PTERINS. 199 



Dry-season Brood. 



Appias vaeaus, Moore, Lep. of Ceylon, i. p. 135, pi. 52, fig. 2, 2a ,$ (1881). 



Appias Aperta, Butler, Ann. Nat. Bist. 1886, p. 188. Moore, Lep. Ceylon, iii. p. 532 (1887). 



Male. Upperside similar to wet-season ; marginal band on the hindwing some- 

 what narrower. Underside. Forewiug with white or pale yellow apical spot. 

 Hindiviiig paler yellow, including the veins ; marginal band narrower. 



Expanse, 6 2^^, ? 2 to 2yo inches. 



Larva. — Cylindrical, dark green, minutely black-dotted ; a whitish sublateral 

 line ; beneath pale green. 



Pupa. — Pale pinkish olivescent-green ; head acutely pointed in front, thorax and 

 anterior abdominal segments dorsally angulated ; wing-cases also angled laterally. 



Habitat. — Ceylon . 



Distribution. — " Found in the low country, generally in the months of September 

 to December. Larva feeds on Cratseva religiosa " (F. M. Mackwood). Capt. 

 Hutchinson obtained it at " Colombo ; in open waste ground from October to end of 

 the year. Flight quick ; alights on shrubs. Shy, but when driven off generally 

 returns to the same spot. Only appeared one year, and then tolerably plentiful " 

 (Lep. Ceylon, i. 135). 



APPIAS LATIFASCIATA. 



(Plate 541, fig. 3, 3a, cT, 3b, ? {wet form). 

 Appias latifasciata, Moove, Trans. Ent. Soc. Lond. 1881, p. 312, ^ ? . 

 Catophaga latifasciata, Watson, Journ. Bombay Nat. Hist. Soo. 1894, p. 501. 

 Appias vacans, Hampson, Journ. As. Soc. Beng. 1888, p. 362. Ferguson, Journ. Bombay N. H. Soc. 



1891, p. 444. 

 Catophaga Hippo, Watson, J. Bombay N. H. Soc. 1890, p. 8, $ (dry form). 

 Appiat {Catophaga) Hippoides, Davidson and Aitken, Journ. Bombay N. H. Soc. 1897. 

 Appias Taprobana, de Niceville, Journ. As. Soc. Bengal, 1900, p. 254. 



Imago.— Male. Larger than J. Taprohana. Upperside with similar broad black 

 outer marginal dentated band. Underside also similar. Forewiiig with the apical 

 spot yellow in the wet-season form, white in the dry-season. Hindwing deep yellow 

 in wet form, paler in the dry form, exterior marginal band broader, costal and sub- 

 costal vein densely brown-scaled, these brown scales also broadly bordering the sub- 

 costal and its branches from their base, thus forming a prominent fascia ; the discal 

 interspaces between the subcostal and radial being more or less whitish. 



Female. Upperside fuliginous-black. Forewing with shghtly-defined whitish 

 cell-streak, two white upper-discal streaks and entire lower-discal area or lower discal 

 streaks. Hindtving with olivescent yellowish-white basal area, and broad fuliginous- 

 black sinuous marginal band. Underside fuliginous-brown. Foreiving similar to 



