melit.5:a. 
211 
to the third. Claws curved, grooved below. Paronychia bilaciniate, the outer lacinia 
slender, nearly strap-shaped, longer than the claw ; inner lacinia about half the length of 
the outer, subtriangular, pointed. Pulvillus two-jointed, nearly as long as the claw. 
" Abdomen moderately stout, arched, not much shorter than the inner margin of the hind wing. 
" Larva subcylindric, rather tapering to the extremities, tuberculate ; the tubercules covered with 
short setaj : or spiny, the spiues set round with hairs. Pupa short, obovate, not angular, 
tuberculate, with the head rounded ; or angular, with the head bifid. 
"This genus is difficult to characterize in the perfect state, so as readily to 
distinguish it from Argynnis ; but there is one important distinctive character, 
namely, that the tarsi of the middle and hind legs are not spiny on the under 
surface, whilst they are so invariably in A?Yj}/nnis" {Loubleday, I. c.) 
Melitsea didyma. 
PapUio didyma, Esper, Schmett. i. 2, pi. 61. fig. 1 (J 780). 
MelitcEa didyma, Bremer & Grey, Schmett. N. China's, p. 7 (1853) ; Lang, Butt. Eur. 
p. 188, pi. xliv. fig. 6 (1884). 
" Expands from 1'35 to I'GO inch. All the wings deep reddish fulvous. Hind margins black. 
The male has on the fore wings a row of crcscentic black spots running parallel to the hind 
margin, a somewhat irregular central row ; there is a black discoidal mark, almost ring- 
shaped, and some basal spots. Hind wings with a hind marginal row of black spots, and 
some black basal patches and spots. The female is slightly duller in colour, and the fore 
wings have a faint row of spots between the hind marginal and central rows, and traces of a 
similar row on the hind wings. Underside almost exactly as in Trivia, but not so brilliant 
in colour or so strongly marked ; the apical light patch of the fore wings does not extend 
along the hind margin as in that species." {Lany, I. c.) 
Larva. " Bluish grey, with white dots and black bands ; lateral stripes yellow ; spines white and 
fulvous. Feeds on plautain, &c., from April to June." (Lany, 1. c.) 
Bremer and Grey record this species from the neighbourhood of Pekin, 
and remark that it is common and very variable. Grum-Grshimailo* met Avith 
various forms of 31. didyma in Eastern Thibet, one of which, var. latonia, is 
described, Horse Eoss. 1891, p. 455. 
Staudinger (Kom. sur Lep. vi. p. 183) states that M. didyma and several 
named forms occur throughout Amurland, and that Dr. Wulffius met with 
the species at Possiet Bay, Corea, and at Port Mai. De I'Orza records it from 
Japan ; but this is probably an error. 
* Melitcea romanovi, Gr.-Gr., and M. saxatilis, var, infernalis, Gr.-Gr., are also recorded by 
Grum-Grshimailo from Eastern Thibet. 
2 F 
