30 
LEPIP OPT ERA IJSTDICA . 
somewliat larger. Hinclioing with a black clot at end of the veins. Underside with 
all the markings as in the male. 
Expanse, <S 2\ to 2f, ¥ 2| inches. 
Habitat. —Sikkim; Assam; Khasia and Naga Hills; Central China. 
Distribution. —Mr. H. J. Elwes records “ a single specimen brought from the 
interior of Sikkim by native collectors, is the only one I have ever seen or heard of 
from Sikkim” (Tr. Ent. Soc. 1888, 415). Col. C. Swinhoe has received “ several 
examples of both sexes from his native collectors in the Khasia Hills” (Tr. Ent. Soc. 
1893, 308). Mr. L. de Niceville has specimens from the Lachung Yalley in Native 
Sikkim, the Khasia Hills and Upper Assam” (Ann. N. H. 1898, 482). Mr. W. 
Doherty notes that he obtained “ a large series of _D. Wallichii , at or near Mao, 
Manipur. It flew in June and disappeared in July” (P. Z. S. 1891, 251). Col. 
C. T. Bingham has a male taken at Themaghat, Assam, in June.” In Mr. J. H. 
Leech’s Collection are specimens from Omei Shan, Chang Yang, and Kwei Chow, 
Central China. 
DERCAS LYCORIAS. 
Plate 561, fig. 2, 2a $. 
Rhodocera Lycorias , Doubleday, Gray’s Zool. Mdse. p. 77 £ (1842) ; nee, ? . 
Gorippieryx Lycorias , Doubleday, Gen. D. Lep. i. p. 71 c? (1847). 
Pereas Becipie?is, de Niceville, Ann. Nat. Hist. 1898, pp. 480, 483 c?. 
Pereas Brindhaba, Swinhoe, Ann. Nat, Hist. 1899, p. 107 $. 
Male. Upperside similar to the same sex of D. Wallichii , except that in the 
forewing the large rounded discal black spot is absent, a very few ferruginous scales 
being slightly visible transversely in the upper and lower median interspaces, and 
the apical patch comparatively smaller. Underside also similar to Wallichii , except 
that in the forewing the discal rounded spot is absent, the ferruginous fascia being 
uniform in its entire course. 
F e male. U n known. 
Expanse, cf 2^ 0 to 2f 0 inches. 
Habitat. —Khasia Hills. 
Distribution. —The male type specimen of Lycorias , described by Mr. E. Double¬ 
day, is recorded from Silhet. Our specimens, under examination, from the Khasia 
Hills, entirely agree with his description. Mr. L. de Niceville records his specimens 
of eleevpiens from the “ Khasias, where it appears to be as numerous as D. Wallichii. 
The Kev. W. A. Hamilton having sent me many examples of both species from 
thence, which were obtained by his native collectors ” (Ann. N. H. 1898, 483). Col. 
C. Swinhoe’s type of Brindaba were also taken in “ the Khasia Hills, from whence 
