30 Mr. E. E. Austen on new 



Tabanus product} cornis, sp. n. 



?. — Lenpjtli (1 specimen) 11"6 mm.; width of head 

 4 mm, ; width of front at vertex ju-^t under 1 mm.; length 

 of autenn;^ 2'4' mm. (length of third joint 1'6 mm.); length 

 of wing 10"3 mm. 



Rather smalt species^ ivith abnormally lung and slender third 

 antennal joint. — Front broad, inner margins of eyes bounding 

 it almost parallel, diverging very slightly below ; frontal callus 

 very large, prominent, shining clove-broivn, quadrate in outline 

 ivhen viewed from in front, except that its upper margin is 

 produced in middle line into an upioardly directed angle ; 

 dorsHui. of thorax greyish olive, unstriped ; dorsum of abdomen 

 blackish slate-coloured, cinnamon-rufous on each side at base, 

 hind borders of all segments cream-buff or greyish creani- 

 cohmred poUinose ; ivings hgaline, costal cells and stigma 

 mummy-brown, anterior branch of third longitudinal vein, 

 ungulate at base and provided with a backwardly directed 

 appendix. 



Head', front only about two and one-third time.s as long 

 as broad, buff pollinose above callus, subcallus cream-butl' 

 poUinose; face, jowls, and basioceipital region whitish grey, 

 clothed with white hair; occiput smoke-grey; frontal callus 

 in contact with eye on each side below ; palpi cream- 

 coloured, first joint clothed below with long white hair, 

 terminal joint remarkably small, acuminate, clothed on outer 

 side with ap|)ressed, silvery-white hairs, interspersed towards 

 tip with minute black liairs ; first joint of antennce long, 

 ochraceous-rufous (ochraceous-buff at base), up[)er distal 

 angle not produced; second joint of antennre short, also 

 without a prominent upper distal angle; third joint remark- 

 ably long, narrow, and almost straight, cxi)anded basal 

 portion ochraceous-rufous, as viewed from the side the 

 upper and lower margins of its proximal extremity almost 

 parallel, the angle on the upper margin of the expanded 

 basal portion not prominent, situate just before the mitldle 

 of this section of the joint; terminal annuli of third joint 

 clove-brown, stylifbrm, together about one and a half times 

 as long as expanded portion of joint; last annulus cs|)cc'ially 

 elongate, aliout three-quarters as long as the three preceding 

 annuli taken together, Thorax: dorsum clothed with tine, 

 erect, blackish hair, mixed with ochre-yellow hairs ; dorsal 

 surface of scutellum grey, olivaceous at base ; pleura3 and 

 ]>eetus light grey, clothed with white hair. Abdomen : 

 dorsal surface of first three segments, except hind borders, 

 cinnainon-rul'ous on each side: lateral borders of dorsal 



