THE CANADIAN ENTOMOLOGIST. l77 



my referring the matter to Prof. Smith, he says : " I doubt their identity. 

 I have been inclined to beheve, as you suggest, that the two are identical, 

 but have recently procured a couple of specimens of the Eastern form, 

 which make me believe that larissa can be held as sufiliciently distinct. 

 The trouble is that anguina is so very rare in collections that I have not 

 been able to get together a sufficient amount of material to give me its 

 range of variation." I sent the species to Sir George Hampson, who 

 reported: "■ = anguina, Grote ; like type." Anguina is recorded from 

 Colorado and Nebraska, as well as from some of the Eastern States. Dr. 

 Holland's figure of it is not clear enough to enable me to judge from. 

 The type of larissa is at Washington, 



319. M. pensilis, Grt. — Not common. Middle Jime to middle July. 

 I had the species standing as Hadena characta until quite recently, when 

 Sir George Hampson corrected the error, pointing out the hairy eyes. 

 He added : " They are not much like each other." In that case Dr. 

 Holland's figure of H. characta is really M. pensilis"^, as it is exactly like 

 the present species. If such is the case, it is probable that with this, as 

 also with Dodii, I am partly responsible for the error myself, having sup- 

 plied the specimens for many of Dr. Holland's figures under erroneous 

 names, by which I then knew them. From Dr. Dyar's remarks under this 

 species in his Kootenai list, there seems to be confusion of it with vicina. 

 Taking Holland's characta $ as pensilis $, his figure of zicina, ?, 

 which is like the species I hold as such named by Dr. Fletcher, gives 

 rather an exaggerated idea of the ordinary differences, the sexual 

 dimorphism being at least as strong as the true specific differences. A 

 pair sent me for naming by Mr. T. N. Willing, from Regina, seemed to 

 me a dark, even-coloured variety of the Calgary species I have as pensilis, 

 and I named it so with some doubt. Mr. Willing subsequently showed 

 me a similar $ from the same locality named vicina by Dr. Fletcher, and 

 after comparing Dr. Holland's figure, I let the name stand. I can match 

 Mr. Willing's $ by one kindly lent me for comparison by Mr. Criddle, 

 of Aweme, Man. '^ly pensilis is clearer gray, the maculation plainer, and 

 s. t. space slightly contrasting with central shade. In vicina this space is 

 scarcely paler. Of the two it is what I refer to as vicina which most 

 nearly resembles larissa. 



320. Neuronia Americana, Smith. — Very rare, as a rule, but was 

 rather common at light in 1S94. I believe none of the genus are treacle- 



*Dr. Dyar tells me that this is the case. 



