212 PIBEIDJB. 



forms almost identical with A. paulina, but on the upperside the 

 fore wing has always four or five (not two or three as in pauhna) 

 preapical white spots, while on the underside the oblique curved 

 black band that crosses the fore wing is slightly narrower and its 

 outer margin more irregular. Antennae, head, thorax and abdomen 

 as in the d 1 



Exp. rf $ 60-68 mm. (2-36-2-7"). 



Hab. The Andamans and Nicobars. 



017. Appias albina, Boisduval (Pieris), % Gen. Lep. i, 1836, p. 480; 



Elives & de N., J. A. S. B. 1897, p. 710; Sutler (Catophaga), 



A. M. N. H. (7) ii, 1808, p. 397. 



Pieris rouxii, Sofsducal, Sp. Gen. Lep. i, 1836, p. 481, rf. 

 Pieris neumbo, Boisduval, Sp. Gen. Lep. i, 1836, p. 539 ; Moore 



Catophaga), Lep. Ceyl. i, 1881, p. 131, pi. 50, tigs. 3, 3 a, 3 b, 



T O 



Pieris galene, Felder, Novara Reise, Lep. ii, 1865, p. 165 ; Moore 

 (Catophaga), Lep. 2nd. vii, 1905, p. 9, pi. 555, figs. 1, 1 a-l i, 

 f o 



Pieris darada, Felder, Novara Reise, Lep. ii, 1865, p. 166 ; Moore 

 (Catophaga), Lep. Ind. vii, 1905, p. 12, pi. 557, tigs. 1, 1 a-l i, 



+ o 



Catophaga swinhoei, Moore, Lep. Ind. vii, 1905, p. 11, pi. 556, 

 figs. 1, 1 a-\j, larva & pupa, j $ 



Closely resemhles A. paulina, but in both seasonal forms the 

 males can be differentiated by the more acutely pointed fore wing, 

 and the females by the much narrower, oblique, curved black band 

 on the underside of the fore wing. Further and more minute, 

 but apparently constant differences are as follows : 



Wet-season brood. <$ . Upperside, fore wing : the irroration of 

 black scales at apex and along termen anteriorly much more sparse 

 and narrow generally than in paulina. Hind wing : the irroration 

 of similar scales along dorsal margin and on tornus absent. 

 Underside : apex of fore and the whole surface of the hind wing 

 pale dull ochraceous, sometimes with a faint pinkish tint, but never 

 pale yellow as in paulina. $ dimorphic ; differs as follows : 

 1st Form. Upperslde -. the posterior tdrnal portion of the black 

 area on fore wing not inwardly rounded, but straight and 

 generally diffuse. Underside : very like the underside of the 

 dry-season form of A. paulina $ , from which, however, it 

 differs by the narrowness of the oblique curved black band, the 

 outer margin of which is irregularly zigzag, never evenly curved 

 as in paulina. 2nd Form. Markings as in the 1st form but the 

 ground-colour on the upperside entirely pale yellow. Underside : 

 apical half of cell and disc of fore wing up to the black band pale 

 sulphur-yellow ; the oblique curved black band as in the 1st form ; 

 interspace 1 whitish ; the rest of the fore wing and the entire 

 surface of the hind wing rich chrome-yellow. tf $ . Antennae, 

 head, thorax and abdomen much as in A. paulina, but the antennas 

 a dusky black and more closely speckled with white ; the thorax 

 beneath in J white, never yellow. 



