﻿ERNEST E. AUSTEN — NEW AFRICAN TABANIDAE — PART III. 415 



to lateral margins and immediate vicinity of frontal spots, remainder of front 

 between frontal callus and blotch on vertex being dark brown or mouse-grey ; all 

 three frontal spots present, lateral frontal spots small, narrowly separated from 

 eyes ; front clothed partly with pale yellowish, partly with blackish hair, in both 

 cases hairy covering of front very short ; frontal callus clove-brown, extending 

 from eye to eye, its lower margin perfectly straight, its upper margin rising to an 

 angle in middle line ; in some specimens the frontal callus is divided into two 

 halves by a median, vertical, pollinose stripe, which in other instances (at least 

 in pinned material available for examination) is represented merely by a small 

 pollinose fleck, interrupting lower edge of callus in middle line ; face, jowls, and 

 basi-occipital region pearl-grey, clothed with glistening white hair, occiput grey, 

 upper portion of face on each side next eye with a clove-brown fleck, which is 

 often transversely elongate ; palpi drab-grey, clothed with glistening white hair, 

 which on distal two-thirds of outer surface of terminal joint, where ground- 

 colour is usually darkish grey, is mixed with minute black hairs ; first and second 

 joints of antennae clove-brown or blackish, thinly clothed with greyish pollen, 



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Fig. 4. — Haematopota crudelis, Austen, <j> • X 4. 



first joint paler (dusky cinnamon- rufous) at base, at least on inner side, cylindrical 

 in shape (not incrassate) and of moderate length, upper distal angle of second 

 joint but slightly produced, proximal three-fourths of under surface of first joint 

 clothed with white or yellowish-white hair, second joint and remainder of first 

 joint clothed with minute black hairs, expanded portion of third joint viewed 

 from side truncate-lanceolate in outline, of moderate breadth, dark brown, some- 

 times paler (isabella-coloured) at extreme base, annulate portion of third joint 

 clove-brown or black. Thorax : dorsum, including scutellum, clothed with short, 

 appressed, yellowish or yellowish-white hair, lateral borders of dorsum smoke- 

 grey, swelling occupying depression at each end of transverse suture clothed 

 below with longer, outstanding, blackish hair ; pleurae and pectus grey pollinose, 

 clothed with white hair. Abdomen : lateral extremities of first six tergites grey, 

 and clothed with minute, appressed, white hairs, hind borders of sixth and seventh 

 tergites and lateral extremities of those of preceding tergites also clothed with 

 white hair (hind margin of last tergite and extreme lateral margins of preceding 

 tergites clothed with longer white hair), remainder of dorsum clothed with 

 blackish hair, which on first five tergites is minute and appressed ; venter, except 



