1908.] Catalogue of the Coleoptera of South Africa. 615 



Onthophagus am(Enus, n. sp. 



Head and prothorax metallic green, the posterior part of the pro- 

 thorax slightly bluish ; elytra light testaceous and having on each 

 side a group of three small black spots disposed in a triangle before 

 the middle, and a black, transverse, very irregular fascia situated 

 towards the posterior side ; pygidium green. Upper side with an 

 entirely pale yellow pubescence. Epistoma rounded ; frontal part 

 with traces of an arcuate carina ; vertex with a somewhat short 

 straight carina situated a little past the middle of the eyes. Pro- 

 thorax uniformly covered with fine, very closely set granules, the 

 anterior part with two small, distinctly separated tubercles ; sides 

 sinuated near the posterior angles, base without fold. 



Length 5^—6 mm. 



Hob. Southern Rhodesia (Bulawayo). 



H. d'Orb. 



Onthophagus nigropubens, n. sp. 



Black, upper side completely clothed with a black pubescence. 

 Epistoma sub-truncate ; frontal part with an arcuate carina, vertex 

 with a strong straight carina strongly dentate in the ceiitre, angular 

 at each end, situated a little in front of the posterior edge of the 

 eyes. Prothorax densely granular on the anterior half, and having 

 on the posterior half a large, but little closely set punctuation 

 asperous towards the centre, simple towards the base, the anterior 

 part has a long, transverse ridge ; the sides are strongly sinuate 

 near the posterior angles, the base is without fold. 



Length 11^ mm. 



Hob. British Bechuanaland. 



H. d'Orb. 



Onthophagus binodosus, n. sp. 



Black, nearly glabrous. Epistoma rounded ; frontal part without 

 any trace of carina, vertex with a strong and somewhat long arcuate 

 carina situated between the centre of the eyes. Prothorax with a 

 moderately large, moderately close and simple punctuation, except 

 that on the sides which is slightly asperous, the anterior part bears 

 two moderately large tubercles distant from each other ; the sides 

 are strongly sinuate towards the posterior angles, the base is indis- 

 tinctly folded. Intervals of elytra with uniform moderately closely 

 set granules. 



Length 6i mm. 



Hab. Southern Rhodesia (Bulawayo). 



H. d'Orb. 



