SCUTELLEROIDEA—DOUGLAS LAKE REGION 65 
Deep woods, swamps, sandy beaches, high rolling prairies with 
their respective types of flora—all are within one’s ability to 
investigate..... ” . 
It may be mentioned in passing, that coniferous trees are 
totally lacking in the vicinity of Okoboji, which lies just within 
' the lower boundary of the Transition Zone (Alleghanian), the 
Upper Austral (Carolinian) becoming evident only a few miles 
to the south. 
Genera Generacommon Species Species common 
inlist tobothplaces inlist to both places 
Douglas Lake Region 19 23 
14 17 
Lake Okoboji Region 19 29 
* Stoner, Dayton, The Pentatomoidea of the Lake Okoboji Region, Bull. 
Lab. Nat. Hist., 8. U. I., VII, No. 3, 1917, 39-47. 
