- HETEROCERA OF SIKHIM AND BHUTAN, 259 
brown minutely irrorated with black scales, and the hindwing dark 
grey. Itoccursin May and June, and is not common. (My male 
specimen has the hindwings of uniform colour with the forewing. 
It may be that Mr. Dudgeon has another species.—H, J. EF.) 
Genus HypHorma, WIk. 
821. HA. minax, WIk. 
Sikhim and Bhutan, 3,000 feet. My only specimen I took at Fagoo 
in May sitting on a branch in the same position as I have mentioned 
S. unicolor, oes adopts. 
Genus Sustca, WIk. 
824, S. pallida, W1k. 
Sikhim and Bhutan up to 6,000 feet. Males are extremely common 
at low elevations, but I have never seen the female. Fresh specimens 
have a high tuft or crest on the thorax. 
Genus THosEa, WIK. 
820. £3 cana, WIk. : 
Sikhim and Bhutan, 4,000 feet. I have taken it in May and 
August, (Commoner in the Khasias, where I took it at 6,000 feet in 
September.—H. J. E.) 
$27. T. tripartita, Moore. 
Sikhim and Bhutan, 1,800 to 3,000 feet. Lasily recognised from 
the last by the basal portion of the forewing being dark brown, and the 
pale line bounding it being more erect, also by the postmedial line 
meeting the margin above the outer angle. Occurs in May, July, 
August and September. (Only once taken at light in Darjeeling, on 
August 26th—H. J. E.) 
| 829. 7. fasciata, Moore. 
Bhutan 2,500 feet. One specimen, a female taken in August. 
832. T. cervina, Moore. 
Sikhim and Bhutan, 1,000 to 4,000 feet, at least. Twenty-two 
specimens in my collection fall under four forms. Two of which 
seem to me to be sufficiently distinct, and may possibly be found to 
belong to another species. 
A. Dark brown irrorated with black, disco-cellular speck minute, 
postmedial line pale edged, slightly incurved, arising from 
costa just before the apex, ending near outer angle, Exp. 
& 36-38, 9 39-46 millim. 
