404: Mr. E. E. Austen on new 



Nortliern Nijicria : type and six other specimens from 

 Zaria, 1905 {Captain F. U. Carr, A.V.D.) ; one specimen 

 from Kontagora, 1907 [J. Brand) ; one specimen from 

 above Bajibo, left bank of R. Niger, Nupe Province, 

 12. xi. 1906 {Major C. B. Swionds, R.G.A., Anglo-French 

 Boundary Commission), "biting native paddler in canoe." 



Hamatopota paUidipennis is allied to H. brunnescens, 

 Ricardo, which is found in Uganda and the Nyasaland Pro- 

 tectorate ; it is distinguished, inter alia, by the colour of the 

 frontal callus, the presence of a well-marked median frontal 

 spot, the narrower and more elongated basal portion of the 

 third joint of the antennae, the coarser wing- markings, and 

 the milky border to the extreme tip of the w^ing. 



Hamatopota inflaticornis, sp. n. 



$ , — Length (7 specimens) 8 to 8*75 mm. ; width of 

 head 2*6 to 3*2 mm. ; width of front at vertex 1 to VZ mm. ; 

 length of wing 7 to 7*75 mm. 



Stoutly built thick-set species, with someivhat broad body ; 

 dorsum of thorax olive-broivn, with three narrow olive-grey 

 longitudinal stripes ; abdomen broadly bordered on each side 

 and at distal extremity with olive-grey, and with a broad 

 median dark brown stripe, diminishing in ividth from base to 

 sixth segment, where it terminates, narrowly interrupted on 

 hind margins of segments ; first joint of antennce elongate and 

 conspicuously incrassate, especially when viewed from above ; 

 hind tibice with two pale bands. 



Head smoke-grey, median frontal as well as lateral frontal 

 dark brown spots usually well marked, but former sometimes 

 inconspicuous, a pair of subquadrate admedian dark sepia- 

 coloured spots on vertex, separated by an olive-grey stripe 

 running upwards from median frontal spot ; frontal callus 

 black, of moderate depth, its upper margin straight ; face 

 and jov»fls clothed with yellowish-white hair, a few dark 

 brown hairs on each side of face ; palpi olive-grey, clothed 

 with rather long pale yellowish hair, terminal joint not much 

 thickened towards base, and on upper portion of outer side 

 of distal half sometimes with black hairs interspersed with 

 the pale hair; antennce black, first joint dull olive-grey polli- 

 nose, distal extremity (sometimes including as much as distal 

 third) usually shining black, first joint clothed with rough 

 pale yellowish hair, with some black hairs above and at tip, 

 upper angle of second joint strongly produced, third joint 

 ending bluntly, aimuli of considerable relative depth, terminal 

 annulus rather shorter than two preceding annuli taken 



