Col. C. Swinhoe on new Geometers. 151 



it sliould have been sanguinaria^ Moore, with the same refer- 

 ence ; the description of the genus and the woodcut were both 

 taken from the latter species. 



Genus Idjea, Treit. 

 Idcea per alba. 



^ ? . White glistening ; a black dot at end of cell in all 

 the wings, black dots on the outer margins. Wings covered 

 with very minute grey irrorations ; costa of fore wings grey, 

 five transverse grey bands, first before the middle and out- 

 wardly curved, second medial and sinuous, third, fourth, and 

 fifth close together, the fifth being marginal, and all sinuous. 

 Hind wings with four bands, the first before the middle in 

 continuation of the second band of the fore wings, second, 

 third, and fourth at even distances corresponding to the third, 

 fourth, and fifth of fore wings ; fringe long, pure white. 



Expanse of wings 1 inch. 



Type : Fort Stedman, Shan States. In B.M. 



Genus Defoa, nov. 



^ . Fore wings with the costa slightly arched before the 

 apex, outer margin rounded, inner margin straight, four fifths 

 the length of the costa. Allied to the genus Somatina (type 

 anthophilata, Guen.). Hind wing with vein 7 emitted at end 

 of cell, instead of before it, as in that genus ; mid tibise 

 with two spurs; hind tibiaj greatly incrassated, a tuft of long 

 hairs from the upper end ; hind tarsi obsolete, there being 

 merely a small point at the end of the tibiai. 



» 



Defoa ustata, 



(^ . Dark olive-grey, patched and suffused with chestnut- 

 brown. Fore wings with a white lunular mark at the end of 

 the cell, margined with brown, a large chestnut-brown ])atch 

 covering nearly the whole discal sjjace, extending from inner 

 margin nearly to the costa, wliere it is rounded and margined 

 with dark brown. Hind wings with a similar-coloured but 

 much paler ])atch, which extends nearly evenly from the 

 abdominal margin to the costa, is striated with black, covers 

 more than half the wing-space, and has a sinuous outer margin 

 near the outer margin of the wing ; a small white cell-dot 

 with a brown margin, and marginal lunules to both wings 

 brown. Underside of a uniform pale brownish grey, with 

 black suffusion on lower half of lore wing and costal space uf 



