NO- 1456. Nj^w GEOMETRID MO THS— WARREN. 411 



subcostal veins paler across it at base; a broad brown border, starting 

 obliquely from beyond middle of costa, narrowing- along inner margin; 

 hindwing as above. 



Palpi and face orange below, black above; vertex blackish; collar 

 and base of shoulders orange; thorax and abdomen cinereous; dorsal 

 and lateral streaks dull orange; abdomen beneath whitish. 



Expanse ofynngs. — 40 mm. 



Locality. — Cajon, Peru; 1 female. 



Type.— C^t. No. 9165, U.S.N.M. 



Genus EPHIALTIAS Hubner. 

 EPHIALTIAS MORENA, new species. 



Forewing. — Black-brown, with the veins showing paler; a narrow 

 straight chrome-yellow band from costal vein beyond middle to vein 1, 

 just before anal angle; its outer edge a little outcurved below middle 

 and incurved to meet lower end of inner edge; fringe black-brown. 



Hindwing . — Black, with a broad chrome-3^ellow central band from 

 middle of inner margin, which is narrowly black, to one-third from 

 apex, touching above the stalk of veins 6, 7. 



Under side the same, the yellow areas broader. 



Head, thorax, and abdomen above and below black. 



Expanse ofwhgs. — 44 mm. 



Locality. — Rio Grande do Sul, Brazil; 1 male. 



Type.—Q2X. No. 9166, U.S.N.M. 



Genus EUCHONTHA Walker. 

 EUCHONTHA CASTRONA, new species. 



Foreioing. — Brown-black, with a bell-shaped white blotch beyond 

 discocellular, the rounded end basewards, the two radials marked dark 

 on it at their origin; fringe black. 



Hindwing. — Wholl}"^ black. 



Under side of forewing brown-gray, with all the veins black along 

 costa and at apex; the rest of the wing smoky black, with the white 

 blotch in the middle; hindwing pale gray, with all veins black and traces 

 of an outer cloud. 



Thorax and abdomen smoky black; patagia with a yellow and white 

 streak from base; thorax with a pale central line; antenna? black; face 

 and vertex pale yellow; abdomen beneath white. 



Expanse qfivingx. — 38 mm. 



Locality. — Castro, Parana, Brazil; 1 male. 



Type.— C?it. No. 9167, U.S.N.M. 



