16 BULLETIN 689^ U, S. DEPARTMENT OF AGRICULTURE. 



Several females never laid eggs. One of these issued on July 22 

 and lived until October 30, part of the time in company with a male. 

 No eggs were found in the ovaries at death. On the other hand, 

 some females that laid eggs had well-formed eggs in the ovaries at 

 death. Seventy-seven eggs were found in the ovaries of the female 

 of Pair L after three clusters, containing 240 eggs in all, had been 

 deposited. 



^¥hile one female deposited a cluster of eggs 19 days after becorning 

 adult, the average length of this period was nearly four weeks. 



