522 Transactions South African Philosophical Society, [vol. xiii. 



part densely setigerous ; legs impunctate, anterior tibiae sharply 

 uni-dentate at the tip in the $ , bluntly so in the $ ; tarsal joints 

 somewhat compressed, of equal width at both ends, and set close to 

 each other. 



Length 8-10 mm. ; width 2J-3 mm. 



Hab. Southern Ehodesia (Salisbury ; Ovampoland). 



PEOXENUS, n. gen. 



Mentum and ligula quadrate, the former produced behind into 

 a wide, slightly sloping, or nearly horizontal lamina scooped at apex, 

 crescent-like, from one end to the other, upper lobe of maxillae with 

 a long, very sharp tooth, the inner lobe with two superposed sharp 

 teeth, last joint of maxillary palps a little longer than usual; frontal 

 part very convex, clypeus almost vertical ; eyes not large or bulging 

 much ; head strongly carinate on each side, and having in the centre 

 two strong longitudinal keels united near the vertex by another 

 transverse keel, and reaching the base of the clypeus the anterior 

 part of which is sinuate; antennae of Ccenochilus ; prothorax con- 

 stricted along the anterior margin which is carinate and sharply 

 angular in the lower part, quadrate, with the base narrowed, not 

 broader than the anterior margin and straight ; scutellum of the 

 normal shape ; elytra broader than the prothorax, strongly sinuate 

 laterally, depressed, distinctly striate with the intervals plane ; 

 spiracle of the last abdominal joint sharply tuberculiform ; pygidium 

 vertical, and horizontally produced underneath towards the last 

 ventral segment ; mesosternum with a narrow triangular process 

 reaching only the centre of the coxae ; prosternum with the vertical 

 ante-coxal process of the Ccenochilides ; legs massive, anterior tibae 

 strongly dilated at apex, bluntly bi-dentate outwardly ; joints of 

 all the tarsi strongly compressed laterally, impressed at the base on 

 either side, nodose on the upper part, of nearly equal width at either 

 end, set very close to each other, and glabrous but for one very 

 short apical seta ; claws very short, hardly hooked. 



Proxenus squamiger, n. sp. 

 " Plate XLVIL, fig. 19. 



Black, opaque, clypeus slightly strigillate on the sides of the 

 anterior part ; head roughly plicate in between the four keels but 

 reticulate punctate in the posterior part ; antennae black ; prothorax 

 roughly plicate reticulate longitudinally, the carinate sides are 



