26 FEEDING EXPERIMENTS WITH ISOLATED FOOD SUBSTANCES. 



180 



Days 



Chart VII. Rat xxix fed on Dog Biscuit- Lard Diet for 103 days. 



Rats 10, 11, and 12 were first fed on the dog biscuit-lard mixture 

 and later on one containing desiccated milk. The composition of 

 their food is shown in table VIII. 



