146 Records of the Indian Museum. [Voi,. IV, 



last three the segmentations are very narrowly lighter, hardly per- 

 ceptible; there are traces of median white-haired spots with a 

 ground-work of grey tomentum on the second to fifth segments ; 

 pubescence otherwise seems black, but on the sides of the first 

 four segments there are white hairs ; under side similar with white 

 hairs on the segmentations. All the specimens are more or less 

 denuded. Legs reddish brown, the fore tibiae at extreme base and 

 the middle pair appear reddish yellow, fore coxae with grey 

 tomentum and some white hairs, femora also with a few, other- 

 wise the pubescence is black. Wings with almost a dark band, 

 the dark brown colouring extending from the upper end of the 

 stigma to the apex on fore border, but not reaching much 

 beyond the branch of third vein, leaving the apex clear, extending 

 across the wing tow^ards posterior border over the upper border of 

 discal cell , shading the veins proceeding from the cell and gradually 

 fading away ; costal border and stigma yellow, base of wing with a 

 faint yellow tinge, veins yellow, brown on upper half, the first pos- 

 terior cell closed, appendix present. 



Tabanus albofasciatuSt $ , n. sp. 

 Type 9 from Shillong, Assam, sent in Indian Mus, coll. 



A large brown species, distinguished by the pale greyish basal 

 band on scutellum, in this respect allied to Tabanus alhocostatus , 

 Bigot, but with the posterior cell very much narrowed at its open- 

 ing on border. The abdomen has narrow white tomentose bands. 

 Wings yellowish on basal half, brown on apical half. Legs black. 

 Length 21 mm. 



Face covered with yellowish tomentum and with some pale 

 yellowish hairs. Beard yellow. Palpi yellow with black pubes- 

 cence, large, ending in a fairly acute point, antennae bright red, 

 dusky at apex, the first two joints pale 3'ellow with black pubes- 

 cence, the third wide at the base with a prominent tooth. Fore- 

 head with tomentum a little darker than that of the face, about 

 nine times as long as it is broad and barely half as wide anteriorly 

 as it is at vertex. Frontal callus long and narrow with lineal ex- 

 tension. Thorax brown, reddish yellow at the sides with golden 

 yellow hairs at base of wings, black hairs on the shoulders, dorsum 

 of thorax with traces of short golden yellow pubescence anteriorly ; 

 breast covered with greyish yellow tomentum and with yellow 

 pubescence, some black hairs intermixed. Scutellum brown but 

 the basal two- thirds covered with grey tomentum. Abdomen 

 blackish brown with greyish white narrow tomentose bands on the 

 first five srgments, the first one does not extend beyond the sides, 

 traces of white pubescence on them, otherwise the pubescence on 

 dorsum where present is black ; underside identical. Legs blackish 

 brown, the femora with some yellowish brown tomentum below, 

 pubescence black. Wings yellowish as far as the apex of discal 

 cell, more intensely so on fore border, apex brown extending to 



