LEPIDOPTERA INDICA. 



CuiNA AND Japan Species. 



Colias onaxima (Gronepfceryx maxima, Butler, Ann. Nat. Hist. 1S85, p. 407. 

 Pryer, Rhop. Niplion, p. 7, pi. 2, fig. 5 (1886). G. Rhamni, var. Leecb, Butt. China 

 and Japan, p. 439, pi. 35, fig. 4 c? ? (1893). Habitat. W. and E. China; Korea; 

 Japan. 



Golias acuminata (Gonepteryx acuminata, Felder, Wien. Eat. Monat. vi. p. 23 

 (1862). Pryer, Rhop. Niphon, p. 7, pi. 2, fig. 6 (1886). Leech, Butt. China, &c., 

 p. 443 (1893). 



Golias Amintha (Gonepteryx Amintha, Blaachard, Corap. Rend. 1871, p. 810). 

 Habitat. Moupin. 



Colias Alvinda (Gonepteryx Alvinda, BlancHard, I.e. p. 810. Habitat. 

 Moupin. 



Genus DERCAS. 



JDercas, Doubleday, Gen. D. Lep. i. p. 70 (1847). Moore, Catal. Lep. Mus. E. I. Company, i. p. 59 

 (1857). Butler, Cistula Ent. i. p. 54 (1870). Distant, Ehop. Malayana, pp. 287,308 (1885). 

 Leech, Butt, of China, Japan, &o. p. 445 (1893). Kirby, Allan's Nat. Libr. Butt. ii. p. 224 

 (1896). de Kiceville, Ann. Nat. Hist. 1898, p. 78). 



Male. Forewing subtriangular, short, very broad ; costa very much arched 

 from the b^se, apex with an acute projected point — more prolonged and acute in 

 the female ; outer margin very slightly oblique and dentated below the apex, 

 posterior margin slightly curved from the base and thence almost straight to the 

 angle ; cell short, extending to less than half the wing, broad ; costal vein reaching 

 to nearly middle of margin ; first subcostal branch emitted at one-fourtb and 

 second immediately before the end of the cell, fourth from below the third at half its 

 length and ending before the apex, fifth (or upper radial) at one-third beyond the 

 cell; upper discocellular short, lower long, each concave, angled above the middle, 

 the lower radial from the angle ; middle median near end of the celL Eindwinr/ short, 

 very broad, quadrate ; costa broadly lobate at the base, obliquely-convex outward, 

 apex obliquely angled, exterior margin broadly produced and angled at end of upper 

 median veinlet, its upper and lower edge almost straight, anal angle pointed, both 

 angles being more produced in the female ; cell short ; precostal vein bent inward 

 at about its middle ; costal vein rather short ; first subcostal branch from near upper 

 end of the cell ; discocellulars very oblique, the upper short, lower long and concave 

 at its upper end, the radial from the angle ; middle median from near end of the 

 cell; submedian vein straight, ending at anal angle ; internal vein recurved. Bodij 

 stout; thorax above clothed with fine silky hairs; palpi short, couq^ressed, com- 



