Fisher — The Effect of Diet on Endurance. 



1st 

 Period 



2iid 

 Period 



Remembering that a "portion " is 100 calories, we see that, dui'ing 

 the first four weeks, the men consumed an average of from 2760 to 

 3030 calories per da}^, of which 120 to 240 were in the flesh foods, 

 such as meats, jioultry, fish and shell-fish, and that 2.4 to 2.7 calories 

 of proteid were ingested for each pound of body-weight. Trans- 

 lating Professor Chittenden's figures for the physiological require- 

 ment of ingested proteid, we find it to be from 1.3 to 1.7 calories per 

 pound of body-weight. Thus the men were at this time consuming 

 nearly double the Chittenden allowance. During the last four weeks 

 of the experiment all these magnitudes were lower. The per capita 

 calories ranged from 2220 to 2620, of which only 40 were in flesh 

 foods, and the proteid had fallen to 1.4 to 1.9 calories per pound of 

 body-weight, which corresponds closely to the Chittenden standai'd. 



Table II was constructed from the following three tables giving 

 separate data for the individual experimenters. 



' This column is calculated throughout on the basis of the body-weights on 

 Jan. 14. 



-Except E., M. and P. 



3 Except E. The last two days of the Easter recess, Apr. 18, 19, are omitted 

 in tables II, III, IV, V. 



