576 VICTOR E. SHELFORD 
North America) nor in the cotton wood or true coniferous forests. 
It is abundant in and about the white-oak, red-oak hickory forest 
(figs. 15 and 16). 
Climatic conditions influence the relations of this species to 
different types of forests, e.g., in eastern Tennessee they are found 
in much more xerophytice forests than in the vicinity of Chicago 
where the rainfall is appreciably less. 
EXPLANATION OF FIGURES 
15 General view in east Tennessee. 
16. An open place in the oak and hickory forest of the mountain side, a typical 
C. sexguttata habitat. The individuals were seen copulating on the log in the 
foreground. 
