324 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, 1S92. 



blue, paler towards tlie base. Forewing witb a curved decreasing 

 marginal bluisb-grey band, broadest at tbe costa, continuous as far as 

 the third median nervule, posteriorly broken up into three large 

 rounded inwardly-pointed spots. Sinclwing with a series of large 

 lunular bluish-grey spots placed on the margin, one in each interspace. 

 Underside, hoth wings fuscous, very thickly reticulated with black, 

 the mottling coarser on the hind wing. Foretoing with the ground- 

 colour of the apical half of the wing pale violet ; an oval black spot 

 towards the outer margin in the upper discoidal interspace. Hind- 

 loing with a submarginal series of six round black spots, pupilled 

 with white, the two anterior ones the largest, the fourth very 

 minute, the one in the submedian interspace geminated ; in the 

 submedian and internal interspaces, especially towards the base of the 

 wing, are some large vermilion-coloured blotches, which take the 

 place of the fuscous ground-colour. 



Nearest to D. esaca, "Westwood, which is known to me by Professor 

 Westwood's short description only, and by Mr. Hewitson's figure. 

 These two writers give the habitat of that species as the East Indies, 

 and Mr. Butler says that the type specimen came from Assam, and was 

 collected by Mr. Warwick. Messrs. Wallace and Moore record it from 

 Borneo. D. esacoides differs from D. esaca in the colour of the ground 

 of the upperside. The underside also differs in coloration, being 

 fuscous irrorated with black instead of red-brown as described and 

 figured by Hewitson, and markedly in the presence of the vermilion- 

 coloured blotches on the abdominal area of the hindwing, these being 

 entirely absent in D. esaca. It also differs from the type of Z>, andersonii, 

 Moore, from the Mergui Archipelago, in its larger size, darker color- 

 ation, especially on the underside, the latter possessing a weU-marked 

 whitish exterior marginal area to the hindwing, which is wholly 

 lacking in Z). esacoides. From Herr Georg Semper's figure of the 

 male of D. egiaUna, Felder, in his work on the Butterflies of the 

 Philippine Islands, pi. xii, figs. 7, 8, D. esacoides would appear to be 

 an allied species, differing however in possessing a black spot on the 

 underside of the forewing near the apex, and lacking the series of 

 white spots towards the outer margin on the underside of the hind- 

 wing which are found in D. egialina. The female of D. egiaUna is 

 figured by Felder in Reise No vara, Lep., pi. Ixi, figs. 7, 8, and is 



