A REVISION OF THE ORIENTAL HESPERIID2E. 189 



triangular; lower lobe of clasp acuminate, produced much 



above the level of the upper edge of the clasp nanus, Leech. 



22 (1). Hind wing below -with pale purple spots. 



23 (24). Upperside fuliginous brown. Sex-mark on the fore wing of the 



male a small longitudinal fold of pale scales on vein 1 a about 

 the middle. Purple markings on the disc of hind wing below 

 forming a large irregular macular patch having its outer edge 

 parallel with the termen kali, de Nieev. 



24 (23). Upperside pale brown. Sex-mark on fore wing of the male a seam 



passing obliquely outwards from the middle of vein 1 a to the base 

 of vein 3. Purple markings on disc of hind wing below forming 

 a continuous curved macular band from the costa as far as 

 vein lb catocyanea, Mab. 



! Aeromachus stigmata. (Plate XIX. fig. 3, <s .) 



Thanaos stigmata, Moore, P. Z. S. 1878, p. 694. 

 Aeromachus stigmata, "Watson, Iiesp. Ind. p. 68 (1891). 



Specimens from the N.W. Himalayas and some from Sikkim show a band of 

 whitish spots across the fore wing and a discal spot, which are faint or absent on the 

 upperside of Khasia and Naga hill specimens ; the undersides also vary to some 

 extent, but the genitalia seem to be identical in both forms. 



Hab. N.W. Himalayas (Young); Sikkim (Moller); Khasias (Elwes); Naga hills 

 (Boherty). 



! Aeromachus chinensis, n. sp. 



Aeromachus inachus, Leech, Butt. China, &c. p. 619, pi. xl. fig. 19, c? (1893-94), in part, {nee 

 Menetries) . 



This insect, which in some parts of Western China appears to represent A. stigmata, 

 may be readily distinguished from that species by the characters given in the table 

 above. The genitalia do not differ materially. The sex-mark in the two male 

 specimens which we have seems less conspicuous, but their condition is not perfect 



Hab. Wa-shan, Ta-tsien-lu, West China (Pratt). 



! Aeromachus piceus. 



Aeromachus piceus, Leech, Butt. China, &c. p. 618, pi. xli. fig. 16, <J (1893-94). 

 Hab. Moupin, E. Tibet (fide Leech). 



! Aeromachus musca. 



Pamphila ? musca, Mabille, Bull. Soc. Ent. Er. 1876, p. xxvi. 

 Aeromachus musca, Semper, Schmett. Philipp. p. 305 (1892). 



A very distinct little species, of the size of nanus, Leech, or indistincta, Moore. 

 Hab. Luzon, Siargao (Semper). 

 vol. xiv. — part iv. No. 12. — October, 1897. 2 c 



