490 JS^eic Tabanus Species from India and Assam. 



? . — Face covered with grey tomentum and witli wliite 

 pubescence. Beard white. Palpi greyish, with some white 

 hairs at base, and black hairs elsewhere, but tliese last are 

 not very numerous. 



Antennce'. the first joint yellow, the second and third red, 

 tooth at base small. Forehead broad, quite a third narrower 

 anteriorly, and four times as long as it is wide, covered with 

 yellowish-brown tomentum and with some black pubescence; 

 the frontal callus yellowish brown, nearly square, and almost 

 reaching the eyes ; beyond it and sometimes connected by a 

 very fine line is an irregular-shaped black or brownish callus 

 isolated in the middle of the forehead. Eyes with three 

 cross-bands. Thorax : the median stripe is linear, the other 

 ones broad, sides of thorax greyish, with black pubescence. 

 Scutellum : the lateral stripes are continued here, leaving the 

 centre blackish. Abdomen narrow, all three stripes reaching 

 from the first to the sixth segment; sides grey, with white 

 pubescence; underside covered with grey tomentum. Legs 

 uniformly reddish yellow, only the tarsi a little darker ; the 

 femora with grey tomentum and white pubescence. Wings 

 clear, the stigma and veins yellow. 



(J . — The male is identical. Eyes with large facets above ; 

 the small ones on the lower third of eyes are continued 

 round the head as a very narrow border. 



Tahanus nemocaUosus, ? , sp. n. 



Type ( $ ) and another female from Pusa, Bengal, sent to 

 me for identification by Mr. F. M. Howlett. 



A medium-sized species, distinguished by the rather broad 

 forehead, not narrower anteriorly, with no callus or spots. 

 Abdomen blackish brown, marked with greyish-yellow 

 median and lateral spots. 



Length 13 mm. 



Face and forehead covered with greyish tomentum, the 

 former with white pubescence. Beard scanty, white. Palpi 

 yellowish white, with white pubescence, stout, ending in a 

 short point. AnUnnce reddish yellow, the first two joints 

 pale yellow, the third with hardly any tooth. I'horax, scu- 

 tellum, and abdomen blackish brown, the former with five 

 distinct greyish-yellow stripes ; the dorsum with some grey 

 tomentum and with appressed pale fulvous pubescence ; 

 scutellum with the same and with grey tomentum. Abdomen 

 with an almost continuous median stripe formed of grey, 

 tomenfose, narrow, triangular spots, and with irregular- 

 shaped, roundish, grey, tomentose spots on the sides, the 



