for them, from thei 

 binary division of 1 



Geddes and Thompson's Katabolit 

 Female.— In approaching a consi< 

 well for us to inquire into the eha 

 what determines sex. Let us plui 

 cussion of the theory winch seem; 

 gested. Geddes and Thompson i: 

 "Evolution of Sex" 2 strongly sup] 

 katabolic-anabolic theory of male a 



In the changes of protoplasm n 

 living, the upbuilding constructs 

 are known under the general term 

 tive descending series are known 

 Now male and female differ accor 

 and Thompson in their physiolog 

 fundamentally of an anabolic eha 

 character. According to this vie- 

 sonier. more active, etc., merely b< 



ruptive rlumgvs n-nuuig u. i-n'M.-iiMi.,,, 



in the living matter. The females, on t In 



profit, are more anabolic,— constructive p 



their life; whence indeed their capacity 



Haeckel in the introduction to his "Hi 



marks that the intrinsic value of an 1 



depends upon the number of phenomena 



application. Judging this theory of sex 



Wan Tieghem, Jornn. de Bot. (Morot), V. (1891) p 



2 Geddes and Thompson, ''Evolution of Sex," Lone 



