734 GEOLOGICAL SUEVEY OF THE TERlilTOEIES. 



than others. Abdomen regularly oval, but little broader than long, 

 with the usual triangular pale horny pieces on each side of segments, 

 with a few long hairs, especially toward end of body. 

 Length, .09 inch. Four specimens. 



Lives on Si/rniumnehulosum, ( $ No. 55, private collection.) Collected 

 November 24, 1873, at Locust Grove, New York, by C. H. Merriam. 



Of the species figured by Denny, it approaches nearest in the form 

 and shape of the head to I), testudinarms, (Children,) Back's Narrative, 

 &c. It is allied in form to B. ostralegi Denny, but the prothorax is 

 shorter ; and to I), icterodes Nitzsch but the head is much broader. From 

 D. communis Nitzsch, it differs considerably, the head being shorter and 

 broader, and the trabeculae much smaller, judging from Denny's figures. 



