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



Onthophagus semigraniger, d'Orbign., 

 Ann. Soc. Ent. Fr., lxxiv., 1905, p. 463. 



" Little shiny, black, glabrous on the upper side; head closely, finely 

 asperous, clypeus emarginate, frontal part arcuately carinate, the 

 vertex with a lamina not wide, situated long after the eyes and 

 produced in the middle into a horn ; prothorax closely and finely 

 granulate, not depressed on each side above the posterior angles, 

 broadly depressed in the middle in the anterior part, and with the 

 sides strongly sinuate behind and only slightly sinuate near the 

 anterior angles, base not marginate ; elytra finely striate, intervals 

 plane and very minutely punctulate ; pygidium sub-densely and 

 finely punctate, the punctures intermixed towards the sides with 

 some larger punctures. Spurs of anterior tibiae provided with a long, 

 sharp incurved tooth, and set very close to the apex. 



Length 7 mm. 



Hab. Damaraland (Windhoek)." 



d'Orbigny compares the species with 0. dicella, Bat., from German 

 East Africa. 



Onthophagus dispar, Per., Cat. L, p. 229. 

 0. Icevisutura, d'Orbign., Ann. Soc. Ent. Fr., 1902, p. 204. 



The synonymy is mentioned by d'Orbigny (Ann. Soc. Ent. Fr. 

 1903, p. 297). His examples came from German East Africa. 



Onthophagus asperrimus, d'Orbign., 

 Ann. Soc. Ent. Fr., lxxii., 1902, p. 206. 



incertus, Per., Cat. i., 1901, p. 230. 



dubius, d'Orbign., Ann. Soc. Ent. Fr., 1902, p. 238. 



The description of d'Orbigny is posterior to that of O. incertus, 

 Per., but the name had already been used for an Asiatic species in 

 1898. O. asperrimus was originally described from German East 

 Africa. 



Onthophagus pr^etortus, Per., 



Plate XLVIIL, figs. 10, 11, 12. 



Ann. S. Afric. Museum, iii., 1904, p. 220. 



Dark coppery-bronze, very little shiny, antennas dark bronze 

 with the club black ; clypeus semicircular, but slightly obtuse in 

 front and with the margin very slightly reflexed, deeply punctate 

 with the punctures coalescing along the margin, deeply depressed in 



