IXDEX 



563 



muscle (Continued) 



magnus, 222, 223; serrati poste- 

 riores, 203, 206; soleus-gastro- 

 chnemius, 239; sphincter ani, 

 214; sphincter colli, 253; sphincter 

 cloacae, 250; sphincter marsupii, 

 250; spinalis capitis, 209; spinalis 

 cervicis, 208 ; spinalis dorsi, 208 ; 

 spino-deltoid, 226 ; spino-spinalis 

 system, 208, 215 ; spino-transver- 

 salis system, 207; splenius capi- 

 tis, 207; splenius cervicis, 207, 

 215; stapedius, 196, 248, 438, 495; 

 sternalis, 253; sterno-cleido mas- 

 toideus, 223; sterno-cleido mas- 

 toideus, 457; striated, 189, 190; 

 stylo-glossus, 248; stylo-hyoideus, 

 248; subclavius, 226; subcutaneus 

 faciei, 255; supinator, 231, 237; 

 supinator brevis, 240; supinator 

 longus, 240; supracoracoideus, 

 222, 226; supra-spinatns, 226; 

 temporalis, 190, 248; tenuissimus/ 

 229; tensor tympani, 248, 495; 

 teres major, 223, 226; teres minor, 

 226; tibialis anterior, 239; tibialis 

 posterior, 239; trachelor-mastoid, 

 208; transversalis abdominis, 203, 

 204; transversalis, colli, 208; 

 transverso-spinalis system, 210, 

 215; transversus thoracis, 204; 

 trapezius, 206, 222, 223, 457; tri- 

 angularis sterni, 204; triceps, 222, 

 226; unstriated, 189; vastus 

 group, 229; visceral, 190, 192, 245- 

 249; voluntary, 189, 190; zygoma- 

 ticus, 255 



muscles of Necturus, 191-193, 220- 

 222, 227-229, 230-235 



muscles, of alimentary canal, 290, 

 291 



muscle somites, 192 



muscular homology, 194-199 



musculosa, 260 



musk glands, no 



muskrat, 297 



myelencephalon, 412, 426, 42;, 443 



myocommata, 27, 192 



myology, comparative, 195 



myomeres, 27 (see also myotomes) 



Myopotamus, 86 



myotomes, 192, 461 



myotomic buds, 217, 218, 219 



myriapod, 428, 429, 460 



myriapod, nervous system, 428 



Myrmecophaga, 277 



Myrmecophagidae, 33 



Myxine, 437, 476, 488, 489, 516 



myxinoids, 49 



nails, 105, 106, 107 



nares, anterior, 478 



nares, posterior, 478 



narwhal, 277 



nasal capsules, 145 



nasal cavities, 269 



Nasodon, 281 



naso-lacrimal duct, 504 



naso-pahtine canal, 479 



Neanderthal man, 42 



neck, 132, 133 



neck, formation of, 130 



Necturus, 128, 138, 171, 172, 183, 

 186, 191, 220, 227, 228, 229, 230, 

 231, 232, 233, 234, 235, 237, 238, 

 240, 246, 247, 312, 313, 430, 442 



nemerteans, 520, 521 



nemertean theory of vertebrate an- 

 cestry, 520, 521, 522 



nerve, or nerves : abducens, 216, 

 443, 445, 446, 447, 461, 462 ; acces- 

 sorius, 443, 452, 455, 457; acusti- 

 cus, 443, 448, 452, 462; auditorius 

 (see acusticus) ; ansa hypoglossi, 

 458; brachial plexus, 438, 439- 

 441 ; buccalis, 449 ; chorda tym- 

 pani, 450, 451 ; communicans IX, 

 454, 456; facialis, 196, 246, 248, 

 256, 443, 448-452; 453, 454, 461, 

 502; glosso-pharyngeus, 246, 247, 

 443, 451, 452, 457, 461, 502; gus- 

 tatorius, 452 ; hyomandibularis, 

 449; hypoglossus, 443, 457-459, 

 462, 463; intestinalis, 454, 457; 

 Jacobson's, 451, 454, 456; later- 

 alis X, 453, 457; lingualis, 452; 

 454; lumbo-sacral plexus, 438; 

 mandibularis externus VII, 449; 

 mandibularis internus VII, 449; 

 mandibularis V, 449, 451 ; maxil- 

 laris, 449; motor, 434; motor 

 oculi, 216, 443, 445, 446, 447, 462; 

 occipital, <\/\/\ ; occipito-spinal, 

 444; olfactorius, 443, 444; oph- 

 thalmicus, 451; ophthalmicus 



