556 VITALITY AND EFFICIENCY WITH RESTRICTED DIET. 



those for the 9 days, mostly because they include the uncontrolled 

 Sundays, which were the farthest possible removed from the psycho- 

 logical sessions. 



The individual energy values in table 146 are lowest on November 10. 

 This general average of 1,390 calories is higher, however, on account of 

 the standard evening meal than the energy for the two preceding days, 

 November 8 and 9. The reverse will be found true if a like comparison 

 is made for December 19. Thus the constant factor of the standard 

 meals taken before the psychological tests minimizes the fluctuations 

 and tends to place all the psychological results on a more comparable 

 and uniform level. 



Table 146. — Net available calories 'per man on those days when the memhers of Squad A cam 

 to Boston and had evening psychological tests. 



^ This average does not include Kon, Spe and Fre. 



2 Assumed from average calories for normal period Oct. 1-4. 



* For above nine days during reduced-diet period. 



* For whole reduced-diet period exclusive of Thanksgiving and Christmas vacations. 



