294 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



JIahltat. — Omai, British (ruiana. 



Allied to A. jiiturna Cramer and la-or/nas Cramer. 



Tf/pe.— Cat. No. 8789, U.S.N.M. 



Family MELALOPHID^E. 



Genus ROSEMA Walker. 

 ROSEMA MAGNIPLAGA, new species. 



Palpi light brown. Head white. Collar and thorax bright green; 

 a white patch posteriorly. Abdomen ochreous. Primaries bright 

 green; the costa broadly roseate white, edged with buft'; a large 

 whitish patch irrorated with brown from just below subcostal at middle 

 oi^ wing to near outer margin from just above submedian to vein 4. 

 Secondaries brownish yellow. 



Expanse. — 50 mm. 



Habitat . — St. Jean, Maroni River, French Guiana. 



This species is allied to Moresa costalis Walker. 



Type.— Cat. No. 8790, U.S.N.M. 



ROSEMA NADINA, new species. 



Palpi roseate brown. Frons whitish ))uff. Vertex and patagia 

 green. Collar and thorax greyish. Primaries bright green; the costa 

 tinely whitish; a black discal point; an upright whitish streak on 

 inner margin before middle. Secondaries whitish, faintly tinged with 

 roseate. 



ExjMtise. — 30 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. 



Tyjje.—Cat. No. 8791, U.S.N.M. 



ROSEMA PALLIDICOSTA, new species. 



Head and thorax green; a white spot on vertex. Abdomen ochre- 

 ous brown; a large grey subdorsal patch at base; whitish anal hairs. 

 Primaries acute, bright green; the costal margin broadly pale roseate; 

 a minute yellow discal point. Secondaries yellowish white. 



Expanse. — 48 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. 



Closely allied to R. costalis Felder, which is evidently the same as 

 the species in the Oxford Museum for which I proposed the name of 

 valkeri. 



Type.— Cat. No. 8792, U.S.N.M. 



ROSEMA FALCATA, new species. 



Palpi brown. Head and patagia green. Colhir and thorax black- 

 ish brown. Abdomen light brown. Primaries ver}^ acute, green; 

 a white discal point; fringe ])rown at apex, otherwise greyish, tipped 



