38 STATE BOARD OF AGRICULTURE. 



BAETISCA Walsh. 

 B. obesa Say. Caldwell, not rare (Cr). 



LEPTOPHLEBIA Westw. 

 L. mollis Eaton. New Hampshire to North Carolina. 

 L. prsepedita Eaton. Riverton V (Jn). 



EPHEMERELLA "Walsh. 

 E. excrucians Walsh. New Brunswick. 



BAETIS Leach. 

 B. unicolor Hagen. Washington, D. C. 

 B. flaveola Pict. Canada to Virginia. 



B. propinquus Walsh. Del. Water Gap, VII (Jn). 



CALLIBAETIS Eaton. 



C. americana Banks. Staten Island (Ds). 



C. ferruginea Walsh. Canada to Southern States. 



OLEON Leach. 

 C. vicinum Hagen. Caldwell, common (Cr). 

 C. undata Pict. New York to Cuba. 



C^NTS Steph. 

 O. diminutiva Wlk.=amica Hagen. New York to Florida. 

 O. hilaris Say. Riverton, VII (Jn). 



