PAVILIONING. 
163 
in September and October” (J. As. Soc. Bengal, 1886, 874 ). Col. C. H. E. Adamson. 
“ caught two males at Tounggya Sekkan, Upper Tenasserim, in May ” (List Burm. 
Butt. 1897, 48). Col. 0. T. Bingham obtained it at Thoungyen, 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, lb, c, $ ). 
Papilio Philoxenus , var. Westwood, Cabinet of Oriental Entom. p. 81, pi. 40, fig. 4, p (1848). 
Papilio Bavaria , Moore, Catal. Lep. Mus. E. T. Company, i. p. 96 (1857). Eelder, Yerh. Z. B. Ges. 
Wien. 1864, p. 325. Elwes, Trans. Ent. Soc. Bond. 1888, p. 423, Rothschild, Nov. Zool. ii. 
p. 262 (1895). 
Byasa Havana , Moore, Proc. Zool. Soe. Bond. 1882, p. 259. 
Papilio (Byasa) Havana , de Niceville, Sikkim Gaz. 1894, p. 170. 
Imago. —Male. Upperside. Forming fuliginous-black, with a longitudinal black 
streak between the veins and similar streaks within the cell. Hindwing black, 
fuliginous basally; with an upper outer-discal white or pinky-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 lunules, the upper 
one broad, whitish and dull crimson scaled outwardly, the other two being narrow, 
recurved, and darker crimson scaled ; the tail spot either small and crimson, 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. Hindwing 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. Thorax 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 ; antennae and 
legs black. 
Female. Upperside. Forewing paler than in male. Hindwing also paler basally; 
the two upper-discal spots and the upper submarginal lunule somewhat larger 
and generally whiter, the two lower recurved lunules also larger and whiter 
anteriorly ; the tail spot generally larger; an anal marginal irregular-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 
y 2 
