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



Onthophagus aspericeps, n. sp. 



Very small, black, with the elytra entirely testaceous ; upper side 

 clothed with a short pubescence. Epistoma rounded, frontal part 

 with an arcuate carina situated in front of the central part of the 

 head, vertex entirely simple. Prothorax covered with a moderately 

 large punctuation very closely set and consisting of punctures about 

 equal in size, but some are very shallow and the others very deep ; this 

 punctuation is simple except that of the anterior half of the sides, 

 which is indistinctly asperous ; the sides are hardly sinuate near 

 the posterior angles, the base is folded. Intervals of elytra with 

 somewhat closely set granules. 



Length 2|- mm. 



Hab. Damaraland (Okahandja). 



H. d'Orb. 



Onthophagus burchelli, n. sp. 



Head and prothorax greenish blue, the remainder of the body 

 black greenish, upper side with a short yellow pubescence except 

 the pygidium, which is covered with long white setae. Epistoma 

 bluntly curved or hardly sinuate, frontal part with an arcuate 

 carina, vertex with a strong, straight carina situated between the 

 centre of the eyes ; prothorax granulated, the granules somewhat 

 remote on the posterior part of the disk, somewhat closely set in 

 front and on the sides, the anterior part with a strong median pro- 

 jection divided at the top by two small tubercles ; sides sinuate near 

 the posterior angles, base with a fine border ; intervals of elytra with 

 remote granules. 



Length 6-7|- mm. 



Hab. Cape Colony (Griqua Town), Damaraland (Windhoek, 

 Okahandja). 



H. d'Orb. 



Onthophagus convexus, n. sp. 



Very small, black, with the elytra completely testaceous ; upper 

 side with a short pubescence. Epistoma rounded, frontal part with 

 an arcuate carina situated in front of the central part of the head, 

 vertex simple. Prothorax covered with a moderately large, very 

 closely set punctuation consisting of punctures nearly equal in 

 width, but the ones very shallow, the others very deep ; this 

 punctuation is simple, except on the anterior half of the sides 

 which is indistinctly asperous ; the sides are hardly sinuate near 



