African Phlehotomic Diptera. 217 



black median basal spot or triangk ; hind borders of third 

 and following segments dull, sepia- coloured in ^ , mummy- 

 brown in ? ; silvery-white hair on posterior angles of fourth 

 segment covering from one fourth to one third of hind 

 margin on each side ; lateral margins of sixth or sixth and 

 seventh segments also with yellowish or whitish hair : ventral 

 surface, extreme base of first segment blackish or brownish ; 

 remainder of tirst and whole of second segment tawny ; in $ 

 base of third segment sometimes likewise tawny, but tawny 

 area of venter sharply marked oif from blackish-brown apical 

 jjortion ; in venter of $ the two colours are usually less 

 .sharply contrasted, and the central portion of the third and 

 iuUowing segments is often more or less tawny, the blackish- 

 brown colour being confined to the sides of the segments; 

 venter of (^ clothed with minute black hairs, denser and 

 somewhat longer on apical segments ; second segment with 

 more or less conspicuous silvery-white hairs near hind 

 margin, and similar hairs often present near hind margin of 

 fourth segment on each side ; sixth and seventh segments 

 with pale yellowish hairs on posterior angles : venter of ? 

 with more pale hairs ; second segment with minute silvery 

 hairs interspersed among the black except on basal angles; 

 pale yellowish hairs largely present on fourtli, also clotliing 

 sides of fifth segment, and predominant on following 

 segments. Halteres : stalk brownish, knob buff" to oehraceous 

 buff. Legs : front and middle femora and hind legs (except 

 underside of tarsi) clothed with black hair; under side of 

 hind tarsi clothed with ferruginous hair ; front and middle 

 tibiffi clothed with pale yellowish hair. 



Nyasaland Protectorate (British Central Africa) : types of 

 (J and ? and IG other specimens from the Naugondo 

 stream and its vicinity, Masanji-Shire District, 31. iii. 190G 

 {Dr. J. E. S. Old) ; 3 specimens from the Upper Shire River, 

 near Mpimbi, 20 miles west of Zomba, 1100 feet. May 1905, 

 " In large numbers following the nswala antelope " [zEjji/- 

 ceros 7/ielainjAis'] {Major F. B. Pearce, C.M.G., Deputy 

 Commissio/ier). Tlic field-note by Dr. Old (after whom 1 

 have much pleasure in naming this fine species, as a slight 

 recognition of the efiurts made by him during the last four 

 years to supply tlie National Collection with specimens of 

 the blood-sucking Diptera of British Central Africa) is as 

 follows : — " Naugondo stream ; here and some miles beyond, 

 where I shot an m[)ala \_/Ei)yceros melainjnis], which seemed 

 to attract them after u little while, a large Paiu/unia was 

 seen. I send several s[)ecimeus of it. It makes a loud 



