702 MALE ORGANS OF GENERATION. 



and the generative apparatus of the male is almost constantly in a state 

 of full development. It is excited to action at particular periods, ap- 

 parently by some influence derived from the condition of the female. 



In quadrupeds and in the human species, the contact of the sperm 

 with the egg, and the fecundation of the latter, take place in the gene- 

 rative passages of the female ; either in the uterus, the Fallopian tubes, 

 or upon the surface of the ovary; in each of which situations the sper- 

 matozoa have been found, after the accomplishment of sexual inter- 

 course. 



