COSMOSOMA. 1G3 



with subdorsal metallic blue spots, the ventral surface white except 

 at extremity. Fore wing black-brown ; a wedge-shaped hyaline 

 patch in end of cell; a wedge-shaped patch below the cell with its 

 extremity bisected by a short black streak, a small spot above base 

 of vein 2, and five rather elongate hyaline spots beyond the cell, 

 leaving a lunulate dark spot on discocellulars. Hind wing black- 

 brown with a hyaline streak beyond the cell and two spots beyond 

 it. Underside of fore wing with the retinaculum metallic blue, 

 the rough scales on terminal area brown from costa to subinedian 

 fold where they run inwards to the cell ; hind wing with the basal 

 half of costal area metallic blue, extending into the cell at base. 

 Hub. Be. Guiana, Potaro K. (Roberts), 1 d . Exp. 32 millim. 



*51S b. Cosmosoma crathidina. 



Co8mosoma crathidinwm, Roths. Nov. Zool. xviii. p. 34 (1911), & xx. 

 p. 470, pi. xiii. f. 4. 



c? . Head, thorax, and abdomen dark brown ; frons with white 

 line below and points at sides ; tegular with metallic blue spots ; 

 shoulders with crimson spots; coxa? white; abdomen with crimson 

 spots on the lateral basal vesicles and sonic metallic blue at ex- 

 tremity, the ventral surface with tufts of long white hair from 

 base and the ventral valve white. Fore wing hyaline, the veins, 

 and margins broadly, dark brown ; the brown extending to sub- 

 median fold on basal area; a large discoidal spot; the terminal 

 band expanding widely on apical area and angled inwards on vein 2 

 to below end of cell. Hind wing hyaline, the veins, and margins 

 broadly, black-brown ; the terminal band broad and expanding 

 below vein 2 ; the underside with the cell except lower extremity 

 dark brown. 



Sab. Ignotus, type f <3 in Coll. Rothschild. Exp. 32 millim. 



*518 c. Cosmosoma flavicinctata. (Plate VIII. fig. 22.) 



Mysi rocneme flavici aetata, Dogn. Ht't. Nouv. Am. Snd, ii. p. 6 (1911). 



S • Head and thorax black-brown, the back of head, tegulae, and 

 metathorax with patches of metallic blue; frons white; shoulders 

 with yellow spots; coxa' white, the femora and tibiae with some 

 metallic blue ; abdomen black, the basal segments yellow, extending 

 at sides to beyond middle, the terminal segments with lateral 

 metallic blue patches and the anal segment with dorsal patch, the 

 ventral segment white except at extremity. Fore wing black- 

 brown ; a slight hyaline streak below costa near base; a wedge- 

 shaped hyaline patch in end of cell and another below end of cell 

 indented at extremity; postmedial hyaline spots above and below 

 veins (> and 1. Hind wing black-brown with an elongate hyaline 

 spot below the cell and two beyond the cell; the underside with 

 the basal costal area suffused with metallic blue. 



Ilah. Br. (iriANA, Mallali, type f J in Coll. Dognin. Exp 

 30 millim. 



m 2 



