_Female._ Black, shining, with testaceous pubescence. Mouth testaceous. Antennæ testaceous towards the base, white at the tips. Pectus and scutellum yellow, the former with a large black spot on each side. Abdomen with testaceous bands. Legs yellow; hind femora black; anterior femora and hind tibiæ with brown bands. Wings grey, with a slight lurid tinge along the costa; veins black. Halteres pale yellow. Length of the body 6–7 lines; of the wings 10–12 lines. Singapore. Gen. SARGUS, _Fabr._ 18. Sargus longipennis, _Wied. Auss. Zweifl._ ii. 34. 11. Malacca. Inhabits also Java. 19. SARGUS LURIDUS, n. s., mas. Ferrugineus, capite pectoreque testaceis, antennis fulvis, abdominis segmentis testaceo-fasciatis, apice nigro, pedibus testaceis, tibiis posticis apice nigris, tarsis posticis nigris apice albidis, alis luridis apice fuscis. _Male._ Ferruginous. Head and pectus testaceous. Antennæ tawny. Abdomen black towards the tip; a testaceous band on the hind border of each segment. Legs testaceous; hind tibiæ black towards the tips; hind tarsi black, with whitish tips. Wings lurid, brown towards the tips; veins brown. Halteres testaceous. Length of the body 7 lines; of the wings 14 lines. Singapore. Fam. TABANIDÆ, _Leach_. Gen. TABANUS, _Linn._ 20. Tabanus univentris, _Walk. Cat. Dipt._ pt. 1. 151. The description in the above reference will not well apply to the two following varieties of this species. _Var. 1._ _Female._ Brown. Head testaceous in front and beneath. Thorax with two testaceous stripes. Abdomen ferruginous, tawny beneath and with a dorsal stripe of tawny triangular spots. Legs blackish; femora and tibiæ partly testaceous. Wings dark grey.—_Var. 2._ Like Var. 1. Abdomen blackish above, with a dorsal stripe of testaceous spots. Mount Ophir. Inhabits also Borneo. 21. TABANUS PARTITUS, n. s., fœm. Nigricans, subtùs albidus, antennis fulvis apice nigris, thorace cinerascente cano-quadrivittato, abdomine piceo albido-trivittato, pedibus testaceis, femoribus tibiisque apice tarsisque nigricantibus, alis subcinereis. _Female._ Blackish; underside and head behind with whitish tomentum. Antennæ dull tawny, black towards the tips; angle of the 3rd joint minute and obtuse. Thorax greyish, with four hoary stripes. Abdomen piceous, with three whitish stripes. Legs testaceous; tarsi and tips of the femora and of the tibiæ blackish. Wings greyish, stigma and veins black; fore branch of the cubital vein simple, nearly straight. Length of the body 6 lines; of the wings 10 lines. Singapore. _Note._—_T. rubidus_, Wied., is very closely allied to the above species, but may be distinguished from it by the following characters.