NATHAN BANKS. 15 



ferruginea Walk., B. M. Cat. Neur. 183, 1852 (Nemoura) ; Hagen, Syn. Neur. 



X. A., 37, 1861. N. S. 



grandis Banks, Qm. Ent. 1906, 338. N. Car. 

 tenella Prov., Pet. Faun. Can. Neur. 80, 1883. Can. 



tenuis Pictet, Perlides, 375, 1841 (Nemoura) ; Hagen, Syn. Neur. N. A. 37, 

 1861. N. S. 



C4PNIA. 



Pictet, Perlides, 320, 1841. 

 minima Newp., Trans. Linn. Soc. Lond. xx, 450, 1851 (Perla) ; Hag., Neur. N. 



Am. 33, 1861 ; Prov., Petite Faun. Can. Neur. 76, 1883. N. S. 

 necydaloides Pict, Perlides, 326, 1841; Hagen, Neur. N. Am. 32, 1861; Prov. 



Petite Faun. Can. Neur. 76, 1883. E. S. 

 pygmsea Burm., Handb. II. 874, 1839 (Semblis) ; Pict., Perlides, 324, 1841. 



Hag., Neur. N. A. 32, 1861. N. S. 

 nivicola Fitch, Wint. Ins. N. Y. 274, 1847. 

 vernalis Newp., Trans. Linn. Soc. Lond. xx, 451, 1851; Hag., Neur. N. A. 33, 



1861. Can. 

 tenuis Walk., B. M. Cat. 182, 1851 (nee Pict.). 



CAPNURA. 



Banks, Trans. Am. Ent. Soc. xxvi. 245, 1900. 

 venosa Banks, Trans. Am. Ent. Soc. xxvi, 245, 1900. Wash. 



ARSAPNIA. 



Banks, Trans. Amer. Ent. .Soc. xxiv, 22, 1897. 

 decepta Banks, Trans. Amer. Ent. Soc. xxiv, 22, 1897. Colo. 



Suborder ANISOPTERA Laporte. 



EPHEMERID.E. 

 CAMPSURUS. 



Eaton. Ent. Mo. Mag. v, 83, 1868. 



decoloratus Hagen, Syn. Nenr. N. A. 43, 1861. Eaton, Kiv. Monog. 41, 1883. 

 Texas. 



POLYMITARCYS. 



Eaton, Ent. Mo. Mag. v, 84, 1868. 



albus Say, West. Quart. Eept. ii, 305, 1824. LeConte Edit, i, 204, 1859. Hag., 

 Syn. Neur. N. A. 40, 1861. Eaton, Riv. Monog. 47, 1883. Howard, 

 Bull. No. 86, N. Y. State Mus. 60, 1905. U. S. 



leukon Williamson, Trans. Amer.Philos. Soc. Phil, v, 71, 1802 (Ephoron). 

 puelJa Pict., Hist. Nat. Neuropt. II, 145, 1845. 



HEXAGENIA. 



Walsh, Proc. Ent. Soc. Phil. II, 197, 1863. 



bilineata Say, West. Quart. Eept. ii, 303, 1824 (Bsetis). LeCoute Edit, i, 203, 

 1859. Walsh, Proc. Acad. Nat. Sci. Phil. 1862, 373. Eaton, Riv. 

 Monog. 50, 1883. U. S. 



limbata Serv., Guerin, Iconog. Reg. Anim. iii, 384, 1844. Rambur, Hist. 

 Nat. Neuropt. 295, 1842. Hagen, Syn. Neur. N. A. 41, 1861. 



