436 Mr. A. G. Butler's descriptions, §'c. 



Ancistkoides, n. gen. 



Allied to Astictopterus, but difFeringin the mucli longer 

 and more slender antennae ; also allied to Carystus (Sect. 

 Hesperia of Swainson), but differing in the form of the 

 wings and the absence of any trace of discocellular veinlets 

 in secondaries. Type A. longicornis. 



Ancistroides longicornis, n. sp. 



Wings above rich brown ; secondaries with a large 

 quadrate ochreous patch at anal angle, and occupying 

 more than a third of the wing : body dark brown : wings 

 below paler than above ; the patch in secondaries pale 

 buff, extended laterally, and sinuated internally; thorax 

 dark brown, palpi and collar varied with creamy and 

 ochraceous scales ; venter of abdomen pale buff: expanse 

 2 inches 4 lines. 



Hub. — Timor ( Wallace^ 



At first sight this species reminds one of Tagiades 

 Pralaya of Moore. 



Genus Antigonus, Hiibner. 



Antigonus decens, n. sp. 



Wings above pale dove-colour, primaries and base of 

 secondaries with a cinereous tint ; primaries with costa 

 and apical area brown ; a large irregular dark-brown spot 

 (enclosing externally a small hyaline white spot), crossing 

 centre of discoidal cell ; an angulated black discal line from 

 costa to internal nervure near external angle ; a subcostal 

 hyaline white spot near apex ; an indication of a sub- 

 marginal series of dark brown spots ; secondaries crossed 

 near base by an oblique dusky line ; a short subcostal line 

 uniting costal and subcostal nervures, and a straight 

 transverse discal line imiting subcostal and internal ner- 

 vures, black; an indication of a submarginal series of 

 cinereous spots : body above brown, abdomen greyish : 

 wings below much paler than above, secondaries whitish ; 

 markings nearly as above, but less strongly defined : body 

 white : expanse 1 inch, 7 lines. 



Hab. — Peruvian Amazons {Bartlett). 



Not allied to any known species. 



