20 



FEEDING EXPERIMENTS WITH ISOLATED FOOD SUBSTANCES. 



Rat 14 lived 200 days without marked change in weight (losing 

 less than 10 per cent); rat 18 (still on the same diet after 322 days 

 at the time of writing) weighs very nearly as much as at the begin- 

 ning of the hempseed feeding. 



Table IV. 



-Summary of Data on Rat 14 fed on Hempseed-Starch-Lard Diet for 

 207 Days. Daily Averages. 



Period I. 



