XII 



PHYLUM CHORDATA 



513 



cavity of each scrotal sac is in free communication with 

 the cavity of the abdomen by an opening the inguinal 

 canal. A convoluted epididymis, closely adherent to the 

 testis, forms the proximal part of the vas deferens. The vasa 



FIG. 287. Lepus cuniculus. The urinogenital organs. A, of male ; B, of female, 

 from the left side (half nat. size). The kidneys and proximal ends of the ureters 

 and in A the testes, and B the ovaries, Fallopian tubes and uteri are not shown 

 an. anus ; bl. urinary bladder ; c. c. corpus cavernosum ; c. s. corpus spongiosum 

 c.gl. Cowper's gland \g. cl. glans clitoridis \g. p. glans penis \p.gl. perineal gland 

 p.gl'. aperture of its duct on the perineal space ; pr. anterior, pr '. posterior, anc 

 pr" . lateral lobes of prostate ; yet. rectum ; r, gl. rectal gland ; ii.g. a. urino 

 genital aperture ; . m. uterus masculinus ; ur. ureter ; va. vagina ; vb. vestibule 

 v. d. vas deferens. (From Parker's Zootomy.) 



deferentia (v.d.) terminate by opening into a urinogenital 

 canal, or urethra, into which the neck of the urinary bladder 

 is continued. A prostate gland (pr.) surrounds the com- 

 mencement of the urethra, the neck of the bladder, and the 

 Man, Zool, L L 



