. Carnegie Institution of Washington publication. 610 VITALITY AND EFFICIENCY WITH RESTRICTED DIET. Squad A Sqaad B with continuous improvement. The wide and opposed variations in the thresholds shown by the two squads at their first measurements cannot be satisfactorily explained. In the case of Squad B, the rise in the threshold, shown on November 17, is of course partly due to the records for Har, How, and Lon, as shown in table 176. However, the average threshold does not improve on December 15, but is, in fact, slightly higher on this date, for some of the subjects, particularly Sne, show
. Carnegie Institution of Washington publication. 610 VITALITY AND EFFICIENCY WITH RESTRICTED DIET. Squad A Sqaad B with continuous improvement. The wide and opposed variations in the thresholds shown by the two squads at their first measurements cannot be satisfactorily explained. In the case of Squad B, the rise in the threshold, shown on November 17, is of course partly due to the records for Har, How, and Lon, as shown in table 176. However, the average threshold does not improve on December 15, but is, in fact, slightly higher on this date, for some of the subjects, particularly Sne, show an increase. Considering Squad B's successive averages for November 17, December 15, January 5, and January 13, it seems very probable that the average threshold for November 3, the first time this measurement was taken, is very low for some chance reason which is not revealed. This conclusion seems further justifiable in view of the fact that this thresh- old for Squad B, as was pointed out earlier, is below the average for the normal group of 1917. With Squad A the first average threshold is very high, and indeed, by present stand- ards, seems abnor- mally high. It is of course associated with food reduction, although on this particular date (October 13) the subjects received an average of 1,993 net calories per man, an amount which was 250 calories above the average for the 9 days during the low-diet period on which the subjects of Squad A came to Boston. An examination of table 175 for Squad A would indicate that this high threshold for October 13 is due principally to the subjects Pea, Can, and Bro. The first designated subject was poor in threshold measurements, as will be seen by examining his record for the elec- trical threshold. Can commonly wore glasses and apparently found some difficulty in adjusting himself to taking the test without them. No explanation can be given for the relatively high threshold of Bro, who later in the series showed very consistent results
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