ADOP.EA.— ERTNXIS. 593 



lighter coloured than those of A. sylvatica, and there is a conspicuous sexual 

 brand on primaries similar to that oi A. thaumas. The females are exceedingly 

 like those of A. sylmtica, but the pale markings are more distinctly defined. 

 On the under surface both sexes are very similar to A. sylvatica, but the male 

 is distinguished by the sexual brand as above, and both sexes of this species 

 have the broAvnish patch towards outer angle of primaries much smaller, and 

 it does not extend to inner margin as in A. sylvatica. 



Occurs in the mountainous parts of Central Japan, in Yesso, and at 

 Gensan, in Corea. Dorries found it at Baranowka and in the district of 

 Sutschan. 



In AVestem China my collectors met with specimens at Wa-shan and 

 Ta-chien-lu, which only appear to differ from Japanese examples in being 

 slightly smaller (Plate XL. fig. 4, d' ) ; but at Chang-yang, Central China, a 

 remarkable form, for which I propose the varietal name astigmata^ occurs 

 (Plate XL. fig. 7, 6 ), in which the sexual brand of the male is entirely 

 wanting. In other respects this form does not differ from the type, except in 

 being rather more suffused with black. As I thought this insect might be 

 the male of a distinct species, I had the genital armature prepared and 

 mounted for microscopical examination, and find that it is identical in shape 

 and structure with that of A. leonina from Western China. 



Distribution. Japan, Corea, Amurland, Western and Central China. 



Genus ERYXNIS. 



Erynnis, Schrank, Fauna Boica, ii. 1, p. 157 (1801) ; Watson, Proc. Zool. Soc. Lonrl. 



1893, p. 99. Type, comma, Linn. 

 Ocytes, Scvidder, Syst, Rev. p. 55 (1872). Type, metea, Scudd. 



" Antennae short, less than half the length of costa ; club short, robust, terminal crook exceedingly 

 minute. Palpi as in Hylephila. Neuration as in HylcphUa except that vein 2 of the fore 

 ■wing is much nearer to the base of the wing in the male, and vein 7 of the hind wing is 

 slightly nearer the base of the wing in both sexes ; the stigma on the fore wing is very 

 similar to that of Hij'lephila, except that it entirely fills the angle at the bifurcation of vein '2. 

 while m HyJepldla the discal stigma crosses the interspace beyond the origin of vein 2. 



'■^Listrihution. Holarctic." {Watson, I. c.) 



Erynnis comma. (Plate XLI. figs. 12 & 17, vars.) 

 Papilio comma, Linnaeus, Syst. Nat. i. 2, p. 793 (17671. 

 Hesperia comma, Lang, Butt. Eur. p. 353, pi. Ixxxii. fig. 2 (188i). 



