THE CANADIAN ENTOMOLOGIST. 329 



Alloperla imbecilla, Say. — Port Renfrew, B. C, 3rd July; Glacier, 

 B. C, 20th July and 21st August ; Bear Lake, B. C, 20th July (Currie) ; 

 Ainsworth, i ith July (Currie). 



Alloperla pacifica, Banks. — Port Renfrew, B. C, 3rd July. 



Alloperla borealis. Banks. — Port Renfrew, 29th June ; Banff, Alta., 

 17th June ; Laggan, Alta., 22nd July and 23rd August. 



Tcefiiopieryx pacifica, Banks. — Banff, Alta., 17th June; Kaslo, B. C, 

 iSih June (Currie). 



Tcsniopteryx occidentalism Banks. — Kaslo, B. C, i8th June (Currie). 

 One specimen, the second I have seen. 



Nemoura cinctipes, Banks. — Port Renfrew, 3rd July ; Coldstream, 

 B. C. (E. A. Anderson); Wellington, B. C, 29th February (Taylor); 

 Laggan, Alta., 23rd July; Kaslo, B. C, i8th, 30th June, i6th August 

 (Currie, Caudell). 



Netfioura depressa, Banks — Laggan, Alta., 21st August ; Bear Lake, 

 B. C, 20th July (Currie). 



Perlomyia collaris, Banks. — Wellington, B. C, 26th April (Taylor). 



Arsapnia grandis, n. sp. — Black ; antenn?e brownish; legs brownish; 

 wings brownish, sometimes darker on the anastomosis ; venation dark 

 brown. Posterior ocelli about twice as far apart as from the eyes ; 

 pronotum about as long as broad, narrowed behind, slightly rugose each 

 side; abdomen elongate, setas nearly as long as the abdomen, their joints 

 (beyond basal ones) very long and slender ; hind tibiae scarcely reaching 

 to tip of abdomen. Wings large and elongate, three to seven costal 

 cross-veins, also one beyond end of subcosta, apical cells longer than 

 discal cell ; in the median and cubital areas there is but one cross-vein, 

 which is continuous. 



Expanse, 22-26 mm. 



Specimens from Wellington, February; Vancouver, April; and Banff, 

 Alberta, 17th June. 



Arsapnia decepta, Banks.— Banff, Alta,, 17th June. 



Leuctra occidetitalis, n. sp. — Black ; antennte brownish ; legs pale 

 brown ; dorsum of abdomen reddish ; wings smoky, veins brown, costal 

 area at extreme base brown. Head with some fine white hairs ; 

 pronotum broader than long, rather narrowed behind, its surface slightly 

 rugose, with a broad median depression containing a median ridge. 

 Wings rather short and broad, the radial sector forks before the upper 



