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30. Cosmosonia flavicostale sp. nov. 



<?. Lesjs black, tarsi jialo sulpliui', fore coxae lianded with white; head black 

 a white dot at base of antennae; antennae deep brown, rufous tips ; tegulae black 

 with metallic blue centres ; patagia dnll )'e]]ow with black enter margins ; thorax 

 black with central yellow line ; abdomen black glossed with steel-bine, first two 

 segments with narrow pale sulphur rings, the third, fourth, and fifth segments 

 with orange rings. Wings hyaline-yellow ; forewing, costal and basal three- 

 fourths of inner margin deep orange, nervures and outer margin black expanding 

 to termen ; hindwing, hyaline-whitish, costa orange, nervures and margins black. 



?. Similar. 



Ilab. Rio Huacamayo, Carabaya, 310U ft., dry season, June 1904, 1 S ; Santo 

 Domingo, Carabaya, S.E. Peru, 6500 ft., January 1903, 1 c? ; La Oroya, Rio 

 Inambari, Pern, wet season, October 1004, 2 ? ¥ (G. R. Ockenden). Type c?, Rio 



Huacamayo. 



40. Cosmosoma steinbachi sp. nov. 



(J. Legs black, inner side dirty ochraceous, tarsi yellow ; palpi brownish ; frons 

 yellow ; antennae brown ; vertex black with metallic blue dots ; tegulae yellow 

 with black central spots ; i)atagia and thorax black streaked with yellow ; abdomen 

 above black with subdorsal rows of metallic green-blue spots, first segment and 



interspaces between rest of segments yellow. Wings hyaline-yellow ; forewing 



with fringes, termen, and nervures black, basal half of inner margin dark yellow ; 

 hindwing, fringes, tornus, and nervures black. 



?. Similar. 



Length of forewing : 16 mm. 



Ilab. Buenavista, East Bolivia, 750 metres, August 1900— April 1907 (Jos 

 Steinbach). Type <?. 



41. Cosmosoma simillimum sp. nov. 



(?. Allied to turapotensis Druce. Legs orange, fore coxae pale sulphur ; palpi 

 orange, antennae brown, head yellow ; tegulae yellow with central black spots ; 

 patagia and thorax black with broad yellow bands ; abdomen above black with 



broad sulphur bands and subdorsal lines of metallic blue spots. Wings hyaline 



pale yellow ; forewing with termen, nervures, and margins black, base of wing 

 yellow with black central spot, a band of dark yellow on basal half of inner margin ; 

 hindwing with nervures, margin, and tornus black. 



Length of forewing : 19 mm. 



Hab. Amazon River, 2 S <S . 



42. Cosmosoma metallicum sp. nov. 



?. Legs black, coxae, femora, and i>roximal half of tibiae metallic green- 

 blue ; head and thorax metallic green-blue edged with black ; abdomen black with 

 subdorsal and ventro-lateral rows of metallic green-blue spots, interspaces between 



first four segments orange. Wings hyaline-yellow ; forewing, basal three-fifths of 



costa hyaline-orange, rest of costa, inner margin, narrow discocellnlar bar, nervures, 

 and terminal fifth of wing black ; hindwing, nervures, margins, and toniHS black. 



A c? from the Felder collection labelled " Amazon River" is, I believe, the S 

 of this species, but it is in very bad condition. 



Length of forewing : 21 mm. 



Ilab. Bogota, 1 ? ; Amazon River, 1 S ? (Felder coll.). Type ? , Bogotsl. 



3 



