THE EXTERNAL ORGANS. 129 



condition named hypospadias is produced. In the meantime the prepuce is formed, 

 and, moreover, the lateral cutaneous folds also unite from behind forwards, along the 

 middle line or raphe, and thus complete the scrotum, into which the testicles descend' 

 in the course of the eighth month of foetal life, as before described. 



The corpora cavernosa, which are at first separate, become united in their distal 

 portions in both sexes ; but the corpus spongiosum urethrse which is also originally 

 divided in all embryoes, and in the female remains so in the greater part of its 

 extent, becomes enlarged in the male in the glans penis, and its two parts become 

 united mesially both above and below the urethra, so as to enclose the whole of that 

 tube from the bulb forwards to the glans. 



The following Table and Diagrams exhibit the corresponding parts of the 

 urmo-generative organs in the two sexes : 



VOL. I. 



