UHLEE ON HEMIPTEEA OF DAKOTA AND MONTANA. 511 

 Subfamily JASSINA. 



Jassus, Auctor. 



55. Jassus irroratns. 



Jassus irroratus, Say, Journ. Acad. Philad. vol. vi, p. 308, No. 7. 



Collected in the viciaity of Pembiaa, June 19. 



56. Jassus unicolor. 



Bjjihoscopus unicolor, Fitch, Cat. N. Y. State Cabinet, p. 58, No. 2. 

 Obtaiued at Turtle Mount, July 24, and at Pembina in June. 



57. Jassus iwiningi, n. sp. 



Yellow or greenish, moderately robust, form similar to that of J. irro- 

 ratus, Say, with the head not angular in front, but regularly lunate and 

 sharp-edged, with the cranium flat, bright yellow. Face and beneath 

 pale testaceous, or clear yellow. Pronotuni pale russet-brown, with a 

 medial straight line, two oblique lines, and a spot each side posteriorly 

 bluish; at the anterior and outer angles a yellow spot, which runs down 

 on the side. Scutellum pale on the disk, tinged with orange each side 

 of tip, and with a larger spot at each basal angle. Hemelytra pale 

 ochreous, tinged with russet, with white spots in the cells of the cla vus 

 and in some of those near the tip of the corium ; the apex with a brown 

 cloud; an oblique, brown band runs outwards and forwards from the 

 tip of the clavus, but stops before reaching the costal margin ; apex of 

 the clavus dark brown, with the extreme tip minutely white; nervures 

 pale, some of the cross-nervules of the costal margin, particularly at 

 tip, terminating in a minute black dot, the ante-apical cross-nervule of 

 the valvular portion of the tip dark brown. Legs pale testaceous^ 

 Abdomen chrome-yellow, with the incisures black. 



Length to tip of venter o™"" ; width of pronotum 2™™. 



Only females have been examined. 



The wing-covers are a little longer than the abdomen, and slightly 

 valvular at tip on the inner side. 



Obtained at Turtle Mount, July 24, and at Pembina in June. 



Named in honor of Major W. J. Twining, Corps of Engineers, U. S. A. 



Two other species of Jassus are in the lot from Pembina, but they are 

 too much altered to admit of description. 



Deltocephalus, Burm. 



58. DeltoeepJialus sayi. 



Amblycephalus sayii, Fitch, Catal, N. Y. State Cabinet, p. 61, No. 2. 

 Collected in the vicinity of Pembina. 



59. Deltocephalus configuratus^ n. sp. 



Kobust, pale yellowish-testaceous, polished, inscribed with brown, 

 white and black. Face faintly brownish each side, with a series of grad- 

 uated, wavy, transverse lines each side of front, and on the middle is a 



