192 MESSES. H. J. EL WES AND JAMES EDWAEDS : 



! Aeromachus nanus. (Plate XXIII. figs. 38, 38 a.) 

 Aeromachus nanus, Leech, Butt. China, &c. p. 620, pi. xl. fig. 21, <$ (1893-94). 



Hab. Shanghai {Pryer) ; Ichang {Pratt). 



! Aeromachus kali. 

 Thanaos kali, de Niceville, Jour. As. Soc. Beng. 1885, p. 123, pi. ii. fig. 3, tf. 



The largest of the genus and a very distinct species. 



Hal. Sikkim (Holler) ; Naga hills, Bernardmyo (Doherty). 



Aeromachus catocyanea. 



Pamphila catocyanea, Mabille, Ann. Soc. Ent. Fr. 1876, p. lv. 

 Aeromachus catocyaneus, Leech, Butt. China, &c. p. 618 (1894). 



We have relied on the drawing of Mabille's type of this species referred to by 

 Leech in separating this species, which we have not seen, but which seems nearest 

 to A. kali. 



Hob. " Thibet " (David). Type in Mus. Paris. 



Sebastontma. 



Sebastonyma, Watson, P. Z. S. 1893, p. 81. Type dolopia, Hew. 



A monotypic genus closely allied to Halpe. Vein 5 of the fore wing is 

 straight and arises very little nearer to vein 4 than to vein 6, and the sex-marks 

 in the male consist of an infra-alar tuft on the fore wing and a large suboval 

 patch of androconia near the base of the hind wing above, situate in the cell next its 

 lower edge and occupying about one-half of its area. The sex-mark on the hind 

 wing is not noticed in the original diagnosis of the genus. 



Sebastontma dolopta. 



Hesperia dolopia, Hewitson, Descr. 'Hesp. p. 27 (1868) ; id. Ex. Butt. v. pi. lv. figs. 60, 61 (1873). 

 Halpe dolopia, Watson, Hesp. Ind. p. 74 (1891). 



Hob. Sikkim (Moller) ; Nagas, E. Pegu (Doherty) ; Khasias (Hamilton). 



Pedestes. 



Pedestes, Watson, P. Z. S. 1893, p. 81. Type masuriensis, Moore. 



Watson made Isoteinon masuriensis, Moore, the type of this genus, and he also 

 included in it /. pandita, de Nicev. 



The male genitalia in these two species are remarkable for a certain amount 

 of asymmetry and the possession of separate wdeagus-guards, not part of the tegumen, 



