1870. | PROF. W. H. FLOWER ON ZLURUS FULGENS. 765 
1 inch between them; they are placed rather nearer to the orifice 
of the prepuce than to the anus. 

Side view of pelvic viscera; three-fourths the natural size. 
t. Testicle. wd. Vas deferens. wb. Urinary bladder. w. Ureter. 7. Rectum. 
ep. Erector penis muscle. 7p. Retractor penis. Ja. Levator ani. . Anal 
gland. 
The middle of the perineum is more scantily clothed with hair 
than the rest of the under surface of the body. There is a distinct 
muscular sphincter beneath the skin around the orifice of the 
prepuce. 
The penis is rather small, being 2" in length from the junction of 
the crura to the end of the glans. The latter, when in the non-erect 
condition, appears to consist (as in the allied genera) of little more 
than the bone, covered by a delicate lax integument. ‘The orifice of 
the urethra is rather large, and has a prolonged bilobed inferior lip. 
The os penis (fig. 10) is 9" long, curved, with the convexity down- 
wards or towards the urethra, slender but thicker behind than in 
