referred to the genus Mycalesis. 159 



Dalapa Sudra. 



Mycalesis Sudra, Felcler, Eeise Novara, Lep. iii. p. 500, 

 pi. 67, fig. 10 (1867). 

 Hah. — Java ; Sumatra. 



N. g. SUBALAYA. 



Fore wing comparatively long and narrow; costa 

 slightly arched ; exterior margin oblique, almost straight 

 and even. Male with a very slight glandular patch 

 (more distinct beneath) sparsely covered with delicate 

 short hairs. Hind wing small, oval ; exterior margin 

 convex, waved ; first subcostal branch slightly swollen at 

 its base, second very concave at its base ; cell narrow ; 

 disco-cellulars very oblique. Male with a long tuft of 

 hair covering a glandular patch above base of first 

 subcostal branch. Eyes almost naked. Antemial club 

 slender. 



Type. S. Orseis. 



Suralaya Orseis. 



Mycalesis Orseis, Hewitson, Exotic Butt. iii. p. 89, Myc. 

 pi. 6, fig. 36, 37 (1864) ; Butler, Catal. Satyr. B. M. 

 p. 136. 



Hah. — Sumatra ; Borneo. 



Genus Orsotri^na. 



Orsotricena, Wallengren, Kongl. Vet. Akad. Forh. xv. 

 p. 79 (1858). 



Fore wing comparatively shorter, exterior margin less 

 oblique, apex and posterior angle convex ; costal vein 

 only, in both sexes, swollen at the base. Male with a 

 tuft of fine hairs covering a glandular patch above the 

 base of submedian vein. Hind wmg less arched at the 

 base, anal angle convex ; first subcostal branch emitted 

 immediately before end of the cell, middle median also 

 emitted before lower end of the cell. Male with no 

 erectile tuft at the base of subcostal, being replaced by a 

 slight tuft of more delicate a,nd recumbent hairs above 

 and below the median vein. Eyes naked. 



Type. O. Medus. 



