216 



VITALITY AND EFFICIENCY WITH RESTRICTED DIET. 



than the one in which he had formerly been. Consequently we find a 

 rather consistent fall in the entire curve, with an almost inappreciable 

 increase after November 11, no change throughout the Thanksgiving 

 vacation, and a small rise during the Christmas holidays; the body- 

 weight found a level thereafter, which was not far from 61 kg. It is 

 evident, however, that at the conclusion of the test Mon decided to 



Kgs. 



Sept30 0ct.20 



Nov.9 Nov.29 Dec.l9 Jan£ Jan.Za Feb.17 



Fig. 62. — Body-weight curve of Mon. 



resume his original weight, for we have a marked post-diet increase 



which brought the weight not only to the initial level, but nearly 1.5 kg. 



above it. 



Body-weight curve of Mot (Fig. 63). 



From an initial weight of 63.5 kg., the weight of Moy fell rather 

 slowly in comparison with the other curves. It was found that the 

 diet was somewhat too large for a rapid reduction. The calories 

 were therefore restricted still further three successive times, this re- 

 striction finally bringing Moy^s weight just before Thanksgiving to a 

 level of 58 kg. With this subject, also, there was an increase after 

 the unrestricted meal of Sunday, November 11. In the month of 

 December his weight remained constant at not far from 57 kg.; there 

 was then a pronounced increase of 4.5 kg. during the Christmas holi- 

 days. When he returned to college a severe reduction was made in 

 the diet, which was followed by a rapid loss in weight, although with 

 considerable fluctuation. During the last two weeks of the experi- 

 ment the body-weight fluctuated around 58 kg. The post-diet rise is 

 especially interesting as showing an enormous increase, which is rela- 



