PAPILIONINJS. 159 



Pupa. — Kather broad laterally ; head broad and sligbtly cleft in front; thorax 

 convex above and beneath, angular at the sides ; wing-cases dilated laterally ; 

 abdominal segments with lateral foliaceous appendages. 



Type. — B. Philoxenus. 



BYASA PHILOXENUS (Plate 42G, fig. 1, larva and pipa, la, b, J ; 1 c, d, ? ). 



Pajiilio Philoxenus, Gray, Zool. Misc. p. 32 (1831) ; id. Lep. las. Nepal, p. 5, pi. 2, ? (ISIG). Bois- 



duval, Spec. Gen. Lep. i. p. 264 (1836). Doubleday and Hewitson, Gen. D. Lep. i. p. 9 (1846). 



Westwood, Cab. Orient. Ent. p. SI, pi. 40, fir. 2, ^ (1848). Gray, Catal. Lep. Brit. Mus. i. 



p. 9 (1S52). Moore, Catal. Lep. Mus. E. I. Company, i. p. 96 (1857). Felder, Verb. Z. B. Ge.s. 



Wien. 1864, p. 325. Staudinger, Exot. Scbmett. i. p. 9, pi. 5, c? (1881). Ehves, Trans. Ent. 



Soc. Lond. 1888, p. 426. Manders, Tr. Ent. Soc. Lend. 1890, p. 535. de Niceville, Journ. As. 



Soc. Bengal, 1890, p. 387. Obertbiir, Etud. Ent. xvii. p. 2 (1893). Leech, Butt, of China, ii. 



p. 538 (1893). Eothschild, Nov. Zool. ii. p. 264 (1895). 

 Byasa Philoxenus, Moore, Proc. Zool. Soc. Lond. 1882, p. 259, pi. 12, fig. 5, oa, larva and pupa. 



Swinhoe, Tr. Ent. Soc. Lond. 1893, p. 312. 

 Papilio {Byasa) Philoxenus, Doherty, Journ. As. Soc. Bengal, 1886, p. 136. Elwes and de Niceville, 



Jonrn. As. Soc. Beng. 1886, p. 435 ; de Xiceyille, Sikkim Gaz. 1894, p. 171. 

 Papilio Pulyeuclcs, Doubleday, in Gray's Zeol. Misc. p. 74 (1812) ; id. Gen. D. Lep. i. p. 9, pi. 2, 



fig. 3, c? (1846). 

 Papilio Philoxenus, var. Polyeudes, Westwood, Cab. Orient. Ent. p. 82, pi. 40, fig. 3, ^ (1848). 



Imago. — Male. Upperside. Forewing rich fuliginous-black, darkest basally ; 

 with black veins, and longitudinal narrow streaks between the veins and within the 

 cell. Uindiohuj rich black, darkest posteriorly; with a broad white discal patch 

 between the lower subcostal and radial, this patch being quadrate and with equal 

 sides, or it is elongatedly quadrate, and generally with a lower small white attached 

 triangular spot below it at tlae basal interspace of the radial and upper median ; 

 followed beyond by three submarginal crimson spots, which are generally of a rich 

 tint, the upper spot broadly lunular in shape, the two lower are situated between 

 the medians and are longer and recurved, each touching the marginal angle of the 

 wing, or the lowest or subanal is either constricted or broken in its middle and thus 

 forms two separate spots; a rounded crimson spot also at end of the tail; these 

 crimson spots vary in size in individual specimens, and are sometimes rounded in 

 shape on both upper and under side of the wing; abdominal margin folded over on 

 to the upperside and forming a lappet covering a lengthened broad patch of 

 densely packed androconial greyish-brown woolly-hairs. Underside. Foreiving 

 uniformly paler. Hindwing paler basally, the white discal patch and its lower spot as 

 on the upperside, the latter sometimes edged with crimson, and invariably present, 

 though absent on the upperside, and there is sometimes also, though rarely, a similar 



