162 Transactions Sutilli African r]iiloso2)]iical Society, [vol. xii. 



Head without frontal carina or basal impression ; whole 



surface black planatus. 



D'. Clypeus emarginate, recurved. 



Head without frontal carina, but impressed in the 

 centre ; prothorax and elytra flavescent and variegated 

 with very dark brown pictus. 



B'. Median part of prosternum visible. 



C^. Prothorax sub-gibbose in the anterior part. 



Head with no well-defined frontal carina in the c? ; ? with 

 two clypeal ones ; colour flavescent, variegated with bronze 

 irregular patches, two of which are well-defined in the 

 centre pallipes. 



Head with a transverse clypeal carina and a triangular 

 apical one in both sexes ; colour flavescent ; prothorax 

 witli three very distinct bronze patches triancjvlatus. 



Head with a frontal and basal carina, the former rex^laced 

 in the c? by a short, cylindrical horn ; colour flavescent, no 

 bronze patches on prothorax nasicornis. 



A\ Prosternum without any intercoxal process. 



Prothorax bi-tuberculate at apex. 



Head with a clypeal and frontal ridge ; colour dark bronze ; 



elytra variegated with small flavescent patches militaris. 



Oniticellus egkegius, Klug, 



Monatsb. Berl. Ac, 1855, p. 652. 



Peters' Eeis. n. Mossamb., 1862, p. 225, pi. xii., fig. 15. 



Glabrous ; head and prothorax dark blue, elytra black, both pro- 

 thorax and elytra with a broad, flavous metallic band, under side and 

 legs flavous ; head as long as broad, slightly emarginate in the 

 anterior median part of the clypeus, basal part with three short, 

 parallel, longitudinal ridges in the male, and an ovate, transverse, 

 impression with a short, small ridge, or rather a faint, elongate 

 tubercle in the female, the gena3 do not project beyond the lateral 

 part of the clypeus, and the surface is covered with shallow punc- 

 tures ; prothorax elongate, one-third longer than broad, a little 

 attenuate laterally in the anterior and posterior parts and slightly 

 ampliate past the middle, depressed on the upper side, finely aci- 

 culate, and having a median longitudinal impressed line reaching 

 from the median part to the base ; scutellum distinct, smooth ; 

 elytra not longer than the prothorax, not quite as broad at the 

 base, gradually attenuate laterally, sinuate behind the humeral part 

 and not quite covering the episterna of the metathorax and the 



