LEPIDOPTERA. 3 



Family PAPILIONIDM. 

 Sub-family PIERINJS. 



Genus BALTIA, Moore. 



Baltia, Moore, Ann. and Mag. Nat. Hist. 1878, p. 228. 



Fore wing very short ; costa considerably arched from the base, apex and posterior angle 

 rounded, exterior margin oblique, costal vein short, subcostal vein arched to end of the cell, 

 six-branched, first and second branches arising at equal distances apart before the end of the 

 cell and terminating on the costa before the apex, third branch bent near its base, middle, and 

 immediately before its termination before the apex, the fourth, fifth, and sixth branches start- 

 ing below from each of these angles, the fourth branch being very short ; cell broad ; dis- 

 cocellulars of nearly equal length, bent inwards ; median vein three-branched, branches at equal 

 distances apart ; submedian vein curved : hind wing long, somewhat oval, slightly broader than 

 fore wing, apex and exterior margin very convex, abdominal margin long ; costal vein short ; 

 subcostal three-branched ; cell broad ; discocellulars oblique, upper the shortest ; median vein 

 three-branched ; submedian nearly straight. Body small, abdomen short, thorax and front of 

 head clothed with long lax hairs. Palpi very long, slender, densely hairy beneath. Legs short, 

 femora fringed beneath with long lax hairs. Antennae short, club large and spatulate. 



Type. Baltia shawii (Mesapia shawii), Bates, in Henderson and Hume's Lahore to 

 Tarkand, p. 305 (1873). 



9. BALTIA SHAWII. Plate I, fig. 5, <? . 



Mesapia shawii, Bates, Henderson and Hume's Lahore to Ydrkand, p. 305, $, 1873. 

 Baltia shawii, Moore, Ann. and Mag- Nat. Hist. 1878, p. 228. 



Male. Upperside white ; base of both wings densely black-speckled : fore wing with 

 the costal edge ochreous and slightly black-speckled ; a large black triangular oblique spot 

 at end of the cell ; a short discal transverse subapical black band, and a marginal row of 

 black decreasing triangular spots : hind wing minutely and sparsely speckled with dark grey ; 

 a slight black streak at end of the cell, the speckles dense across the disc, and there forming 

 a curved sinuous indistinct band. Body black. Palpi ochreous above and fringed with black 

 beneath. Underside : fore wing with markings as above ; costa and exterior margin tinged 

 with ochreous : hind wing black-speckled, the speckles thickly disposed at the base, and also 

 forming a narrow curved discal band ; a slight black streak at end of the cell. Antennae 

 black, stem black-ringed. Abdomen beneath yellow. Legs black above, white beneath. 



Female differs above in having the markings less prominently black, and the subapical 

 band on fore wing continued across the wing on both upper and underside. 



Expanse 1 T 5 ^ inch. 



Rob. Aktagh, north of the Karakoram Pass (15,590 feet), June 14th, 1874. 



The male insect only was captured by Dr. Stoliczka ; the female was taken on the Chang 

 Lung Pass (18,000 feet) by Mr. R. B. Shaw during the expedition of 1870. 



