1886.] Insects collected in Tavoy and in Siam. 435 



and placed mncli nearer tlie margin will distinguish it from P. polytes ; 

 other differences as above. 



Four males from Tavoy. 



*130. Papilio (Menelaides) aeistolochij3. 

 P. aristolochicB, Fabricius, Sysfc. Ent., p. 443, n. 3 (1775). 

 Many males and a few females from Tavoy, Ponsekai, and the hills. 



*131. Papilio (Menelaides) doubledayi. 

 P. doubledayi, Wallace, Trans. Linn. Soc, vol. xxv, p. 42, note (1865). 

 One male only from Tavoy. 



*132. Papilio (Byasa) philoxenus. 



P. philoxenus, Gray, Zool. Misc., p. 32 (1831). 



A single male in bad condition from Ponsekai. The red and 

 white spots on the hindwing varying much in Himalayan specimens are 

 here reduced to a minimum. 



133. Papilio (Byasa) minereoides, n. sp., PI. XX, Figs. 2, 2h, S \ 

 3,9. 



6" Uppeeside, hoth wings black. Forewing with the disc paler, 

 crossed by the deep black vein* and similar streaks between the veins, 

 two black streaks in the cell. Hindwing in one specimen with a trifid 

 discal white patch beyond the end of the cell divided by the veins, with 

 a diffused whitish spot in continuation in the submedian interspace 

 sullied with red and black scales, and a small obscure spot also in con- 

 tinuation placed against the discoidal nervule ; in the other specimen 

 this discal patch is very much larger, pink instead of white, the black 

 veins crossing it defined with rose-red, the uppermost spot above the 

 discoidal nervule coalescing with the marginal spot beyond on one wing* 

 while on the other wing the marginal spot is entirely merged into that 

 portion of the discal patch occupying the second subcostal interspace ; 

 four marginal lunules placed between the veins, the three anterior ones 

 of which are in one specimen white, the anal one only being rose-red ; 

 while the two lunules towards the anal angle are rose-red, the next above 

 is pink, and the uppermost, as above stated, is merged into the discal patch 

 in the other. Tail entirely black. Underside, forewing, as above, though 

 rather paler. Hindwing with a fifth marginal lunule in the upper 

 subcostal interspace, white. Antennce black ; palpi and thorax beneath 

 at insertion of the wings red ; abdomen red below, black above, the 

 segments (especally towards the the anal one) ringed with red. 



2 Upperside, forewing much paler, being dusky-grey. Hindwing 

 with the base of the wing as far as the discal patch also dusky-grey, 

 beyond the patch black ; the patch and marginal lunules white, the for- 



