210 Transactions South African Philosoijlvical Society, [vol. xii. 



0. rarus ; the prothorax is not excavated in the anterior part, and 

 at the apex of tlie anterior dechvity there is a small tubercle 

 truncate at tip. 



Female : Clypeus more acuminate in front than in the male, 

 and with the edge less recurved, frontal carina entire, semicircular, 

 vertex produced as a tri-dentate high carina ; prothorax declivous in 

 front, not excavated and having at the top of the declivity two 

 •coalescing, flattened tubercles forming a narrow ridge which is 

 emarginate in the centre. 



Length 11-14 mm. ; width 7-9 mm. 



Hah. Southern Ehodesia (Salisbury). Was originally described 

 from German East Africa (Mamboia). 



Onthophagus meeus, n. spec, 

 Plate XXXV., fig. 38. 



Piceous black, shining, very briefly pubescent ; head roughly 

 punctulate in the clypeus, and nearly smooth on the vertex, clypeus 

 diagonally elongate, deeply emarginate at tip, and with the angles of 

 the emargination sharp, long, and shghtly recurved, no frontal carina; 

 prothorax marginate all round, convex, with the base rounded, a 

 little declivous behind and having at the top of the centre of the 

 ■declivity a short, longitudinal cariniform tubercle, it is covered 

 with deep, not closely set punctures ; elytra ampliato-ovate, finely 

 geminato-striate, intervals plane and having two series of somewhat 

 deep, setigerous punctures ; pygidium deeply pitted ; metasternum 

 sparsely punctate, basal longitudinal line distinct ; inner part of 

 anterior tibiae of male briefly spinose, spur nearly straight in both 

 sexes. 



Male : Clypeus more elongate than in the female and with the 

 angles of the incision sharper and more recurved, vertex with a 

 sub-laminate process produced as two divaricating horns slightly 

 curving inwards, and a small inner tooth at the base (not as long as 

 depicted in the fig., but more in the manner of 0. intermedins, 

 fig. 40a) ; the prothorax has two impressions in the anterior part. 



Female : Vertex of head with a transverse, nearly straight 

 laminate carina truncate on both sides, but placed where the frontal 

 carina should be ; prothorax with the same median, cariniform 

 tubercle as in the male, but without any impression. 



Length 4-5 mm. ; width 3-3 J mm. 



Hah. Cape Colony (Kimberley), Southern Ehodesia (Lesappi 

 Eiver). 



