292 E. E. AUSTEN — A NEW SPECIES OF ' 



tico segments clove-brown ; wings tinged with sepia, anterior branch of third 

 longitudinal veinbent at an angle, ivith a backwardly directed stump or appendix. 

 Head light gi'ey, occiput somewhat darker than face and jowls, front 

 yellowish grey, of moderate breadth, inner margins of eyes parallel, a more 

 or less faintly marked light mummy-brown horizontal band between base of 

 each antenna and margin of eye on same side ; frontal callus black or clove- 

 brown, rectangular, broader than high ; front clothed with short, erect, 

 blackish hair, immediately above callus with yellowish hair, lower surface of 

 head clothed with whitish hair ; palpi cream-coloured, proximal joint clothed 

 with whitish hair, terminal joint moderately swollen at base, then tapering 

 to a point, clothed with minute, appressed, pale straw-yellow hairs, sometimes 

 mixed in front with a few minute black hairs ; first and second joints of 

 antennce ochraceous-buff, first joint clothed below with pale yellowish and 

 above with minute black hairs, third joint ochraceous-rufous with dark 

 brown distal extremity, expanded portion of third joint fairly broad, terminal 



Fig. 2. — Heads of: «, Tahanus kingi, Austen, $ , and b, Tabaniis tceniola, P. de B., $ . 



annuli shorter than in T. tceniola, Pal. de Beauv. Thorax : dorsum with 

 but a faint trace of paler longitudinal stripes ; swelling in presutural de- 

 pression on each side tinged with fawn-colour, and clothed with fairly long- 

 blackish hair ; pleurae and pectus grey or smoke-grey, clothed with whitish 

 hair ; scutellum agreeing with remainder of dorsum in coloration and hairy 

 covering. Abdomen : dorsum marked as shown in fig. 1, except that the 

 median pale greyish stripe, which is clothed with minute, appressed, yellowish 

 hairs, is sometimes more distinctly composed of a series of truncate triangles ; 

 when abdomen is viewed at a low angle from behind, median stripe or 

 truncate triangle on second (i. e. second visible) segment is seen to extend,, 

 like its successors, to front margin of segment ; hind margin of first segment 

 with a small patch of yellowish hairs in middle line ; admedian stripes dark 

 sepia-coloured, clothed, like dark patch near each lateral margin of each of 

 the first five segments, with minute black hairs ; each of first five segments 

 with an elongate and somewhat ill-defined pale mark (clothed with minute 



