1896.] of the Goleoptera of South Africa. 547 



Black, senescent; first joint of antennae red; femora piceous red; 

 prothorax closely punctured at base ; striae of elytra smooth . . . . chalcites. 



Bronze, shining ; antennse black ; tibiae rufescent ; striae of elytra 

 smooth chalccus. 



Prothorax nearly quadrate. 



Pale brown ; longitudinal median groove of prothorax reaching 

 neither base nor apex parvuliis. 



Abacetus palusteis. 



Black, moderately shining ; head and elytra densely pubescent ; 

 the three basal joints of antennse, the palpi, and the legs piceous 

 black ; head very closely punctured ; frontal sulci hardly defined ; 

 prothorax also finely and closely punctured, a little ampliate in the 

 anterior part, narrowed but not sinuate laterally behind, no trans- 

 verse impression, but the longitudinal median one is well defined, 

 and also the basal one on each side, no puncture in the median basal 

 part ; elytra elongate, parallel, hardly broader at the base than the 

 prothorax, moderately convex, deeply punctato-striate, with the 

 intervals a little convex and very closely punctured ; under side 

 black, shining. " Length 10-11 mm. ; width 4 mm. 



Hab. Mozambique (Eikatla), Upper Limpopo. 



Probably allied to, if not identical with, A. inihescens, Dej., which 

 I know from the description only. 



Abacetus nigrinus, Bohem. 

 Omaseus nigrinus, Insect. Caffr., i., p. 187. 

 Abacetus angustatus, Klug, Eeise n. Moss., p. 43, pi. i., fig. 9. 



Black, shining; the three basal joints of antennae and the palpi 

 piceous red ; head smooth ; frontal sulci arcuate, deep ; prothorax 

 also smooth, rounded in the anterior part, a little narrowed but not 

 sinuate behind, and with the posterior angle moderately sharp, 

 anterior transverse impression little or not defined, median longi- 

 tudinal groove and basal ones well defined, no punctures in the 

 median basal part ; elytra oblong, much broader at the base than 

 the prothorax, striate, intervals smooth, a little convex. Length 

 9-10 mm. ; width 3-3J mm. 



Hab. Zambezia (Upper Limpopo), Ovampoland (Cunene River). 



Abacetus crassicornis. 

 Black, shining ; the basal joint of antennse red ; palpi slightly 

 rufescent ; head smooth ; frontal sulci arcuate, deep ; antennas more 

 massive than in the other species included in the genus, joints 

 flattened, except the four basal ones, and inwardly dilated ; prothorax 

 smooth, rounded in the anterior part, a little narrowed but not 

 sinuate behind, posterior angle moderately sharp, transverse im- 



FF 



