the genus Gineis. 481 
42 (37). Wings subdiaphanous, grey-brown or 
smoke-brown; scaling very sparse. 
43 (46). Upper fringe of palpi white or whitish. 
Hind tibiz of female simple. 
44 (45). Hind wing below with the inner edge of 
the dark band undefined. Clasp (fig. 5) 
not curved inwardly at the apex, which 
is bluntly rounded, and, together with 
the upper edge nearly or quite to the 
middle, bears unequal and eeu 
large teeth oc . semidea, Say.* 
5 (44). Hind wing below with the inner eae of 
the dark band sharply defined. ae 
of the subhyalina type .. . brucei, W. H. Edw. 
46 (43). Upper fringe of palpi black or fines. 
Female with the hind tibiw thickened 
and curved inwards at the apex, and the 
basal joint of the hind tarsi dilated and 
laterally compressed 3e sc .. beanii, n.s. 
EXPLANATION OF PuaTE XY. 
Fia. 1. Clasp of @. whleri. 
Oh, . », alberta. 
3 3 5 chryxus. 
4 A » Sulla. 
5 A 3, semidea. 
6 " » subhyalina. 
We ce » hora. 
8. 9 » vbeani. 
9 i », semidea (Colorado form). 
10. bore. 
te Hind tibia and tarsus of @. beanit, ?. 
12. . 56 . 3,  semidea, 2. 
13. Clasp of GZ. norna. 
* Specimens of semidea from Colorado differ from the typical form in 
the decidedly reddish ochreous tinge of the under side, the presence of a 
small feeble ocellus in cell 5 or cells 2 and 5; and in the two specimens 
examined the teeth of the clasp (fig. 9) are larger and fewer. 
