304 On some new Heterocera from Tropical America. 



Hcematerion melanobasis, sp. n. 



Afale. — Primaries hyaline, tlie base, costal, outer, and inner 

 margin black, the veins all black : secondaries wliitish 

 hyaline, broadly bordered with black ; two small hyaline 

 spots on the black border close to the apex. Underside the 

 same as above. The head, antenna, thorax, abdomen, and 

 legs black ; the first three segments of the abdomen with a 

 central cream-coloured spot, the anal segments bright red. 



Expanse If inch. 



Bab. South Brazil {Mus. Druce). 



Argyroeides placida, sp. n. 



Male. — Primaries and secondaries yellowish hyaline ; the 

 fringe and veins of both wings black. The head, antennas, 

 thorax, abdomen, and legs black ; the basal segment of the 

 abdomen cream-colour ; the abdomen banded with blue. 



Expanse \^ inch. 



Hab. Ecuador [Mas. Druce). 



Fam. PericopidsB. 



Eucyane albi'macula, sp. n. 



Eucyajie Arcei $, Druce, Biol. Centr.-Amer. ii. t. Ixxvi. fig. 12, 

 p. 383. 



I had seen four females with the band crossing the pri- 

 maries white, and concluded that they belonged to E. Arcei^ 

 as they differed in no other respect. Since then I have seen 

 a white-banded male, which proves that they are referable to 

 a distinct species and require to be named. 



Eucyane cerealia, sp. n. 



Male. — Primaries deep black : secondaries rich glossy deep 

 blue, brightest near the base, the fringe carmine-red. The 

 head, antennse, legs, and thorax deep black ; abdomen bright 

 glossy blue. 



Expanse If inch. 



Uab. Ecuador [Mus. Druce). 



This beautiful species is very distinct from all others 

 known to me. 



Eucyane lysimachideSj sp. n. 



Male. — Primaries deep black, crossed near the apex from 

 the costal to the inner margin by a narrow carmine band, 

 crossed by black veins : secondaries bright glossy deep blue, 



