1900.] Catalogue of the Coleojytera of South Africa. 243 



Length 4 J mm. ; width 3 mm. 



The shape of the valves of the penis is very different from that 

 of the other species of Onthophagus, and they very much resemble 

 those of the Oniticellid Scaptocncmis segregis (plate xxxviii. fig. 10). 



Hab. Natal (mouth of the Umkomas Eiver). 



Onthophagus pudens, n. spec. 



^neous, with the elytra infuscate and having a broad apical, and 

 sometimes a lateral, testaceous transverse band ; head very sparingly 

 punctate and six-dentate owing to the genge being very auriculate, 

 the lateral part of the clypeus dentate and the anterior part deeply 

 incised, with the angles of the incision long and sharp, there is no 

 trace of carina on the frontal part or on the vertex ; clava of antennae 

 fuscous ; prothorax very little ampliate, nearly straight laterally, 

 little convex, marginate all round and with the base not quite 

 rounded in the middle, it is covered with round punctures not 

 closely set, and is very little pubescent ; elytra ovate, distinctly 

 geminato- striate, strige shallow and punctulate, intervals plane and 

 having only two series of distant, irregular deep punctures which 

 are slightly setigerous ; pygidium punctulate, briefly setigerous ; 

 metasternum very sparsely punctulate, and divided from the 

 mesosternum by a fine raised line ; inner part of anterior tibiae non- 

 spinose, apical spur slightly curved outwardly in the male, nearly 

 straight in the female, and moderately slender. 



This species is easily distinguished from all the other South 

 African ones by the six-dentate head. The carinate frontal edge 

 of the metasternum is not met with in the other South African 

 species, in which the junction is indicated by a more or less 

 impressed, sometimes quite evanescent line, but this is not a 

 sufficiently important distinctive character to justify the removal of 

 this species from the genus Onthophagus, much more so that there 

 are some species in which it is difficult to say if the suture is 

 carinate or impressed. 



Length 3 mm. ; width 2 mm. 



Hah. Southern Ehodesia (Salisbury). 



Onthophagus columella, Fahr., 

 Plate XXXVL, fig. 10. 

 Insect. Caffrar., ii., p. 273. 



Bronze black, opaque, hardly pubescent ; head semicircular, 

 but a little more elongate in the male than in the female, a little 



