LIST OF ILLUSTKATIONS 



xv 



FIGURE PAGE 



277. Left premaxillary bone, upper view 356 



278. The skull, side view of cranial and 



nasal cavities 358 



279. Human left maxillary, outer view. 



(Leidy) 360 



280. Human left maxillary, inner view. 



(Leidy) 360 



281. Human face, left side, outer walls of 



the orbit and antrum removed. 

 (Leidy) 361 



282. Position of left malar bone, side 



view v 362 



283. Left malar bone, outer surface . . . 363 



284. Left malar bone, inner surface . . . 364 



285. Human right malar bone, outer 



view. (Leidy) 367 



286. Position of left nasal bone, front 



view 367 



287. The skull, from above 368 



288. Left nasal bone, anterior surface . . 369 



289. Roof and part of anterior wall of 



nasal chamber, ethmoid removed 370 



290. Transverse vertical section through 



half of face 371 



291. Eight nasal chamber, side view 



from within 372 



292. Left nasal bone, outer surface, side 



view 372 



293. Human left nasal bone, anterior 



view. (Leidy) 375 



294. Transverse vertical section of skull 



through orbits, seen from behind 376 



295. Left lachrymal bone, outer surface . 376 



296. Human right lachrymal bone, ex- 



ternal view. (Leidy) 378 



297. Outer wall of left nasal cavity from 



within, ethmoid removed .... 379 



298. Position of the vomer, median sec- 



tion 380 



299. The ethmoid and vomer, left side, 



outer surface 380 



300. Nasal fosste, from below 381 



301. The ethmoid and vomer, lower 



aspect 381 



302. Eight nasal chamber, side view, 



from within 382 



303. Human face, vertical section, ex- 



hibiting osseous nasal septum. 

 (Leidy) 383 



304. Human vomer, left side. (Leidy) . 384 



305. Left maxillary bone, superior sur- 



faces 384 



306. Transverse section of half of face . 385 



307. Human right nasal cavity, outer 



wall. (Leidy) 386 



308. Human right turbinal bone, external 



view. (Leidy) 387 



309. The face, side view and transverse 



section 387 



FIGURE PAGE 



310. Lower jaw, from above 388 



311. Lower jaw, left side, outer surface . 389 



312. Lower jaw, left side, inner surface . 390 



313. Human mandible. (Leidy) .... 396 



314. The skeleton of the cat 398 



315. Hyoid bones, viewed from behind, 



above, and the right side .... 391) 



316. Hyoid bones and larynx, left side . 400 



317. Human hyoid bone. (Leidy) . . . 401 



318. Eight upper teeth in position, medial 



view 403 



319. Lower jaw, from above 404 



320. Eight second lower premolar tooth, 



enlarged four times 405 



321. Eight first upper incisor tooth, en- 



larged four times 407 



322. Eight second upper incisor tooth, 



enlarged four times 407 



323. Eight third upper incisor tooth, en- 



larged four times 408 



324. Eight upper canine tooth, enlarged 



four times 408 



325. Eight first upper premolar tooth, 



enlarged four times 409 



326. Eight second upper premolar tooth, 



enlarged four times 409 



327. Eight third upper premolar tooth, 



enlarged four times 410 



328. Eight upper molar tooth, enlarged 



four times 411 



329. Eight first lower incisor tooth, en- 



larged four times 412 



330. Eight second lower incisor tooth, 



enlarged four times 412 



331. Eight third lower incisor tooth, en- 



larged four times 413 



332. Eight lower canine tooth, enlarged 



four times 413 



333. Eight first lower premolar tooth, 



enlarged four times . 414 



334. Eight second lower premolar tooth, 



enlarged four times 415 



335. Eight lower molar tooth, enlarged 



four times 415 



336. Relations of the upper and lower 



teeth, enlarged one-third .... 416 



337. Relations of the upper and lower 



teeth, inner aspect, enlarged four 

 times 417 



338. Diagram of apposition of posterior 



teeth 418 



339. Anterior deciduous teeth, enlarged 



four times 419 



340. Eight upper deciduous teeth, in- 



ferior aspect, enlarged four times 419 



341. Eight upper deciduous teeth, outer 



aspect, enlarged four times . . . 420 



342. Eight lower deciduous teeth, outer 



aspect, enlarged four times . . . 420 



