22 Rev. A. E. Eaton’s Monograph 
Canis (continued). 
[nigra, Hag. MS., Walsh, Proc. Ent. Soc. Philad. ii. 179; not described. } 
oophora, Pict. Ephem. 284, pl. xlv. 4; Walk. Cat. 582; 92 im. 
pennata, ! Ste. Ill. vi.61; Pict. Ephem. 286; Walk. Cat.588=dimidiata, ? . 
perpusilla, ! Walk. Cat. 585; Hag. Ceyl. Syn. 477; ¢ im. 
sinensis, ! Walk. Cat. 584=Cloeon russulum, & im. 
varicauda, (Say. 1817, pl. ii. 6, 7), Pict. Ephem. 281, pl. xliii.5; Walk. 
Cat. 581=Tricorythus, g im. ¢. 
Ill. Camrsurus, Etn. 1868; in Ephemera, Perch.; Palingenia, auct. 
Typ. C. latipennis. 
albicans, Perch. ; in Ephemera, Perch.; Palingenia, Pict.; ¢ im. 
albifilum, ! Walk. ; in Palingenia, Walk.; g im. 
curtus, ! Htn. Ent. Mo. Mag. vy. 84 [not described] =Asthenopus, g im. 
cuspidatus, ! nov. sp., ¢ im. 
latipennis, ! Walk.; in Palingenia, Walk.; g im. 
? puella, Pict.; in Palingenia, Pict.; 9 im. 
quadridentatus, ! noy. sp., ¢ im. 
XIX. Crntrroptinum, EHtn. 1869; Baetis (A), Hin. 1868. Typ. C. lu- 
teolum. 
lituratwm, Pict. ; in Cloe, Pict.; Cloeon, Walk. 
luteolum, Miil.; in Ephemera, Miil.; Baetis, Etn. 1868; !Etn. Ent. Mo. 
Mag. vi. 132. 
pennulatum, |! Etn. Trans. Ent. Soc. 1870, p. 2. 
stenopteryx, ! nov. sp. 
Cuuoron, Lubbock (1863)=Cloeon, Leach (1815). 
dimidiatum, Lub. Trans. Lin. Soc. xxiv. 61-7, pls. xvii-xviii; id. xxv. 
477-95, pl. lviii-lix. 18 = Cloeon russulum. 
dipterum, Lub. lib. cit. xxv. pl. lix. 19-21=Cloeon dipterum. 
Croz, Burm. (1839)=Baetis & Cloeon, Leach, 1815, & Centroptilum, 
Etn. 1869. 
affinmis, ! Ramb. Nevr. 298=Cloeon dipterum, im. 
albipennis, ! Ste. in Cloeon; Pict. Ephem. 271—=Centroptitum luteolum, g im. 
alpina, Pict. Ephem. 257, pl. xl. 5=Baetis, g im. 
auliciformis, ! Ronalds, v. No. 25 [misprint for culiciformis] =Baetis, 
[sp. indeterminable] . 
autumnalis, Curt. in Cloeon; Pict. Ephem. 270; vide Baetis. 
bioculata, Lin., in Hphemera, L.; Pict. Ephem. 244, pl. xxxiv-v.; Hag. 
Am. Syn. 52 (teste Walk., sed vide Walk. Cat. 572), Stet. Ent. 
Zeit. xxvi. 229; Oul. 1867, p. 28= Baetis binoculatus. 
brunnea, ! Ramb. Nevr. 298; Walk. Cat. 577, var. ? halterata; Hd. Pict. 
Neyr. d’Esp. 26= Heptagenia lateralis, g subim. 
cingulata,! Ste. in Cloeon; Pict. Ephem. 271=Leptophlebia fusca, g im. 
cognata, | Ste. in Cloeon; Pict. Ephem. 272=Cloeon dipterum, 8 im. 
consueta, Hag. Ceyl. Syn. 477 ; incert. gen. (Gen. XXII). 
culiciformis, Lin., in Ephemera, L.; Pict. Ephem. 270; Hag. Am. Syn. 
54= Baetis, sp. dub. 
dimidiata, Curt. in Cloeon; Pict. Ephem. 272=Cloeon russulum. 
