38 THE CANADIAN ENTOMOLOGIST 



have Manitoba males which belong to neither extreme, but have 

 the centrally pale subhyaline secondaries of typical volubilis. 



I have a Kaslo male exactly like those from Laggan. Other 

 Kaslo specimens have vinous red shades contrasting with a pale, 

 sometimes almost violaceous grey ground, like typical vancouver- 

 ensis from Vancouver Island. But study of a long Kaslo series 

 has left me in serious doubt as to whether Vancouver ensis and 

 volubilis are really distinct. A somewhat intermediate form is that 

 named semiclarata by Grote, of which the type is from Washington 

 Territory. I have compared a Kaslo male with it, and found it to 

 match exactly. A Corvallis, Oregon specimen, perhaps a trifle 

 nearer to typical vancoiwere^uis than is semiclarata, I have com- 

 pared with Strecker's three female types of atha from " Seattle, 

 Washington, and believe it to be the same. 



As a rule a good point of distinction between vancoiwerensis 

 and volubilis is in the subterminal line. In the former this is more 

 or less distinct, crenulate, with a fairly well marked and not very 

 deep W. In volubilis it is often lacking, or when faintly indicated 

 is sharply dentate, with a W reaching clear to the margin. But 

 this character does not always hold, and where colour characters 

 fail, as is so often the case in the material from the mountain 

 districts inland, a positive reference to either vancouvcrensis or 

 volubilis is not always possible. Dr. Dyar apparently met with this 

 difficulty when, in the Kootenai List, after recording the capture 

 of seventy-five specimens of Vancouver en sis, he follows them up 

 with only one of volubilis, adding: "This seems to me only an 

 extreme form of vancouvcrensis .'' (Proc. U. S. Nat. Mus., XXVII, 

 p. 832, 1904). I should add that I have examined other Kaslo 

 material of this group besides that in my own collection. 



627. Porosagrotis orthogonia Morr. var. delorata Smith. 

 The North-western Canadian form of orthogonia was described as 

 a species as delorata by Smith in Journ. N. Y. Ent. Soc, XVI, p. 87, 

 June, 1908, from a single male taken at High River by Mr. Baird. 

 Mrs. Nicholl had taken a male which. stands in the British Museum 

 collection labelled "B. C. prairie 1. IX. 07," though the specimen is 

 recorded by Sir George Hampson, under orthogonia, in Can. Ent. 

 XL, p. 102, March, 1908, as from "Alberta prairie." P>om the 

 date, and knowledge of Mrs. Nicholl's movements, I should judge 



