122 Tranmctions Soutli African niilosophical Socielij. [vol. xii. 



Prothorax granulose, anterior tibite not dilated inwardly 

 and having the basal outer tooth widely separated from 

 the others ; clypeus of ? triangular dcccptor. 



Intermediate tibiw broadly dilated inwardly, inter- 

 mediate femora deeply incised beneath, posterior 

 femora serrulate at base, not dentate. 



Prothorax punctate, tubercle on the vertex of the 



head grooved transversely rohnstus. 



B'. Mucro of anterior tibire short, blunt, and densely ciliate at 

 tip. 

 C. Head with a tubercle on the vertex. 



rt'. Anterior tibite long, slender, and with a sharp carina 

 beneath produced in a triangrilar tooth at or near the 

 base, body depressed. 



Intermediate femora with two arcuate teeth beneath 

 facing one another ; posterior ones armed with a 

 long sub-horizontal spine on the iipper side, and a 

 thicker but equally long one on the lower side . . . . invcrsidens. 



Intermediate femora serrulate beneath, posterior 



ones with a sharp, sub-median tooth ab>jssinlciis. 



Intermediate and posterior femora simple ; posterior 

 tibice compressed in a thin, remiform lamina, rounded 

 externally orthopus. 



Onitis castelxaui, Hai-., 

 Plate XXXIY., figs. 3, Sa ; Plate XXXYIIL, fig. G. 

 Bevl. Ent. Zeitsch., 1862, p. 401. 

 Black, with a faint greenish tinge, elytra moderately shining ; head 

 very rugose, palpi and antennic reddish brown, clava siib-flavescent; 

 prothorax large, one-fourth longer than broad, roughly and deeply 

 punctate in the centre of the anterior part, and with the punctures 

 scabrous, the sides and posterior part are covered with slightly 

 oblong granules, there is a median longitudinal depressed line and 

 two diagonal and very conspicuous impressions in the centre of the 

 base which is very much produced triangularly in the centre; 

 scutellum elongate, smooth ; elytra sub-parallel, depressed, deeply 

 but very narrowly striate ; the striae are edged on each side 

 by a very fine line, and are faintly punctured; intervals slightly 

 punctulate, first, third, and fifth sharply raised, tectiform, second 

 and fourth broad or slightly raised in the centre, sixth and seventh 

 very narrow, carinate, eighth as broad as the third and edged by a 

 very sharp carina, the discoidal part is glabrous, and the declivous 

 part pilose ; under side clothed with dense, fulvous hairs ; pygi-dium 

 transversely plicate and slightly granulose. 



