Eastern PieridcB^ 353 



yet possesses its peculiar species of insects as it does of birds 

 and mammals. 



* * Submarginal band beneath the lower wings white ; nervures 



black and dilated. 



27. Thyca agostina, Hewitson. 

 Picris agosllna, Hew. Ex. Butt. vol. i. Pieris I. f. 1, 2, $, 



Female. — Above : upper wings black, with ashy patches in the 

 cell and between the nervures, and a row of elongate white spots 

 near the outer margin ; lower wings pale ochre-yellow, black- 

 bordered behind, with a marginal row of ashy spots, and the ner- 

 vures slightly margined with dusky atoms. Beneath as above, 

 but the markings on the upper wings whiter and more defined, 

 the lower wings bright ochre-yellow. 



Hab. — North India (Coll. Hewitson and Moore), 



28. Thyca blanca, Felder. 



Pieris blanca, Feld. Wien. Ent. Monats, vi. p. 284. 



Hab, — Luzon, Philippines. 



This species seems to me nearer to T. agostina than to T. 

 ihcmis (with which Felder allies it), on account of the black-bor- 

 dered veins of the upper wings beneath, which I tliink is a good 

 character for arranging the species in a natural series. 



29. Thyca shighapitra, n. sp. (PI. VH. fig. 2, $ ,) 

 Male. — Wings elongate; above, white, the costal margin and the 

 outer half of the uppers dusky, nearly black at the apex, and with 

 an ill-defined inner edge ; lower wings with a narrow interrupted 

 black border behind, within which dusky patches of scales extend 

 a short distance along the nervures. Beneath : upper wings 

 white, the nervures of the upper half black-margined, the apex 

 blackish, leaving a row of six distinct ovate white spots ; lower 

 wings bright yellow, the nervures black-bordered, and a rather 

 broad black border round the hind margin enclosing a row of six 

 whitish spots, the inner ones bifid, the outermost yellow-tinged. 

 Expanse of wings 3-i- Inches. 

 Hab. — Singapore (Coll. Wall.). 



