella, ii. 327 tarsus, ii. 327 pancreas, iii. 492 respiratory system, iii. 575 spleen, iii. 560 vertebral column, ii. 316 skull, i. 118 Mormyrus dorsalis, electric organs of, i. 350 alimentary canal of, i. 416, 417 Mormyrus oxyrhynchus, electric organs of, limb-bones, ii. 484, 486 skull, ii. 471 teeth, iii. 348, 349, 351 vertebral column, ii. 460 Motacilla, eggs of, ii. 257 Mammalia, ii. 267; iii. 383 Mugil, alimentary canal of, i. 418 pectoral limb, i. 166 vertebral column, i. 37 Mugil cephalus, teguments of, i. 550 Mugil labrosus, alimentary canal of, i. Mugilidae, characters of, i. 11 alimentary canal, i. 420 Mullus, myelencephalon of, i. 283 Muræna, alimentary canal of, i. 421 scapular arch, ii. 65 teeth, i. 370 Muræna helena, skull of, i. 113 vertebral column, i. 45 teeth, i. 370 Muridæ, adrenals of, iii. 570 MYL limb-bones, ii. 382 organs of generation, male, iii. 655 organs of smell, iii. 209 skull, ii. 378 teeth, iii. 299 Mus decumanus, alimentary canal of, iii. 421 liver, iii. 485 mammary glands, iii. 776 Mus messorius, brain of, iii. 143 Mus musculus, brain of, iii. 143 mammary glands, iii. 776 Mus rattus, alimentary canal of, iii. 420 Muscle, structure of, i. 200 osseous system, ii. 28, 56 Mustela martes, development of, iii. 744 Mustela zibellina, vertebral column of, ii. 491 Mustelidæ, limb-bones of, ii. 509 mammary glands, iii. 780 organ of hearing, iii. 234 teeth, iii. 333 urinary system, iii. 608 vertebrate column, ii. 492 heart, i. 474 vertebral column, i. 35 Mustelus levis, development of, i. 610 female organs of generation, i. 575 Mycetes seniculus, cæcum of, iii. 432 cranium, ii. 529, 531 development, iii. 745, 746 Mycteria, beak of, ii. 147 Mydaus meliceps, anal gland-bag of, iii. 637 vertebral column, ii. 491 Myelencephala. See Vertebrata, i, ix, x, skull, i. 81 teeth, i. 369, 370, 373, 375, 378; iii. |