555 



In general terms there is a gain in endurance corresponding \o 

 the time of fasting. One of the beetles in Lot 2 died January 18. 

 January 12, five females were taken from a cage containing about sixty 

 beetles which had been kept since November with plenty of food. 

 While they appeared lively they were fatigued in fourteen minutes. 

 They were tried on different days but some one of them would usually 

 give out in six or eight minutes. After a fast of fourteen days their 

 average was eighteen minutes and after sixteen days they were fatigued 

 in twelve minutes. Under the conditions it seems hardly probable 

 that they had become accustomed to confinement. Would it not seem 

 that nervousness attending the unusual conditions of confinement had 

 interfered with their life processes and prevented the usual storage of 

 energy producing material? Within limits it seems that the longer 

 they fast the greater is, their power of endurance! Do they prepare 

 for winter bv storins tissue that is available for miscratins: Durnoses in 



