HOW GLANDS INFLUENCE THE NORMAL BODY 131 



as regards the primary reproductive organs, their size and shape, 

 and the character of their implantation, malformations and anom- 

 alies, as well as the physical and mental traits lumped as the 

 secondary sexual, puberty, maturity, and senility, voice changes 

 and erotic trends, virility and femininity, the internal secretions 

 are dictators at every step. So significant are these, that even 

 a rough summary of the discoveries and the outlook in the field 

 involves some consideration of the details. 



