PAPILI0NIN3!. 163 



in September and October" (J. As. Soc. Bengal, 1886, 374). Col. C. II. E. Adamson 

 " caught two males at Tounggya Sekkan, Upper Tenasserira, in May " (List Barm. 

 Butt. 1897, 48). Col. C. T. Bingbam obtained it at Tboungyen, Upper Tenasserim. 

 We possess specimens from the Upper Mekong, Shan States, taken by ]Mr. J. 

 Roberts, C.E. It also occurs in Malacca, and Tonkin. 



BYASA HAVANA (Plate 428, fig. 1, la, S, lb, c, ? ). 



rapilio Philoxetnis, var. "Westvvood, Cabinet of Oriental Entoni. p. 81, pi. 40, fig. 4, 9 (1848). 

 Papilio J!arana, Moore, Catal. Lep. Mus. E. I. Company, i. p. 96 (1857). Felder, Verh. Z. B. Gei!. 



Wien. 1864, p. 325. Elwes, Trans. Ent. Soc. Lond. 1888, p. 42-3. Roth.schild, ^ov. Zool. ii. 



p. 262 (1895). 

 Byasa Havana, Moore, Proc. Zool. Soe. Lond. 1882, p. 259. 

 Papilio (Byasa) Havana, de Nicevillc, Sikkim Gaz. 1894, p. 170. 



Imago. — Male. Upperside. Forewituj fuliginous-black, with a longitudinal black 

 streak between the veins and similar streaks within the cell. Hindiring black, 

 fuliginous basally ; with an uj^per outer-discal white or jjiuky-white small spot, 

 which is either quadrate, rounded, or obsolescent, or occasionally even absent, in the 

 upper subcostal interspace, and a much larger elongate spot in the lower subcostal 

 interspace, followed below by three submarginal normal- shaped luuules, the upper 

 one broad, whitish and dull crimson scaled outwardly, the other two being narrow, 

 recurved, and dai-ker crimson scaled ; the tail spot either small and ci'imson, or 

 obsolescent ; at the anal marginal angle, in some specimens, a few pale crimson scales 

 are more or less present, and a portion of the crimson patch of the underside 

 is visible at end of the marginal hairy lappet. Underside. Both wings paler 

 than the upperside. Hindiring with markings as on the upperside; the large discal 

 spot and upper submarginal lunule being outwardly crimson edged, the lower lunules 

 and tail spot brighter crimson, the anal marginal irregular patch large and pale 

 crimson or nearly white. Tlu>ra.v and abdomen above black ; streaks on front of 

 thorax, collar, front of head, palpi, and sides of thorax beneath crimson; abdomen 

 beneath crimson, with black lateral spots and segmental cross-bands ; antenna? and 

 legs black. 



Female. Upperside. Foreirimj paler than in male. IliudiviiKj also paler basally; 

 the two upper-discal spots and the upper submarginal lunule somewhat laro-ei- 

 and generally whiter, the two lower recurved lunules also larger and whiter 

 anteriorly ; the tail spot generally larger ; an anal marginal irrogular-shaped white 

 patch always present extending from near the submedian to the middle or to the 

 upper median and occasionally to the radial, thus forming a more or less broken 

 lower discal band ; occasionally a small white upper spot is also present in the 



