xvi LIST OP ILLUSTRATIONS 



FIG. PAGE 



296. Transection of the female urethra . . . . . . 364 



297. Transection of a child's penis ....... 367 



298. A helicine artery 368 



299. Erectile tissue of the penis 369 



300. Human semen 370 



301. Human spermatosomes . . . ' . . . . . .371 



302. Spermatozoa of various animals . ... . . . 372 



303. Testicle, with its system of efferent passages . . - ... . 373 



304. Tortuous seminiferous tubules . . .. v ' . . . 374 



305. Diagram of successive stages of spermatogenesis . ''. . . 376 



306. Seminal tubule of man in transection 377 



307. Three phases of spermatogenesis ....... 378 



308. Dorsal surface of a rabbit's testis . . . . . . .381 



309. Portion of the wall of an efferent ductule 381 



310. Efferent ductules of the epididymis . . . . . .382 



311. Tubules of the epididymis in transection . . . ... 383 



312. Transection of the vas deferens . 385 



313. The pampiniform plexus 386 



314. A section through the wall of the seminal vesicle of man . . 387 



315. Reconstruction of the prostate gland of man . . . . 389 



316. Alveoli of the human prostate gland . .. . , . 390 



317. Prostatic genital corpuscles . ' . : -. , ... . 391 



318. Reconstruction of Cowper's gland . . . . " , . 392 



319. A section of Cowper's gland . . . . . . . .392 



320. From the ovarian cortex of an infant . . . . . . 395 



321. Ovum containing yolk nucleus ... . . . . 396 



322. Diagram of reduction during maturation of the ovum . . . 398 



323. -Ovarian cortex of a new-born kitten . ... . . 399 



324. Graafian follicle of the human ovary . . ... . 401 



325. Graafian follicle of the human ovary, somewhat more advanced 



than the preceding ......... 402 



326. A nearly mature Graafian follicle 403 



327. A mature Graafian follicle 404 



328. The peripheral portion of a corpus luteum . . . . . 406 



329. Corpora lutea 407 



330. A corpus albicans 408 



331. The epoophoron 409 



332. The Wood vessels of the ovary . . . . . . .410 



333. Transections of the human oviduct 412 



334. The ampulla of the human oviduct 413 



335. The mucosa of the oviduct ........ 414 



336. Transection of the uterus of an ape 416 



337. Transection through the body of the human uterus . . .417 



338. Uterine mucosa of a girl of sixteen years 418 



339. Transection of the uterine mucosa 419 



340. Cervix uteri of a girl of sixteen years 420 



341. A gland of the cervix uteri in longitudinal section . . . 421 



