CATALOGUE OF INSECTS. 435 



Family B£LOSTOMATIDiE. 



ZATTHA, Am. et Serv. 

 Z. fluminea, Say. 



Z. aurantiacum, Leidy. 



BELOSTOMA, Auct. 

 B. americanum, Leidy. 



Caldwell, common — Crane. 



BENACUS, Stal. 

 B. griseus, Say. 



Family NEPIDiE. 



NEPA, Fabr. 



N. apiculata, Uhl. 



Caldwell, common — Crane. 



RANATRA, Fabr. 

 R. fusca, Pal. Beau v. 



Caldwell, common — Crane. 



Family NOTONECTIDiE. 



NOTONECTA, Linn. 



N. insulata, Kirby. 



N. undulata, Say. 



Caldwell, not common — Crane. 

 N. irrorata, Uhl. 

 N. punctata, Fieb. 



