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



part is covered with a uniform broad, closely set punctuation, and 

 the sides are very slightly sinuate near the posterior angles." 



Onthophagus simoni, d'Orbigny, 

 Ann. Soc. Ent. Fr., lxxi., 1902, p. 23. 



Shiny, black with a metallic sheen, noticeable on the elytra, but 

 turning to dark bronze-green on the prothorax and head ; club of 

 antennae black, or deep fuscous ; head weakly pubescent, like the 

 prothorax the median discoidal part of which is, however, glabrous ; 

 elytra with a double row of short setae in each interval, pygidium 

 densely but briefly pubescent. Head finely punctate but also with 

 larger intermingling punctures on the frontal part and on the vertex ; 

 clypeus rounded, very slightly sinuate in front, rugose, genae as 

 deeply punctate as the frontal part which bears an arcuate ridge 

 reaching almost the suture of the genae ; behind this ridge is another 

 one not quite reaching the eyes and equi-distant from the vertex and 

 the anterior ridge and not as arcuate as the latter ; on the vertex 

 itself is a third, not very well defined sub-triangular ridge; prothorax 

 simple, with the base not marginate except in the very centre above 

 the scutellum, hardly sinuate laterally behind, with the angle quite 

 obtuse, yet distinct, covered with equi-distant, simple punctures, not 

 much more closely set in the centre than on the sides, in the posterior 

 part of the disk is a short, shallow, longitudinal sulcus reaching the 

 base ; elytra narrowly striate punctate, intervals very finely aciculate, 

 almost plane and bearing each two rows of rough, somewhat unequal, 

 deep, setigerous punctures ; pygidium with deep, irregular, con- 

 tiguous punctures; sternum moderately closely but not deeply 

 punctured ; femora remotely punctate ; inner spur of anterior tibiae 

 long and slender, hooked inwardly at tip. 



Closely allied, according to d'Orbigny, to 0. modestus, Har. Cat. (i., 

 p. 234), which differs, however, in addition to minor characters, by 

 the uniform, closely set, large punctures of the prothorax, the 

 narrower striae of elytra, and the intervals which are longitudinally 

 raised in the centre. 



Length 4f— 5 mm. ; width 3-3J mm. 



Hab. Southern Ehodesia (Umtali). 



Onthophagus gkanulum, d'Orbign., 

 Ann. Mus. d. Genov., xli., p. 326. 

 0. granum, d Orb., Ann. Soc. Ent. Fr., 1902, p. 35. 



Black, with a slight metallic tinge especially on the head and 

 prothorax, legs piceous, antennal club piceous ; ( ? ) clypeus a little 



