LIFE HISTORY OF CARPENTER ANT. 



183 



establish new colonies. Hence we may safely regard these as 

 colonies of one season's development, or one year old colonies. 



Table I. 



Small Colonies of C. pennsylvanicus. 



For the remaining years of the life of a colony we shall have 

 to depend on my second method, and this will give unsatis- 

 factory results, especially because of the limited number of data 

 which I have been able to collect. These data are presented in 

 Tables III. and IV. 



In addition to these data I have the following miscellaneous 

 notes : 



