COLLECTED AT DOBET, NEW GUINEA. 237 



veins black ; forks of the cubital vein undulating ; halteres tawny. 

 Length of the body 6 lines ; of the wings 12 lines. 

 Allied to A. temticornis, but very distinct in the structui-e of the veins. 



G-en. 0mm ATI us, IlUger. 



30. Ommatius noctifer, Walker. See vol. iii. p. 88. 



31. Ommatius nanus, n. s. Mas. Cinereo-niger, antennis minimis, 

 abdominis segmentis cano marginatis, pedibns flavescentibus, femori- 

 bus tibiisque apice tarsisqne nigris, alis cinereis apice nigricantibus, 

 halteribus flavescentibus. 



Male. Chiereous black ; head and pectus with hoary tomentum ; an- 

 tennae very small ; arista very long and slender ; hind bordei's of the 

 abdominal segments hoary ; legs yellowish ; femora and tibiae to- 

 wards the tips, and tarsi, black ; wings cinereous, with blackish tips ; 

 veins black; 1st externo-medial vein not straight, as in 0, noctifer, 

 but undulating; halteres yellowish. Length of the body Ah, lines; of 

 the wings 8 lines. 



Gen. Damalis, Fair. 



32. Damalis LUGENS, n. s. Mas. Rufescenti-ochracea, antennis tho- 

 racis disco abdominisque dorso nigi'is, pedibns obscure rufis, femoribus 

 tibiis apice tarsisque nigris, alis nigricanti-fuscis, halteribus apice albis. 



Male. Dull reddish ochraceous ; mouth, antennre, disk of the thorax, 

 and dorsal abdominal segments, except towards the base, black ; legs 

 dark red ; femora, except at the base, tibiae towards the tips, and tarsi 

 black; wings blackish brown, black along the costa towards the base; 

 veins black ; halteres with ivory-white knobs. Length of the body 

 3i lines ; of the wings 8 lines. 



Tarn. LEPTID^, Westw. 

 Geuus Leptis, Fair. 



33. Leptis ferruginosa, Wiecl. See vol. i. p. 118; vol. iv. p. IIO. 



Fam. BOMBTLID.^, Leacli. 

 Genus Antubax, Fair. 



34. Anthrax Pelops, Walk. See vol. iii. p. 90. This seems to be a 

 variety of i4. Donjcus, Boisd. Voy. de 1' Astrolabe, pi. 12. f. 12. 



Fam. EMPID^, Leach. 



Genus Hybos, Fair. 



35. Hybos BicoLOR, PValk. See vol. iii. p. 91. Var. ? Mas. Testaceus, 

 thorace vittis duabus indistinctis pallidioribus, abdomine nigro basi 

 testaceo, tibiis postieis nigris. alis nigricantibus. 



