. Bulletin of entomological research. Entomology. CONTRIBUTION TO KNOWLEDGE OF TABANIDAE OF PALESTINE. 319 The species characterised above is also allied to T. laetetinctus, Becker, the typical series of which was obtained in Persian Baluchistan ; so far as can be judged from. Becker's description, however, T. pallidipes is distinguished, inter alia, by the much narrower front in the Q, and by the infuscated tarsi. 16. Tabanus dalei, sp. n. (figs. 17,18.) ^—Length (1 specimen) 12*5 mm. ; width of head 4*75 mm. ; length of wing 11 mm. Dorsum of thorax dusky neutral grey, shining; dorsum of abdo
. Bulletin of entomological research. Entomology. CONTRIBUTION TO KNOWLEDGE OF TABANIDAE OF PALESTINE. 319 The species characterised above is also allied to T. laetetinctus, Becker, the typical series of which was obtained in Persian Baluchistan ; so far as can be judged from. Becker's description, however, T. pallidipes is distinguished, inter alia, by the much narrower front in the Q, and by the infuscated tarsi. 16. Tabanus dalei, sp. n. (figs. 17,18.) ^—Length (1 specimen) 12*5 mm. ; width of head 4*75 mm. ; length of wing 11 mm. Dorsum of thorax dusky neutral grey, shining; dorsum of abdomen slate-black \. second and four following segments ivith posterior transverse bands of appressed, glistening, silvery-white hair ; eyes bare ; wings hyaline, extreme base, costal and subcostal cells, and proximal half (narrow portion) of marginal cell ochraceous tawny, contrasting sharply with remainder of surface ; legs black, extensor surfaces of all tibiae,, except at distal extremities, clothed with glistening whitish or yellowish Fig. 17. Tabanus dalei, Austen, head of <$ in pro- file. X about 10. Head of $ small, frontal triangle, face and jowls smoke-grey pollinose, face and jowls clothed with whitish hair ; occiput neutral grey pollinose, posterior margin fringed at sides and above with erect, yellowish hair, longer in region of vertex, and mingled on each side of vertical region with a certain number of black or blackish hairs ; ocellar tubercle inconspicuous, sunk in vertical triangle ; eyes in $ each with an area of moderately enlarged facets abutting on inner margin, but such facets progressively diminishing in size towards exterior and merging gradually into remainder, to which they nowhere present a sharp contrast; palpi in $ dark mouse grey pollinose, clothed with whitish hair, terminal segment small, bluntly elliptical ovate, not pointed at distal extremity ; first joint of antennae in $ blackish mouse grey, scarcely swollen distally, sparsely clo
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