metaccelic sacs, 367, 368 



metamerism in vertebrate head, 

 460 



metanephridia, 376 



metanephros, 370, 375-377, 383 



metanephrotic system, 375, 377 



metapleural folds, 527 



metapterygium, 176, 185-187 



Metazoa, 257, 317 



metencephalon, 411, 426, 443 



microgametes, 7, 48, 49, 50, 58 



Midas, 86, 88 



midbrain, 411 



middle ear, 493-496" 



milk glands, 114-118 



mitosis, 54, 55 



molar glands, 286 



molars, 275 



mole, 277, 287, 284 



mole, star-nosed, 90 



monkeys, 90, 91, 92, 112, 223, 254, 

 277 



Monodelphia, 36 



Monodon, 277 



monophyodont dentition, 280 



monorrhine condition, 476 



monotremes, 33, 44, 236, 255, 337, 

 357, 388, 393, 399, 4OO, 402, 491 



motor nerves, 434 



motor roots, of nerves, 435, 436 



mouse, 316, 402 



mouth, 466, 467 



mouth cavity, 466 



mouth, origin of, 258, 259 



mucosa, 260, 262 



Miiller's duct, 382, 387, 388, 391, 

 392, 394 



Multituberculata, 35 



Mus, 402 



muscle, or muscles : abductor cau- 

 dae dorsalis, 212; abductor cau- 

 dae ventralis, 212 ; abductor coccy- 

 gis, 214; abductores breves, 234; 

 abductors, of pollex and minimus, 

 236; achselbogen, 251; acromio- 

 deltoid, 226; adductores (fem- 

 oris), 229; adductor laryngis, 

 313; adductor mandibulae, 247; 

 adductor mandibulse, 495 ; an- 

 coneus, 222, 226; auricularis 

 anterior, 255; auricularis pos- 

 terior, 255; auricularis superior, 



INDEX 561 



muscle (Continued) 



255 ; auriculo-labialis, 55 ; au- 

 riculo-occipitalis, 255 ; appen- 

 dicular, 190, 192, 193, 217-245; 

 axial, 190. 192, 200-217; axil- 

 lary arch, 251 ; biventer cervicis, 

 226, 227; biceps femoris, 229; 

 brachialis, 226, 227; brachiora- 

 dialis, 240; buccinator, 255; cau- 

 dal, 212-214; caninus, 255; cervi- 

 calis ascendens, 208; coccygeus, 

 214 ; coraco-brachialis ; 226 ; co- 

 raco-brachialis brevis, 222 ; coraco- 

 brachialis longus, 222 ; complexus, 

 210; crureus, 229; cremaster, 

 396; cucullaris, 223; curvatores 

 coccygis, 214; deltoid, 195, 226; 

 depressors of visceral arches, 

 245, 246, 247; diaphragm, 316; 

 diaphragma pelvis, 214; di- 

 gastricus, 196, 247, 248, 438; 

 dilatator laryngis, 313; dorsalis 

 antebrachii, 231, 235; dorsalis 

 scapulae, 222 ; dorso-laryngeus, 

 247, 248; extensor caudae later- 

 alis, 212; extensor caudae medi- 

 alis, 212; extensor carpi radialis, 

 2 37, 239; extensor carpi ulnaris, 

 237, 239; extensor communis dig- 

 itorum, 235 ; extensores breves, 

 231 ; extensor radialis, 231 ; ex- 

 tensor ulnaris, 231 ; facial mus- 

 cles, 254-256; femero-fibularis, 

 228; flexores breves profundi, 

 234; flexores breves superficiales, 

 234; flexor caudae, 212; flexor 

 carpi ulnaris, 237, 239; flexor 

 carpi radialis, 237, 239; flexor 

 digitorum profundus, 236; flexor 

 digitorum sublimis, 236; flexor 

 pollicis longus, 236; flexor ul- 

 naris, 234; flexor radialis, 234; 

 galea aponeurotica, 55 ; gastro- 

 chnemius, 239 ; genio-glossus, 248 ; 

 glutaeo-cruralis, 229; glutaei, 229; 

 gracilis, 229; hyo-glossus, 248; 

 hyo-laryngeus, 247; homology of, 

 194-199 ; humero-antebrachialis, 

 222, 227; ilio-coccygeus, 214; 

 ilio-costalis, 208 ; ilio-femoralis, 

 228, 229; ilio-fibularis, 228, 229; 

 ilio-extensorius, 228, 229; ilio- 



