NATHAN BANKS. 1 1 



debilis Walk., B. M. Cat. Xeur. 569, 1853. Hagen, Syn. Neur. N. A. 46, 1861. 



Eaton, Eiv. Monog. 98, 1884. Nova Scotia. 

 gravastellus Eaton, Riv. Monog. 102, 1884. Mont, 

 gregalis Eaton, Riv. Monog. 98, 1884. Oreg. 



mollis Eaton, Trans. Ent. Soc. Lond. 1871, 88. Riv. Monog. 97, 1884. N. S. 

 nebulosus Walk., B. M. Cat. Neur. 554, 1853. Hagen, Syn. Neur. X. A. 52, 



1861. Eaton, Riv. Monog. 103, 1884. E. 8. 

 odonatua Walsh, Proc. Acad. Nat. Sci. Phil. 1862, 372. 

 pallipes Hagen, Ann. Rept. U. S. Geol. Surv. Terr. Ill, Zool. 582, 1875. Colo. 



memorial Eaton, Riv. Monog. 98, 1884. 

 praepedita Eaton, Riv. Monog. 99, 1884. Needham, Bull. No. 86, X. Y. State 



Mus. 49, 1905. Mass. 



rufivenosa Eaton, Riv. Monog. 99, 1884. Oreg., Cal. 

 vaciva Eaton, Riv. Monog. 97, 1884. Oreg. 



CHOROTERPES. 



Eaton, Ent. Mo. Mag. xvii, 194, 1881. 



basalis Banks, Trans. Amer. Ent. Soc. xxvi, p. 248, 1900. Needham, Bull. No. 



86, N. Y. State Mus. 38, 1905. N. S. 

 inornata Eaton, Biologia Cent.-Amer. Neur. p. 6, 1892. Ariz., N. Mex. 



HABROPHLEBIA. 



Eaton, Ent. Mo. Mag. xvii, 196, 1881. 

 americana Banks. Ent. News, 1903, p. 235. N. Jersey. 



EPHEMERELLA. 



Walsh, Proc. Acad. Nat. Sci. Phila. 1862, 377. 

 bispina Needham, Bull. No. 86, N. Y. State Mus. 43, 1905. Ind. 

 consimilis Walsh, Proc. Acad. Nat. Sci. Phil. 1862, 378. Eaton, Riv. Monog. 



130, 1884. 111. 

 excrucians Walsh, Proc. Acad. Nat. Sci. Phil. 1862, 377. Eaton, Riv. Monog. 



130, 1884. Needham, Bull. No. 47, N. Y. State Mus. 425, 1901. E. S. 

 fuscata Walk., B. M. Cat. Neur. 570, 1853. Hagen, Syn. Neur. N. A. 47, 1861. Can. 



walkeri Eaton, Riv. Monog. 129, 1884. 

 grandis Eaton, Riv. Monog. 128, 1884. Colo, 

 inermis Eaton, Riv. Monog. 127, 1884. Colo, 

 invaria Walk., B. M. Cat. Nenr. 568, 1853. Hagen, Syn. Neur. N. A. 48, 1861. 



Eaton, Riv. Monog. 129, 1884. Can. 

 unicornis Needham, Bull. No. 86, N. Y. State Mus. 45, 1905. Ind. 



CJBHIS, 



Stephens, 111. Brit. Ent. Mand. vi, 61, 1835. 



Brachycercun Curtis, Lond. and Edinb. Phil. Mag. (3), 1834, 122 (preoc.). 

 Oxycypha Burmeister, Handb. II, 796, 1839. 



allecta Needham, Bull. No. 86, N. Y. State Mus. 47, 1905. N. Y. 



diminuta Walk., B. M. Cat. Neur. 584, 1853. Hagen, Syn. Neur. N. Am. 55, 



1861. Eaton, Riv. Monog. 147, 1884. Needham, Bull. No. 47, N. Y. 



State Mus., 426, 1901. E. S. 

 arnica Hagen, Syn. Neur. N. A. 55. 1861. 



