430 



ON INCREASE IN SIZE 



[PT. Ill 



Table 55. Instantaneous growth-rate {k). 

 Brody's figures. 



Brody himself did not omit to make suggestions as to possible cor- 

 relations between his abrupt breaks in growth-rate and other phe- 

 nomena known to be taking place during the embryonic development 

 of the chick. In the first place, he associated the breaks in the growth- 



