46 THE LEPIDOPTEEA OF CEYLON. 



of spots before tlie apex pale yellow : hindwiug with, a basal and medial transverse 

 yellow band, lined externally by a black line and internally by a row of black spots, 

 an intervening black spot, a submarginal black band spotted with white and bordered 

 outwardly by large yellow spots ; a white marginal Innular line. 

 Expanse, $ If, 2 2 inches. 



A very rare butterfly ; a drawing sent to the author from Colombo by Mr. F. M. 

 Mackwood. 



Genus PARTHENOS. 



PaHTienos, Hiibner, Verz. bek. Schmett. p. 38 (1816). 



Minetra, Boisduval, Voy. Astrolabe, Lep. p. 126 (1832); Westwood, Gen. Diurn. Lep. p. 265. 



Wings large, broad : forewing triangular ; costal margin very slightly curved, 

 apex rounded; exterior margin oblique, waved; posterior margin short, angle convex; 

 costal vein extending two-thirds of the costa ; first subcostal branch emitted before 

 one-half length of the cell, second near the end, third at half length beyond the cell 

 and curved upward and running close along second for some distance, fourtli and fifth, 

 on a short foot-stalk starting from near base of third ; cell long, narrow ; upper 

 discocellular short, bent inward immediately below subcostal and then straight below 

 the angle, lower discocellular concave, directed inward, radials from angle and end of 

 the upper; upper median branch, bent convexly upward beyond the cell and then 

 extending parallel with lower branches, middle branch emitted before end of the cell, 

 lower branch at a considerable distance before its end ; submedian recurved near its 

 base : hindwing short, very broad, somewhat quadrate ; exterior margin waved, 

 produced outward beyond the middle ; costal vein extending to the apex, with a bifid 

 spur near its base ; first subcostal branch emitted at nearly one-half before end of the 

 cell, second bent at end of the cell ; upper and lower discocellulars oblique, each 

 concave, radial from their middle ; two upper median branches from end of the cell, 

 upper bent convexly near its base, lower from one-third before end of the cell ; 

 submedian curved near the base; internal straight, short. Body stout, abdomen 

 short ; palpi ascending, pilose beneath and above at top of second joint ; second 

 joint very long, extending to a level with vertex, third joint very short, pointed ; legs 

 slender, long ; antennae long, gradually thickened towards the tip. 



PARTHENOS CYANEUS (Plate 24, Fig. 1, la). 



Parthenos Gyaneus, Moore, Annals of Nat. Hist. 1877, p. 46. 



Male and female. Upperside greyish-blue: forewing with a discal transverse 

 oblique interrupted series of large irregular-shaped black-bordered bluish-white 



