524 Transactions South African Philosophical Socicti/. "vol. xiii. 



very convex in the centre (J), abdomen concave; legs robust, 

 anterior tibias bluntly bi-dentate, joints of all the tarsi compressed, 

 very short and broad, being, with the exception of the apical ones, 

 slightly broader than long, very closely set, and probably no longer 

 free ; claws very short, barely hooked. 



Allied to Proxenus, but differing in many characters. 



ASTOXENUS AMICUS, 11. Sp. 



Dull black ; head and clypeus with small, shallow, irregular 

 punctures on the sides of the clypeus, and sub-cicatricose ones on 

 the centre and on the vertex, each puncture bearing a most minute 

 sub-flavescent hair ; prothorax ampliate rounded laterally from the 

 anterior part to about the middle, which is sub-angular, narrowed 

 obliquely thence to the base which is narrow but with the angles 

 quite distinct, it is marginate all round, the anterior margin being 

 highly carinate, there is no discoidal or basal impressions, and the 

 surface is covered with contiguous, ovate, somewhat deep punctures 

 separated by slender raised walls ; scutellum covered with horse- 

 shoe-like punctures; elytra depressed, with the suture slightly 

 raised and having on each side of it a single stria, and at a short 

 distance from it two more which are not, however, geminate, the 

 rest of the dorsal surface is sub-scabrose punctate, and punctate 

 only on the sides, each puncture bearing a minute, sub-squamiform 

 hair; propygidium transversely plicate, reticulate and sparingly 

 pubescent ; pygidium granulose and with similarly minute, sparse 

 hairs; abdomen covered with horseshoe-like punctures, which are 

 completely closed and form a conspicuous reticulation on the 

 pectus, each puncture bearing also a minute hair ; there is no 

 mesosternal process, and the vertical prosternal ante-coxal one is 

 pubescent. 



Length 14 mm. ; width nun. 



Hab. Southern Rhodesia (Melsetter). 



Gen. PILINURGUS, Burm. 

 Handb. d. Entom., hi., 1842, p. 658. 

 Mentwm with the outer face of ligula greatly thickened, the upper 

 part wider than half the length of the whole mentum, somewhat 

 slanting, deeply depressed in the centre, outer margin of the 

 enlarged part incised in the centre, inner margin sinuate with the 

 angles rounded, the depression is strigose and hairy like the whole 

 outer face, and obturates completely the mouth ; upper maxillary 



