no 



FEEDING EXPERIMENTS WITH ISOLATED FOOD-SUBSTANCES. 



Chart LXVI. 



140 



120 



100 



60 



60 

 E 



Edestin food- 



-k 



- died; 

 cause 

 Ldestin food + normal faeces- 4 unknown 



20 



40 



60 



80 

 Days 



100 



120 



140 



160 



Charts I/XVI (rat 169, male) and I^XVII (rat a p. a. 



190, male) show maintenance on a diet in which starch";.'.'.'.'.'.'.'.'. 2^5 to 32^ 



edestin formed the sole protein. The influence of v ^ u ^ r x s-o 170 



faeces of normally fed animals in preventing de- salt mixture, 1..'. 2.5 ...'. 



cline in body- weight for some time is shown during Lar ' ' 

 period 2. The faeces were obtained from rats temporarily introduced 

 into the cage each day. The diet is given above. 



Chart LXVII. 



60 80 



Day 5 



