802 Transactions Soutli African Philosophical Society, [vol. xii. 



broad portion of the dorsal parts of the abdominal segments un- 

 covered as in Omocratcs, they are plane and not costulate and have 

 a deep, transverse, basal impression between the scutellum and the 

 humeral callus, the white scales are dense but not contiguous, except 

 along the suture ; anterior tibiae bi-dentate outwai'dly, hind legs long, 

 slender, and having only a few villose hairs and a few scales ; all the 

 claws double, unequal, slender, and all very slightly cleft. 



Length ^\ mm. ; width 2 mm. 



Hah. Cape Colony (Cape Town, Malmesbury). 



KUBOUSA ELEGANS, n. speC. 



Male : Black, with the tarsi rufescent, covered on the upper side 

 with small and dense but not quite contiguous greyish white slightly 

 hair-like scales, and on the pygidial part, abdomen and metasternum 

 with thicker and broader silvery-white ones ; clj'peus a little 

 rounded laterally near the base, and sub-diagonally attenuated 

 towards the apex which is very deeply emarginate in the centre, and 

 the angles of which are very sharp, and somewhat reflexed ; 

 head and prothorax finely shagreened, the latter is plainly sinuate 

 laterally in the posterior part and sharply angular at the base, and 

 has a small impression along the base on each side of the median 

 part, the scales leave a median longitudinal denuded band, and it is 

 ciliate in front, and laterally ; scutellum elongate, ogival ; elytra 

 strongly sinuate laterally and very plainly attenuate thence towards 

 the apex, the scales are denser than on the prothorax, but not quite 

 contiguous, they are very faintly costulate on each side, and they 

 have a distinct longitudinal basal impression along the humeral 

 callus ; fore tibiae tri-dentate, but with the basal tooth very small ; 

 claws double, unequal, the stronger ones cleft. 



Female : Like the male in size, shape, and vestiture, but the scales 

 are a little more flavescent, and those on the pygidium a little more 

 hair-like. 



Length 3|-5 mm. ; width 2|— 2i mm. 



Hah. Cape Colony (Namaqualand). 



Gen. PLATYCHELUS, Burm., 

 Handb. d. Entomol., iv., 1, p. 14L 

 Encyophancs, Burm., ibid., p. 139. 



Mentum somewhat elongate, ovate, deeply constricted at the point 

 of insertion of the labial palpi, nearly straight or very Httle sinuate 



