South African Coleopterous Fauna. 189 



A. <nts2nc<itiix ; A. re.rator. 

 B'. Inner spur of anterior tibiae simple. 

 4 . Tarsi pluri-sulcate. 



It-. Fifth joint of hind tarsi glabrous underneath. 

 A. cint'ridiit ; A. divcrsun; A. Itttttits; A. dilucidus ; A. iiiiiiutx ; A. jucundulus ; 



A. Hcn-inditx. 

 n '. Tarsi silicate on each side only. 



If. Fifth joint of hind tarsi glabrous underneath. 



A. malvernensis. 

 <( 2 . Tarsi sulcate outwardly only. 



lr. Fifth joint of hind tarsi glabrous underneath. 



A. I'ertariiis. 

 }>'. Fifth joint of hind tarsi setulose underneath. 



A. optiiims ; A. chtniit. 

 a 1 . Tarsi not sulcate. 



b 2 . Fifth joint of hind tarsi not setulose underneath. 

 A. discrepans ; A. entlsti* ; A. shilouvanus ; A. iiuijiiinix ; A. ejf'ulgens. 



A 1 . Prothorax, elytra, and legs villose ; striae of elytra punctate. 



: . Tarsi not sulcate. 



A. julidtitlitx ; A. piloxi 



ABACETUS AUSPICATUS, n. sp. 



Black, shining, the base of the four first joints of antennae nar- 

 rowly rufescent at the hase, palpi piceous or piceous-red ; frontal 

 impressions deep ; prothorax regularly arcuate laterally from the 

 anterior angle to two-thirds of the length, and slanting thence to 

 the posterior angle which projects as a minute tooth, the outer 

 margin is narrowly reflexed from apex to base, the juxta-marginal 

 sulcus is fairly deep, but slightly narrower as it approaches the 

 outer angle of the base which is plainly narrower than the apex 

 and narrowly grooved along the margin, the two basal impressions 

 are long and deep, the median basal part between these two impres- 

 sions is plainly punctulate, the well-marked median longitudinal line 

 is plainly deepened in the basal part, the disk, which is broadest 

 across the median part, is very little convex in the anterior, and the 

 sides of the posterior are not reflexed ; elytra oblong, twice as long 

 as the prothorax, with the shoulders slightly curving and aculeate, 

 deeply striate with the intervals raised bitt not tectiform, the third 

 with the setigerous puncture about median ; pro- and metasternum 



