208 



D. D. WHITNEY. 



TABLE III. 



Showing number of female- and male-producers in a parallel series of 345 gen- 

 erations in the three races A , B, and C. Generations 1-56 show the detailed results 

 when the three races were fed upon concentrated uncooked food media and gen- 

 erations 57-345 show the detailed results when the same three races were fed 

 upon concentrated cooked media. 



