CHARTS AND THEIR EXPLANATIONS. 



137 

 Chart CXXVIII. 



260 



240 



220 



200 



180 



'160 



HO 



120 



100 



80 



60 



40 



20 40 60 80 100 120 140 IbO 180 200 220 240 260 



Days 



Chart CXXVIII (rat 146, male) shows the failure Period 2. 



of a well-nourished rat (see period 1) to be maintained zein 1I.0 



on a diet containing protein-free milk and zein as the sole f^"" 1 " 6 milk ' 238 



protein. It should be noted that precisely similar mix- Agar 



tures in which zein was replaced by any of the other pro- m 

 teins studied, sufficed either to induce growth or at least to maintain body- 

 weight for an equally long period. Attention is directed to the continued 

 fall in weight despite the large food intake. The composition of the food 

 was mixed for period 1 ; for period 2 it was as shown herewith. 



