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



anterior part with a wide and deep depression in the $ ; the sides 

 sinuated near the posterior angles, base without any distinct fold 

 at least on its sides ; intervals with somewhat large slightly rasp- 

 like and moderately closely set punctures. 



Length 3|-4 mm. 



Hah. Southern Ehodesia (Salisbury). 



H. d'Orbigny. 



Onthophagus nudus, n. spec. 



Black, shiny, upper side glabrous. Epistoma narrowly truncate 

 and hardly visibly sinuate in the centre, frontal part without carina, 

 vertex with only a slight trace of a short and straight carina situated 

 slightly behind the middle of the eyes bent at right angles at each 

 end and obliquely prolonged forward on each side between the 

 frontal part and the temples. Prothorax with the punctuation 

 simple uniformly fine and close, sides hardly sinuate near the 

 posterior angles, base without fold. Intervals of elytra with a 

 uniform, very fine, simple and moderately close punctuation. 



Length 3 mm. 



Hah. Natal (Malvern). 



H. d'Orb. 



Onthophagus marshalli, n. spec. 



Shiny black, head and prothorax black with a slight bronze tinge, 

 upper side with a short erect pubescence, which is, however, some- 

 what reclining on the elytra. Epistoma broadly and somewhat 

 deeply scooped out, frontal part without carina or with a very short 

 trace of carina ( <? ), or with a strong arcuate carina ( $ ) ; vertex with 

 a somewhat strong, straight, or nearly straight carina situated in a 

 line with the anterior border of the eyes or slightly behind that line. 

 Prothorax with the punctuation simple, somewhat large, little closely 

 set, becoming closer and somewhat rugose on the anterior half of the 

 sides ; the anterior part bears a small conical tubercle or a very small 

 callus, the sides are not sinuate near the posterior angles or hardly 

 so, the base has no fold. Intervals of elytra with remote granules. 



Length 3-3!^ mm. 



Hah. Transvaal (Waterberg Distr.) ; Southern Ehodesia (Salis- 

 bury, Bulawayo) ; Damaraland (Otjosondu). 



H. d'Orb. 



Onthophagus fuxgicola, n. spec. 

 Head and prothorax bronze or bronze-green, the prothorax spotted 

 with testaceous on the sides or at least along the anterior angles ; 





