274 Colonel Charles Swinhce on the 



558. Isocentris ceqiialis. 



Botys csqualis, Led., Wien. Ent. Men., vii., p. 4G8, 

 pi. 10, f. 3 (1863). 



Eangoon, August, 1888. In coll. Swinhoe. 



559. Acharana otreusalis. 



Botys otreusalis, Walker, xviii., p. 637 (1859). 



B. triarlalis, Walker, xviii., p. 639. 



B. neloalis, Walker, xviii., p. 643. 



B. ahstrusalis, Walker, xviii., p. 663. 



B. pharaxaUs, Walker, xviii., p. 725. 



B. immundalis, Walker, xxxiv., p. 1448 (1865). 



Eangoon, July, 1888. In coll. Swinhoe. 



560. Acharana similis. 



Acharana similis, Moore, Lep. Ceylon, ii., p. 286, 

 pi. 180, f. 12 (1885). 



Eangoon, September and October, 1888. In coll. 

 Swinhoe. 



561. Ravanoa hilinealis. 

 Zehronia hilinealis. Walker, xxxiv., p. 1350 (1865). 

 Eangoon, August, 1888. In coll. Swinhoe. 



Thliptoceras, gen. nov. (Warren MS.). 

 Fore \vinp;s elongate, narrow, with pointed apex and oblique hind 

 margin. Hind wings considerably broader in proportion, charac- 

 terised particularly by the antennae of the male, which a little way 

 above the base are flattened out, becoming for a short space much 

 broader, but thinner. The female has the fore wings broader and 

 less acutely pointed than the male. 



562. ThliiJtoceras variabilis, n. sp. (Warren MS.). 

 Fore wing dull yellowish, somewhat sparsely scaled, liable in 

 both sexes to a smoky grey suffusion, which leaves only the apices 

 and fringes yellow ; the two lines and reniform stigma slightly 

 darker, often very indistinct ; the exterior line is subdentate above, 

 strongly bent in beneath the reniform stigma and repeated on the 

 hind wing. Head, thorax, and abdomen yellow ; palpi deeper 

 yellow. Under side like the upper, but duller and without 



