264 Transactions South African Pliilosophical Society, [vol. xii. 



versely bi-carinate, and with the carinas connected longitudinally on 

 each side; thorax very densely granulate, but with the granules fine, 

 impressed longitudinally in the middle, basal margin inflexedon each 

 side near the middle ; elytra thinly striate, intervals slightly punctate 

 with the punctures sub-seriate ; pygidium convex, punctate, clothed 

 with greyish hairs ; palpi and antennae rufous ; under side and legs 

 greenish black, metasternum obtusely tuberculate in front. 



Length 4-4^ lin." 



Evidently allied to 0. leucopygus, Har. 



Hah. Orange River Colony. 



Onthophagus dedecor, Wallengr., 

 Entom. Tydskr., 1880, p. 21. 



" Black, sub-opaque, slightly pubescent ; head and prothorax 

 closely ruguloso-punctate ; in the former the margin is reflexed, it has 

 two carinse the posterior of which is produced on each side into a sharp 

 horn ; the prothorax is impressed in the middle in front, and in the 

 impression is a moderately high tubercle nearly smooth and obtuse 

 at tip ; elytra slightly striate, intervals plane, roughly and closely 

 punctate ; body underneath sparsely punctate, slightly flavescent on 

 the sides of the pectus, and clothed with long hairs ; abdominal 

 segments briefly pilose ; anterior tibige obtusely quadri-dentate, 

 antennae piceous. 



Length 8 mm. Resembles 0. ohtnsicornis. 



Hah. Transvaal." 



Onthophagus graphicus, Wallengr., 

 Entom. Tydskr., 1880, p. 21. 



" Black, head and prothorax with a sub-coeruleous tinge and 

 roughly punctate, the margin of the former is not sinuate, and is 

 reflexed, and bears no transverse carinae, but is feebly impressed and 

 sub-canaliculate transversely at the base ; the prothorax is even, and 

 has no lateral fovea or callus ; elytra very obsoletely punctato-striate, 

 intervals sub-remotely punctate, flavous, with the suture, a discoidal 

 ante-median spot and an interrupted transverse posterior fascia as 

 well as a very narrow lateral margin black ; pygidium and body 

 beneath more shining ; the former also more closely punctate ; 

 anterior tibiae obtusely quadri-dentate. 



Length 4-5 mm. Similar to 0. liyhridus. 



Hah. Transvaal (Christiana)." 



