1883.] MR. F. MOORE ON LIMNAINA AND ETJPLCEINA. 275 



BiBISANA, n. g. 



Fore wing in male prolonged and acuminate at the apex, exterior 

 margin very oblique, hind margin broadly convex, with a lengthened 

 broad sericeous brand. 



Type B. horsfieldii. 



1. BiBISANA HORSFIELDII. 



Euplcea horsfieldii, Felder, Reise Novara, Lep. ii. p. 333, pi. 40. 

 f. 4, S (1867); Butler, Journ. Linn. Soc, Zool. xiv. p. 300. 

 Hah. Celebes. 



2. BiBISANA LEACHII. 



Euplcea leachii, Felder, Reise Novara, Lep. ii. p. 334, $ (1867). 

 Hab. Celebes. In coll. W. L. Distant. 



3. BiBISANA DIANA. 



Euplcea diana, Butler, Proc. Zool. Soc. 1866, p. 297, pi. 29. f. 6, 

 cJ ; id. Journ. Linn. Soc. Zool. xiv. p. 300. 



Euplcea Tcirbyi, Felder, Reise Novara, Lep. ii. p. 334, 6 $ 

 (1867). 



Hab. Celebes. 



4. BiBISANA CONFIGTJRATA. 



Euplcea configurata, Felder, Reise Novara, Lep. ii. p. 326, pi. 42. 

 f. 1, 2, $ (1867). 

 Hab. Celebes. 



Betanga, n. g. 



Fore wing shorter and comparatively more regularly triangular 

 than in typical Crastia (C. core), the costa more arched, the pos- 

 terior margin more convex, the sericeous brand much larger, broader, 

 and longer. 



Type B. megcera. ' 



1. Betanga scherzeri. 



Euplcea scherzeri, Felder, Verh. zool.-bot. Gesell. xii. p. 479 

 (1862); Reise Novara, Lep. ii. p. 335 (1867); Moore, Lep. of 

 Cevlon, i. p. 12 (1880); Marshall and de Niceville, Butt, of India, 

 p. 85 (1882). 



Hab. Ceylon. 



2. Betanga wallengrenii. 



Euplcea wcdlengrenii, Felder, Reise Novara, Lep. ii. p. 336 

 (1867) ; Butler, Journ. Linn. Soc, Zool. xiv. p. 300. 

 Hab. Java. 



3. Betanga mattra. 



Euplcea maura, Hopffer, Stettin, ent. Zeit. 1874, p. 32, d • 

 Hab. Celebes. 



