1 84 



JOHN L. PRICER. 



1. May 20, 1906, I caught a winged queen of C. Pennsylvani- 

 eus, crossing the sidewalk on the University campus. 



2. June 12, 1906, I came upon a hollow tree with a small 

 opening at the base. Around this opening were fifty or more 

 male ants of C. femigineus in a state of great excitement, and the 

 workers were dragging them back into the nest. 



Table II. 



Small Colonies of C. ferru^ineus. 



3. A friend told me of a colony of C. pennsylv aniens which in- 

 habited a sill of his[ house and threw large quantities of particles 

 of wood into his cellar. A large number of winged forms were 

 seen about the outer opening of the nest about the first of July, 

 and again about the middle of the same month. 



4. July 6, 1906, I chopped in pieces a small decayed ash log 

 and found a large colony of C. pennsylv aniens in it. Besides the 

 workers there were probably 150 males, a large number of larvae 

 of all sizes, and approximately 200 pupae, mostly of queens. 

 About 50 workers, 30 pupae, 20 larvae and 15 males were taken 

 and placed in a nest in the insectory. All the larvae died before 

 pupation, but seven queens and four workers emerged from the 

 pupae and lived through the winter in the nest. The queens 

 emerged on the following dates : 



July 25 1 July 28 1 August 5 1 



" 27 1 " 30 2 " 7 1 



