FEEDING EXPERIMENTS WITH ISOLATED FOOD SUBSTANCES. 



25 



180 



160 



140 



120 



50 



30 



0.05 - 



(0 



E 



(0 



L. 



o 



0.10 



20 



40 



60 80 



Days 



100 



120 



Chart VI. Rat xxvni fed on Dog Biscuit-Lard Diet for 105 days. 



Table VIII. Composition of the Food in Percentages. 



*"Trumilk" is a commercial milk powder. 



fThis was extracted in the laboratory once with 95 per cent alcohol, 

 once with absolute alcohol, and four times with ether. 



