536 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



each other. They should be listed as given above, though the discov- 

 ery of the new form of xantliocera makes the latter name no longer 

 appropriate. 



Habitat. — Suapure, Venezuela. 



COSMOSOMA TEUTHRAS Walker. 



In one specimen the discocellular spot was entirel}^ absent, whereas 

 in all other individuals it was quite prominent. 

 Tlahitat. — Ciudad Bolivar, Venezuela. 



COSMOSOMA ACHEMON Fabricius. 



In this species the male has the terminal band of forewing expanded 

 between veins 2 and 3 to cell and along it to vein tt, the expanded 

 portion being entirely' black or with more or less broad orange-red 

 streaks between the veins, the latter form agreeing with the descrip- 

 tion of the type. 



Ilalntat. — Ciudad Bolivar, Venezuela. 



COSMOSOMA ACHEMON Fabricius. 



Variety. — In this rare form the usual red of the underside of the 

 body is superseded b}^ black, thus conforming to the coloration of the 

 male. 



Exjjanse. — 28 mm. 



Ilahitat. — Ciudad Bolivar, Venezuela. 



COSMOSOMA ACHEMON Fabricius var. BOLIVARENSIS, new variety. 



Male. — Head and body black; antenna? with some white on tips; 

 patch on frous, spot between and spots behind antennae, spots on 

 tegula? and thorax, patches on pectus, fore coxa? below, and slight 

 basal streaks on tibia? metallic blue; patagia with or without red stripe 

 (in types without stripe in males, with stripe in females); abdomen 

 with subdorsal series of metallic blue spots; the ventral surface with 

 sublateral series of metallic blue spots which are very large on basal 

 segment, and usually obsolete beyond (as in types); wings hyaline, 

 the veins and margins black. Fore wing with metallic blue point at 

 base of subcostal nervure, a black basal patch, a narrow black discoidal 

 lunule; the terminal band very wide on apical area and expanded 

 between veins 2 and 3 to cell and along it to vein -1. Hind wing with 

 the terminal band wide at apex and expanded at tornus. 



Female. — With the terminal band of fore wing not expanded between 

 veins 2 and 4. 



Expanse. — 26-30 mm. 



Ilahitat. — Ciudad Bolivar and Suapure, Venezuela, though only one 

 specimen was met with at the latter place. 



