The Bulletin 
93 
anything that even approximates the average number of eggs laid by 
a majority of the females. On the other hand, the adult females that 
lay only a few eggs might he females that matured early the previous 
summer and laid a portion of their eggs during the previous season. 
Figure 60. Adult dorsal view. X8. 
PROPORTION OF SEXES 
Of the 163 individuals that have been reared from egg to adult, 95 
individuals or slightly more than 58 per cent were females, while 68 
or a little less than 42 per cent were males. 
In the field the proportion of sexes seems to be more nearly equal. 
As a usual thing, active females are attended by males, and inactive 
beetles under stones, sticks, or clods of dirt are usually equally males 
and females. In July, 1912, this point was made a special point for 
investigation, and in all 627 individuals were counted and so marked 
