_Male._ Ferruginous. Head testaceous in front; mouth and antennae black; pectus whitish; abdomen piceous, hind borders of the segments somewhat tawny; legs somewhat tawny; hind legs piceous, very long, their femora testaceous at the base; wings slightly greyish, darker towards the base, costa and veins black; halteres testaceous, with black knobs. Length of the body 4 lines; of the wings 8 lines. 45. LEPTOGASTER ALBIMANUS, n. s. _Mas._ Niger, capite antico pectoreque albis, antennis basi ferrugineis, abdominis segmentis cano fasciatis, femoribus, tibiis tarsisque basi albis, femoribus posticis luteo fasciatis, alis limpidis, halteribus albidis apice piceis. _Male._ Black. Head in front and the pectus white; antennae ferruginous at the base; abdomen long, a hoary band on the hind border of each segment; femora, tibiae, and tarsi white at the base; hind legs long, rather stout; hind femora with a luteous band; wings limpid, veins black; halteres whitish, with piceous knobs. Length of the body 5 lines; of the wings 7 lines. Fam. LEPTIDAE, _Westw._ Gen. LEPTIS, _Fabr._ 46. Leptis ferruginosa, _Wied._ See Vol. I. p. 118. Gen. CHRYSOPILA, _Macq._ 47. CHRYSOPILA VACILLANS, n. s. _Mas et Foem._ Lutescens, capite nigro, thorace subvittato, abdominis segmentis nigro fasciatis, alis sublimpidis apud costam flavescentibus, venis fusco latissime marginatis, stigmate nigro-fusco. _Male and Female._ Lutescent. Head of the female black, shining; thorax with two brown bands which are paler and indistinct hindward; abdomen with a broad black band on each segment; tarsi blackish towards the tips; wings nearly limpid, yellowish along the costa, veins exteriorly with very broad brownish borders, stigma blackish brown. Length of the body 3-1/2 lines; of the wings 6 lines. Fam. BOMBYLIDAE, _Leach._ Subfam. THEREVITES, _Walk._ 48. THEREVA CONGRUA, n. s. _Mas._ Nigra, glaucescente albo tomentosa, albo pilosa, capite argenteo, thorace trivittato et bilineato, pedibus nigris, femoribus albis, alis cinereis stigmate elongato venisque nigris. _Male._ Black, with glaucous-white tomentum and with white hairs. Head silvery in front; thorax with three blackish brown stripes, the middle one with a dark stripe on each side, broader and more distinct than the lateral pair; abdomen beneath and legs black, femora white; wings grey, with an elongated black stigma and black veins; halteres black. Length of the body 5 lines; of the wings 8 lines. Subfam. BOMBYLITES, _Walk._ Gen. ANTHRAX, _Fabr._ 49. ANTHRAX PELOPS, n. s. _Mas._ Ferruginea, thoracis margine rufo piloso, pectore abdomineque nigris, abdomine fasciis duabus, maculis duabus apicalibus, plagaque ventrali subtrigona argenteis, alis cinereis, basi costaque nigris.