DrsTRiiiUTiON. — Col. C. H. E. Adamson found this butterfly " not uncommon in 

 the north and west of Upper Burma, but rare in Lower Burma, where only a very 

 few specimens were taken in November and December" (List, p. 42). There ai'e 

 specimens in the British Museum from BeeHng, Upper Tenasserim, taken by Capt. 

 E. Y, Watson ; Malawoon, Kangoon, Tongoo ; and from the Donat Range, 

 Tenasserim, taken by Col. C. T. Bingham. Mr. 0. Limborg obtained it at 

 " Hatsiega, Upper Tenasserim " (P. Z. S., 1878, 836). Dr. L. Fea took it at 

 Bhamo, in November. Capt. E. Y. Watson i-ecords it as " fairly common in the 

 Upper Chindwin District during April and May " (I.e. 1897, 669). 



GANDACA ANDAMANA. 



Plate 563, figs. 4, 4a, b, c, (? ? . 



Terias formosa, Moore, Pr. Zool. Soc. 1877, p. 590 {nee Hiibner). 



Terias Harina, Wood-Mason, Journ. As. Soc. Bengal, 1880, p. 235; id. I.e. 1881, p. 251. 



Terias Harina (pt,), Butler, Ann. Nat. Hist., 1898, p. 59. 



Wet-season form (fig. 4, S, 4a, ?). Male. Upperside pale sulphur-yellow. 

 Foreiving with a somewhat narrower outer marginal black band than in the Burmese 

 form, its end terminating at the lower median branch. Female. Upperside white. 

 Forewing with a slightly broader black outer band than in Burmese female, its lower 

 end reachicg the posterior angle. Hlnclwing with a more or less defined slender 

 blackish-scaled marginal medial band. Underside very pale sulphur-yellow. 



Expanse, c? 2, ? ]| to 2 inches. 



Dry-season form (fig. 4b c?, 4c ? ). Male. Forewing with the black outer band 

 narrower than in wet form. Female. Upperside white. Foreiving with the black 

 outer band of similar shape and width as in wet form, and terminating at the 

 posterior angle. Hindwing with a very few medially-disposed marginal black scales 

 slightly perceptible. 



Expanse, <S 1^ to If, ? l^ inch. 



Habitat. — Andaman and Nicobar Islands. 



Distribution. — This species was first obtained by Mr. F. A. de Roepstorff, at 

 "Port Blair, Andamans " (P. Z. S., 1878, 590). 



Ikdo-China, Malay, and Philippine Species. — Gandaca Annamica (Terias Harina, 

 Fruhstorfer, Deuts. Bnt. Zeit. 1902, p. 301. Habitat. Annam ; Siam ; (? Hainan). 



Gandaca Distanti (Terias Harina, Distant, Rhop. Malay., p. 307, pi. 25, fig. 13 

 (? (1885). de Niceville, J. As. Soc. Bang., 1895, p. 494. Habitat. Malay 

 Peninsula; Sumatra; Nias (P Borneo). 



Gandaca Bohertyi (Terias Harina, Doherty, J. As. Beng., 1891, p. 29. Fruh- 

 storfer, Berl. Ent. Zeit. 1904, p. 202. Habitat. Engano Island. 



r 2 



