630 VITALITY AND EFFICIENCY WITH RESTRICTED DIET. 



did 12 of the aviators at their first attempt. (See table 186.) Squad 

 B, table 188, in their first trial had approximately the same range as 

 Squad A, that is, from 128 to 526 seconds. One man, How, after 1,410 

 seconds, was unable to complete tlie test and there was no time for 

 further trial. The average for the initial test of Squad B on October 

 6, excluding How, who did not succeed, and Mac,^ is 208 seconds, that 

 is, somewhat lower than what would normally be expected. 



^ These averages do not include McM, Kim, Mac, and Sch. 



* Not in the average. 



* Number of starts not recorded on first day. 



It is unnecessary to discuss the individual values, i^-side from some 

 irregularities nearly all the subjects show a rather consistent reduction 

 in time required for the task from experiment to experiment. In the 

 nature of the case, it could not be expected that the normal average 

 and the low-diet average of Squad B would be directly comparable. 

 The average values for both squads are plotted in figure 122. It is 

 noteworthy that the two curves are nearly at the same level and fol- 

 low the same general course; they may reasonably be regarded as 

 normal practice curves. Squad B was somewhat handicapped by the 

 longer interval between their first and second experiments, that is, 



' The latter is excluded because his records are not complete for the food reduction period. 



