FEOM THE INDIAN ARCHIPELAGO. 321 



Wings cinereous, hyaline j veins black. Fore wings diffusedly 

 blackish along the costa; a broad pale yellow streak along the basal 

 part of the hind border. Length of the body 4 lines, of the wings 

 9 lines. 

 Hab. Aru. 



419. Bythoscopus diaphanus. Fcem. Testaceus, robustus, thorace 

 transverse striato, alis diaphanis venis nigris basi testaceis, alis an- 

 ticis maculis submarginalibus fasciaque marginali fuseis. 



Female. Testaceous, stout. Head as broad as the thorax ; vertex 

 arched, extremely short ; front flat, slightly keeled, transversely 

 striated on each side. Thorax finely and transversely striated. Wings 

 pellucid; veins black, testaceous towards the base. Fore wings with 

 a brown spot in each of the marginal areolets and with a brown mar- 

 ginal band. Length of the body 4| lines, of the wings 10 lines. 



Hab. New Guinea. 



420. Bythoscopus cupbeipbnnis. Fcem. Niger, transverse striatus, 

 abdominis segmentis flavo marginatis, alis auticis cupreis, alis pos- 

 ticis nigricanti-cinereis. 



Female. Black. Head and thorax transversely striated. Head as broad 

 as the thorax ; vertex extremely short ; front and face flat. Hind 

 borders of the abdominal segments yellow. Wings with black veins. 

 Fore wings cupreous. Hind wings blackish cinereous. Length of 

 of the body 4 lines, of the wings 9 lines. 



Hab. New Guinea. 



421. Bythoscopus scabrifrons. Mas. Flavus, capite pectore ab- 

 domine pedibusque posticis nigris, vertice flavo margine postico ni- 

 gro, fronte scabra, scutello testaceo, alis fuseis, alis anticis apud cos- 

 tam obscurioribus. 



Male. Yellow. Head (except the vertex) pectus, abdomen, and hind 

 legs black. Vertex arched, extremely short, black along the hind 

 border ; front flat, scabrous, transversely striated on each side. Scu- 

 tellum testaceous. Wings brown, hyaline ; veins black. Fore wings 

 darker brown along the costa. Length of the body 3 lines, of the 

 wings 9 lines. 



Hab. New Guinea. 



422. Bythoscopus badius. Foem. Piceus, capite pectore abdomine 

 basi pedibusque testaceis, capite fascia lata picea, alis posticis nigri- 

 cantibus. 



Female. Piceous. Head as broad as the thorax ; vertex arched, ex- 

 tremely short ; underside (except a broad band between the eyes), 

 pectus, abdomen at the base, and legs testaceous. Hind wings 



