80 ISOTEINON. 



This species is easily distinguished by the colour of the underside, 

 which is somewhat similar to that of /. cephaloides. 

 In collections Indian Museum and de Niceville. 



116.-ISOTEINON CEPHALA, HEWITSON. 



Hesperia cephala, Hewitson, Ent. Mon. Mag., 1876, p. 152. 



Hesperia cephala, Hewitson, Desc. Lep. Coll. Atk., p. 4, (1879.) 



Isoteinon cephala, Elwes, Trans. Ent. Soc., 1888, p. 456, pi. xi, fig. 10, $ . 



" Upperside, dark brown, the fringe brown and white alternately ; 

 anterior wing with three transparent white spots and an opaque spot near 

 the inner margin one at the middle bifid, one at the apex trifid, and one 

 below it ; posterior wings with two transparent spots near the middle. 



Underside, anterior wing as above, except that the costal margin from 

 the base to the transparent spot, and the outer-margin from the apex to the 

 middle, are yellow ; posterior wing yellow, with a black spot near the base, 

 a third white spot adjoining the transparent white spots, which are bordered 

 below with rufous-brown, the outer-margin rufous-brown. 



Expanse: i 2 7 <y inches. 



Habitat : Darjeeling." (Hewitson, I. c.) 



Also recorded from Sikkim (de Niceville). 



I have obtained this species at Beeling, Upper Tenasserim in April, 

 and very commonly at Tilin in the Yaw district, Upper Burmah, during 

 March and April. 



In collections Indian Museum and de Niceville. 



117. I80TEINON CEPHALOIDES, DE NICEVILLE. 

 Hesperia ? cephaloides, de Niceville, J. A. S. B., 1888, p. 288, pi. xiii, 



fig- 4. $ - 



" Male. Upperside, both wings dark purplish-brown ; cilia alternately 

 black and white. Fore wing with a large somewhat square spot at the end 

 of the cell, a little larger rhomboidal one below it in the first median inter- 

 space, and a much smaller square one at the middle of the second median 

 interspace, three small conjoined round subapical dots, of which the upper 

 one is the largest, the middle one the smallest, all translucent white ; an 

 opaque dot touching the submedian nervure in the middle of the submedian 

 interspace. Hindwing with three translucent white spots forming an 

 equilateral triangle, of which the two at the base are largest and equal, and 

 the apical one is a mere dot. Underside forewing with a broad costal 

 streak occupying the upper half of the discoidal cell and reaching to 

 just beyond the middle of the wing, and an apical patch, bright chrome- 

 yellow, between which streak and patch the ground is castaneous, 

 the rest of the wing black ; the translucent white spots as on the 

 upperside, but with two additional small black spots between the lowest 

 of the subapical series and the spot in the second median interspace. 

 Hindwing with the basal half of the wing chrome-yellow, the outer half 



