220 Records of the Indian Museiun. [Vol. IV, 



Tabanus formosiensis, ? , n. sp. 



Type $ and another from Formosa m Dr. Kertesz's coll. 



A small species nearly allied to Tabanus cinerascciis , Bigot, 

 distinguished from it by the narrower shining black frontal callus 

 and narrower forehead, and by its olive-coloured abdomen with 

 short yellow pubescence scattered over the dorsum. Antennae 

 and legs 3'ellow. Wings clear. Length 11 mm. 



Face covered with whitish tomentum and white hairs, the 

 upper cheeks, subcallus and forehead with yellowish brown tomen- 

 tum, the former with black hairs. Beard white. Palpi pale yellow, 

 with black pubescence, slender, not very stout at base, with a long 

 slender apex. Antennae reddish yellow, the first two joints pale 

 yellow with black hairs, the third with a very small but distinct 

 tooth crowned with a few black hairs, narrow, not very wide at base. 

 Forehead nearly ten times as long as it is broad, being only half as 

 wide anteriorly as it is at vertex, frontal callus cjdindrical, with 

 narrow lineal extension, not reaching the eyes, black; some black 

 hairs on forehead. Thorax blackish with some grey tomentum 

 anteriorly, the dorsum with scattered short yellow pubescence, 

 shoulders reddish with black hairs ; sides and breast ashy grey with 

 white pubescence. Scutellum similar to thorax. Abdomen olive- 

 brown, covered with yellowish brown tomentum and with black 

 pubescence, short appressed yellow hairs are scattered over the 

 dorsum ; under side black covered with ashy grey tomentum. Legs 

 vellow, the coxae covered with ashy grey tomentum and with white 

 pubescence, the femora with the same tomentum chiefly on their 

 lower sides and with some white hairs below, fore tibiae on their 

 basal half with yellowish pubescence, and the others with some on 

 their lower sides, elsewhere the pubescence is black, fore tarsi 

 black, the others more or less brownish. Wings clear, veins and 

 stigma pale yellow. 



Tabanus tuberculatus, 9 , n. sp. 



From Indian ^Museum coll. 



Type 9 and another from Companiganj, Sylhet district, 

 Assam (B. Warren) ; and another female from Belgatchia, Bengal, in 

 Howlett coll., and type cf from Pusa, Bengal. 



A small yellowish species allied to Tabanus diver siirons^ n. sp., 

 but distinguished from it by the shining bare subcallus, forehead 

 narrower anteriorh'. Thorax covered with 3'ellowish tomentum. 

 Abdomen more red-yellow and narrower. Legs almost wholly 

 yellowish. Length, male and female types 13 mm., others 12 mm. 



9 . Face covered with greyish tomentum and with some short 

 yehow hairs. Beard yellow. Palpi bright 3'ellow, a little stout 

 at base ending in a long point, pubescence of yellow and black 

 hairs intermixed. Antennae (incomplete): the first two joints 

 yellow. vSubcallus shining, mahogany-yellow, rather protuberant. 

 Forehead covered with greyish vellow tf;mentum, about seven times 



