igii.J G. RiCARDO : The Oriental Tabanidae. 387 



about as long as the head and thorax together, first jomt yellowish 

 with pale hairs, its extreme apex and the second joint are obscure 

 reddish with darker hairs, both joints about the same length, the 

 third joint a little longer and blackish. Thorax black with some 

 golden yellow hairs on its posterior borders, and a stripe of the 

 same coloured hairs running across the root of wings at sides ; 

 breast black with some grey tomentum. Scutelluni black, shining. 

 Abdomen black, the second segment pellucid, whitish, on its an- 

 terior border, the black posterior border produced in the middle 

 as a triangular spot which attains the posterior border of first seg- 

 ment; under side yellowish on first two segments, then black. 

 Legs black, the first two joints and part of the third one of 

 middle and posterior tarsi pale yellow, all the tibiae slightly in- 

 crassate, pubescence black. Wings hyaline, brown at base, and 

 a long fore border to the apex, the transverse brown band deeply 

 incised in posterior margin, so that the fifth posterior cell is 

 almost hyaline. Length 8 mm. 



There is a female in the Brit. Mus. coll. from unknown local- 

 ity very much damaged which however is no doubt a specimen 

 of this species. 



Chrysops alter, 2 , Rondani. 



Ann. Mus. Civ. Genova, vii, p. 44 (1875); Ricardo, Ann. Mag. 

 Nat. Hist. (7), ix, p. 373 (1902). 



Female length 5 mm. From Sarawak, Borneo. 



Antennae with the first joint reddish, the two following 

 dusky black. Forehead in the middle narrowly greyish, with a 

 very large anterior callus which is subrotund, shining black, 

 taking up almost the whole width of forehead. Palpi reddish. 

 Face shining black, at the sides narrowly and under the antennae 

 pale poUinose. Thorax with scutellum black, the sides and the 

 pleurae under the root of the wings yellow haired. Calyptra and 

 halteres lilack. Wings with the base luteous ; the costal border 

 brown, the apex with a paler expanded brown colour; the black- 

 ish band is beyond the middle of wing, posteriorly narrower. 

 Legs: the anterior legs blackish, with the exception of the base of 

 femora which are pale testaceous, the intermediate femora, the 

 extreme apex of tibiae and the tarsi pale testaceous, the tibiae 

 blackish; the posterior legs black, with a subapical ring of the 

 femora, the apex of the tibiae and the tarsi luteous testaceous. 

 Rondani, Ann. Mus. Civ. Genova, vii, p. 44. 



Type $ in Genoa Museum was seen by me. It is a small 

 species, the face wholly black, shining, convex, the frontal callus 

 black, large, reaching the eyes, a narrow grey band divides it from 

 the vertex. Antennae yellow. Abdomen which is in a bad state 

 appears black, the first segment yellow anteriorly, and the second 

 segment has a yellow band on its anterior border. Wings with 

 one band, and the apex narrowly dark. 



Length 5^ mm. 



