African Fhlehotomic Diptera. 287 



defined and conspicuous, usual three rosettes present, centres of 

 prodimal and middle rosettes filled out ivith light blotches; 

 front legs clove-brown, middle and hind legs seal-brown, front 

 and hind tibice each with a single pale band, middle tibia with 

 two 2jale bands and extreme base also pale, front tarsi unusualhj 

 hairy below and at tips of joints, front tibice with a series of 

 fine but prominent and conspicuous hairs at regular intervals on 

 outer margin. 



Head : fiout mouse-grey, its sides diverging very slightly 

 below, extreme lateral margins, a subquadrate fleck on each 

 side of vertex, a ring surrounding median frontal spot, and a 

 narrow median stripe, running upwards from latter to vertex 

 and dividing usual vertical subtriangular dark brown blotch, 

 light grey ; face and jowls smoke-grey, upper part of sides of 

 face somewhat speckled with brown, and a small dark brown 

 fleck extending inwards from lower inner margin of each eye ; 

 lateral frontal clove-brown spots oval, large and conspicuous, 

 narrowly separated from eyes, median frontal spot incon- 

 spicuous or obsolete ; frontal callus dark sepia, of only 

 moderate depth, extending from eye to eye, upper margin 

 convex, lower margin excavated above each antenna ; no dark 

 median spot below callus ; palpi drab-grey, terminal joint 

 somewhat stout, tapering to tip but not elongate, clothed on 

 outer side with black mixed on basal half with yellowish 

 hairs, and on upper and under side of basal half with longer 

 yellov^ish hairs; first and second joints of antenna mummy- 

 brown, first joint slightly greyish pollinose, somewhat elon- 

 gate, stout and cylindrical but not incrassate, upper angle of 

 second joint moderately produced (third joint wanting in 

 type) . Thorax : dorsum with median grey stripe narrow in 

 front, broader behind, interrupted in middle, admedian stripes 

 disappearing as usual beyond expansion behind transverse 

 suture, usual grey crescentic marks present on hind margin ; 

 pectus, pleurse, sides of dorsum, and hind border of scutellum 

 smoke-grey, disc of scutellum dark sepia; dorsum (including 

 scutellum) clothed with minute, deciduous, appressed, 

 shining, yellowish white hairs. Abdomen : dorsum Avith 

 lateral margins of first four segments grey, sides and hind 

 borders of segments clothed with pale yellowish or whitish 

 yellow hairs, dorsum elsewhere clothed with dark brown or 

 blackish hairs ; venter without dark longitudinal median 

 stripe, first two segments smoke-grey, third and fourtli 

 segments mouse-grey, last three segments dark brown and 

 clothed for most part with blackish hair, second, third, and 

 fourth segments of venter clothed with minute, appressed, 

 pale yellowish hair, hind margins of second and following 



