lo University of Michigan 



groves of willows and aspens, but on the uplands themselves 

 there is not a sign of tree or shrub to relieve the monotony. 

 Much of the region is now being dry-farmed, and the areas 

 of untouched upland are continually being encroached upon. 

 All of the collecting in this region was done during the last 

 week in August. Orthoptera were common on the upland 

 areas, but somewhat less so among the Bad Lands. 



List of Species'"' 

 Blattidae 

 Blattella gcrmanica (Linnaeus). — Fargo, Sept. 2, 1920. 5 

 females. 



This species was common in one of the hotels. 

 Nyctibora noctiiraga Rehn.' — Grand Forks, Grand Forks 

 County, Sept. 6. 1891 (A. H. Eastgate), i male. 

 Collected under a street light. Adventive. 



Mantidae 



Litaneutria skinncri Rehn? — Amidon, Aug. 24. 1920, i male; 

 Medora, July 31, 1920, i juvenile. 



The specimen from Amidon was taken in the edge of the 

 Bad Lands, on a dry, sun-scorched hillside covered with a 

 scanty growth of short grasses and other low plants. It was 

 so colored as to be almost invisible when motionless on the 

 ground among the brown grass tufts, and when it ran swiftly 

 about among the low, scattered plants one could scarcely fol- 

 low the shadow-like form with the eye. The nymph from 

 Medora was taken in a similar situation on the side of a butte 

 in the Bad Lands, among dry grasses and clumps of Artemisia. 



The specimens are both males. The adult from Amidou 



''• All determinations and systematic notes in the following list are 

 to be charged to the writer, unless otherwise noted. 

 " Determination verified by J. A. G. Rehn. 



