UHLER ON HEMIPTERA OF DAKOTA AND MONTANA. 509 



NOTONECTID^. 



NoTONECTA, Liun. 



39. Notonecta insulata. 



Notonecta insulata, Kirby, Fauna Bor.-Amer. iv, p. 285, No. 399. 

 Collected in the Milk Eiver region. 



40. Nofonecta undulata. 



Notonecta undulata, Say, Heteropfc. p. 39, No. 1, 



Also collected in the Milk Eiver region. 



CORISIDJE. 



CoRiSA, Geoff. 

 41. Corisa sutilis. 



Corixa sutilis, Uhler, Bulletin of U. S. Geog. Survey of the Territories, vol. ii, 

 No. 5, p. 73, No. 1. 



Inhabits standing water in the Milk Eiver region. 



42. Corisa intermpta. 



Corixa internipta, Say, Journ. Acad. Philad. vol. iv, p. 328, No. 1. 

 Obtained in the vicinity of the Milk Eiver, Montana. 



43. Corisa 'Vulnerata. 



Corixa vulnerata, Uiiler, Proc. Acad. Nat. Sci. Philad. 1861, p. 284. 

 Also from the Milk Eiver region. 



HOMOPTEPvA. 



MEMBRACID^. 



Ceresa, Fairm. 



44. Ceresa hiibalus. 



Menibracis Mlalus, Fab. Ent. Syst. vol. iv, p. 14. 



From Pembina, from the Milk Eiver region, and from near Mouse 

 Eiver. 



45. Ceresa diceros. 



Memlrads diceros, Say, Long's Esped. Appendix, p. 299. 



From the Mouse Eiver region, August 17. 



STICTOCEPHiLA, Stfll. 



46. Stictocephala inermis. 



Menibracis inermis, Fab. Ent. Syst. vol. iv, No. 15. 



Found near Pembina, at Turtle Mount, July 24, and near Mouse Eiver, 

 August 17-29. 



