408 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, Vol. IX. 



Hasora malayana, Felder, a common Andamanese butterfly. It is 

 possible that the late Carl Plotz has also incorrectly recorded (i Ismene " 

 vitta from the Philippines as well as from Sarawak (Borneo) from 

 whence the type of H. vitta came. In this Herr Georg Semper in 

 his Philippine Butterflies follows Plotz, as he records H. vitta from 

 numerous islands in the Philippine group. Strangely enough he does 

 not give " Ismene " chabrona as a synonym of H. vitta as Mr. Distant 

 does, nor refer to the species in any way, though Plotz records it, as 

 noted above, from the Philippines, but he notes the presence in his 

 specimens of the characteristic spot of H. cliabrona towards the apes 

 of the forewing. Again, Mr. A. G. Butler records * " Hesperia" 

 vitta (his own species) from Malacca. In this he may be correct, 

 though I doubt it, but cannot be sure, not having seen the 

 specimen in question. He also remarks on the characteristic spot, 

 and notes two of them in his male specimen ; in some examples there 

 are as many a3 three. My impression is that Hasora vitta is 

 confined to Borneo. It may be at once known from H. chabrona 

 by the absence in the male (the only sex described and figured) 

 of the small subapical spot in the forewing. f It is by this 

 feature alone I am able to distinguish between the females of 

 H. (Parata) chromus and H. chabrona, the former never possessing this 

 spot, while in the latter it is invariably present. The males of the 

 two species are at once differentiated by the presence or absence of the 

 u male-mark." In addition to this character the sexes of H. cliabrona 

 can be at once distinguished by the male lacking and the female pos- 

 sessing two somewhat large spots in the median interspaces of the 

 forewing. H. coulteri, Wood- Mason and de Niceville, | from Cachar* 

 is very closely allied to H. chabrona^ the females of the two species 

 may be distinguished on the underside of the hind wing by both the 

 edges of the discal white band being sharply defined in H. coulteri, 

 much blurred in H- chabrona. The female of H. coulteri possesses the 

 subapical spot to the forewing, which is lacking in the male, and by 

 the absence of which, together with the discal band, it is distinguished 



* Trans. Linn. Soc. Lond., Zoology, second series, vol. i, p. 554, n. 2 ( 1877 ). 

 f Hesperia vitta, Butler, Lep. Ex., p. 167, n. 3, pi. lix, fig. 9, male (1874). 

 % Journ. A. S. B., vol. lv, pt. 2, p. 378, n. 201, pi. xviii, figs. 8, male ; 8a, 8b, female 

 (1887). 



