Kno\vledge on regulation and stimulation of normal body 

 gio^vth by pieh)po]jhysial hormones \vill forever l)e boiuid 

 with the name of H. M. Evans. I have thought that a good 

 way to express my sincere appreciation for the tremendous 

 work done by Evans and his school in this field would be to 

 sho\v how atypical or tumoral growth may depend upon 

 ovarian hormones and indirectly also upon those of the 

 anterior lobe of the hypophysis. 



