1896.] of the Coleo]jtera of South Africa. 401 



the vertex, only the posterior part smooth ; prothorax smooth on 

 the disk, with faint longitudinal plicae between the base and the 

 transverse apical line which is almost obsolete, the lateral part is 

 roughly sinuate in the anterior part, the outer margin is slightly 

 recurved, and there is a deep infra-marginal groove with rough 

 broad irregular punctures, on each side of the basal transverse line 

 is a small depression ; elytra truncate at the base with the humeral 

 angles not projecting, parallel laterally from the shoulder to nearly 

 the apex, depressed in the dorsal part, with the lateral parts sloping, 

 almost abruptly retuse behind, punctato-striate, with the first four 

 intervals either plane and smooth or very slightly convex, the 

 other four sharply carinate, with the intervals roughly punc- 

 tured from the base to a little short of the posterior declivity, 

 which is thickly granulate, the intervals stop a little above the 

 declivity, the eighth one overhangs only in the anterior part the 

 outer margin which is slightly sinuate near the median part, 

 no apparent setigerous punctures ; anterior tibiae strongly and 

 widely digitate, there being a very small space between the third 

 digit and the base of the tibia, intermediate ones with a long spine 

 and a very broad ciliate groove on the outer margin, the posterior 

 ones, also with a long spur, very broadly inflated outwardly in the 

 median part, and with a moderately broad groove, thickly ciliate ; 

 abdominal segments with hardly any trace of any median punctures,, 

 segments either smooth or slightly granulose, the last one always 

 roughly plicate or rugose, anal punctures with a very short 

 bristle, and often undistinguishable. Length 31-39 mm. ; width 

 10-121 mm. 



De Chaudoir has described, under the name of P. afer, a variety 

 of fortipes differing from the latter merely in being a little smaller 

 and in having the juxta-sutural intervals of the elytra less raised and 

 more smooth ; this occurs also, however, in fortipes, as a very long 

 series of examples from N'Gami and Damara lands have shown me ; 

 but I must state that all the examples of fortipes found in the 

 Cape Colony have the median part of the disk smoother than, 

 examples from further north. 



Hah. Cape Colony (Fraserburg, Griqualand West, Cradock,, 

 Namaqualand), Damara and Ovampo lands. 



Gen. ACANTHOSCELIS, Latreille, 

 Consid6r. g6n6ral, p. 239. 

 Dej., Spec. Col., i., 1825, p. 402. 



Mentum twice as broad as long, moderately excavate, and having a. 

 broad triangular median tooth, inner lobe perpendicular nearly to 

 the height of the median tooth, then produced almost horizontally to 



