ARGYNNIS XIV. 



of the present year, (1871) in Colorado, viz, 15 c?, 6?, all of which are fresh and 

 in the best possible condition. With sufficient material therefore for conij^arison, 

 I am at a loss to see the resemblance between this species and Ar/laia. Indeed it 

 is not too nuich to say that they belong to dift'ereat sections of the genus. They 

 constantly differ in size, in the form of the wings, in color, and in the number, 

 size and shape of the silver spots. The form of the fore-wings is a distinguishing 

 characteristic between species of this genus, and so is the size and shajie of the sil- 

 ver spots, especially the sub-marginal sjjots of both wings. Dr. Eehr, in his j:)aper 

 on Californian Argynnides, Proc. Cal. Acad. Nat. 8ci. April 21, 1802, says "of great 

 importance for the diagnosis of these specimens is the shape of the marginal 

 lunula}." 



8o also does the presence or absence of a clear buft' or yellow band between 

 the two outer rows of silver spots constitute a highly important distinction, as is 

 strikingly exemplified in Cybdc and Aphrodite, for which I refer to the plates of 

 those species in this Volume. 



As to the sjiecies in question, in size, Edwardsii is at least from one third to 

 one half the larger in superficial area. As to shape of tore-wings, in the male 

 Aglaia, tliese are broad, stronf/Iy arched, not at all proditced apically and as nearly 

 as 230ssible straight on hind margin. In the female they are distinctly convex 

 on hind margin. 



In the male of Edwardsii, the fore-wings are remarkably long, narrow, much 

 proditced apically, slightly arched and distinctly concave on hind margin. In the 

 female the wings are shorter and broader than in the male, but the margin is 

 straight, not rounded. Mr. Reakirt says, "The wings of this species are rela- 

 tively more narrow and more elongated than in any member of this genus with 

 which I am acquainted." 



The margin of the hind wing in the female is not circalar as in both sexes of 

 Aglaia, but the wing is produced so tluit the outline is oval, and from the anal angle 

 to upper median nervule the margin is not carved, but straight. 



In Aglaia, I have seen no specimen with more than the faintest traces of 

 sub-marginal silver spots on under side of fore-wings — merely a few silver 

 scales — and none of sul)-apical silver spots. The figure of Esj)er represents no 

 such sj^ots and that of Humphreys rery small marginal lunular spots. West- 

 wood, in the description, makes no mention of them. On secondaries the spots 

 are S)nall; the third row from the margin consists of three only, and of these 

 the middle one is truncated, stopj)ing at the arc; the spots of the second row 

 are small and rounded and the sub-marginal are small, narrow, and lunate. 



In Edwardsii, on the fore-wings are seven conspicuous submarffinul silver 

 iriangles and three sub-apical spots, ten in all; besides these, in fresh specimens, 

 two or three of the rounded black spots in the mesial row are always more or less 

 silvered. On secondaries are 24 distinct spots. The third row contains five, the 

 middle one of which is very large, suh-pyriform, cut by the arc; of the second 

 row, six are large, nearly equal in size, sub-ovate; the submarginal are large 

 and triangular. In the female all these spots are found, but they are still more 

 consiMcuous, and the submarginal especially so. 



