98 



FEEDING EXPERIMENTS WITH ISOLATED FOOD-SUBSTANCES. 



Chart XXXVII. 



Chart XXXVII (rat 65, female) shows stunting for 33 

 days during early life, followed by normal growth and preg- 

 nancy on mixed food. In addition to the typical growth 

 during 317 days, the curve emphasizes the unaltered "ca- 

 pacity to grow " after stunting by improper diet. The diet 

 during period 1 was as shown herewith. 



p. a. 



Casein 12.0 



Zein 6.0 



Starch 2Q.5 



Sugar 15.0 



Agar 50 



Salt mixture I. 2.5 



Lard 300 



