200 CATALOGUE OV 



Apatura dichroa, Westioood, in Doubleday and Hewitson^s 



Diurnal Lep. p. 305, n. 21. 

 Castalia Nyctis, Boisduval, MS. 



a. ^ . Simla. Presented by the Trustees of the British 



Museum. 



b. ^. N. India. Presented by Colonel Buckley. 



Castalia dichroa may be distinguished from Castalia Chandra by 

 the exterior margin of the fore-wings being much less deflexed in 

 the middle, and by having all the markings of the upper-side of the 

 fore-wing orange-colour, and being without the black spots in the 

 discoidal-cell of the hind-wing, and on the under-side by the pearly- 

 white on the hind- wings. Expanse of wings 2f inches. 



409. CASTALIA CHANDRA, Moore {Plate Yla,fig. 4). 



Castalia Cliandra, n. sp. — Uppee-side : fore-ioings jet-black, with 

 a greenish gloss at the apex ; a transverse curved row of four orange*- 

 coloured spots from costal margin one-fourth of the wing to middle 

 of posterior margin ; a straight row of five white spots from middle 

 of costal margin to near posterior angle; also two small and one 

 minute white spot near tlie apex ; a marginal and submarginal row 

 of spots, those at the apex whitish, the marginal ill-defined, the sub- 

 marginal rather large and clearly defined, and those to the posterior 

 angle small and bluish : hind-wing clear orange-colour, with rather 

 broad black posterior margin, centred with a marginal row of small 

 whitish spots ; also a parallel inner zigzag black band from anal 

 angle to anterior angle, and extending along the costal margin, the 

 black extending along the veins upwards and downwards to marginal 

 band ; a small black spot nearly at the base of and within discoidal- 

 cell, and another in the centre of the wing ; on the thickest part of 

 the inner band near anal angle is a small central bluish-white spot ; 

 abdominal margin broad dusky-white ; body black ; frontal tuft and 

 neck spotted with white. Undee-side as above, but on the fore- 

 wing the colours are brighter ; the costal margin greenish-white, 

 and there is also a whitish triangular spot at base of discoidal-ceU : 

 on the hind-ioing along the marginal band is a row of bluish-white 

 lunated spots ; the spot on the thickest part of the inner baud is 

 large, as is also the central black spot within the discoidal-cell ; at 

 the base of the wing are a number of greenish- wliite spots ; all the 

 veins are broadly lined with black ; body and abdomen on the sides 

 spotted with white. Expanse of wings 3 inches. 



