1896.] of the Colcoptera of South Africa. 421 



of maxillary and labial palpi plurisetose, fusiform and somewhat acute 

 at the tip ; mandibles, labrum and head of Harpalus, but the joints 

 of the antennae from the fourth are submoniliform, and the last one 

 ovate ; the supra-ocular seta is placed behind the eye ; prothorax 

 subcordiform, truncate at the base, posterior angles distinct ; elytra 

 subparallel, with the base straight and the humeral angle hardly 

 rounded ; legs moderately long, tarsi slightly pilose underneath, 

 tarsi narrow not dilated. 



Ageiodus simplex. 



Totally rufous brown, with the apex of the mandibles black ; head 

 smooth, the two basal joints of antennae and the greatest part of the 

 third are glabrous, the others only slightly pubescent ; head quite 

 smooth ; prothorax ampliate in • the anterior part and narrowed 

 behind, subcordiform, with the base nearly straight, broadly im- 

 pressed laterally behind, and aciculate all along the base ; elytra 

 broader at the base than the prothorax, parallel, with the humeral 

 angle very slightly rounded, narrowly striate, with the intervals a 

 little convex, the third one without any puncture. Length 9 mm ; 

 width 3 mm. 



Hab. ? Damaraland. 



Gen. CEATOGNATHUS, Dej., 

 Spec. Col., iv., p. 46. 

 Cyphogenius, Chaud., Bull. Mosc, 1843, p. 395. 



Mentum broad, deeply emarginate, median part straight, outer 

 sides of the lobes much rounded ; ligula very narrow, plurisetose, 

 and with a very long seta on each angle ; paraglossse lobate, broader 

 than the ligula and longer ; last joint of palpi slender, a little swollen 

 outwardly, straight inwards, extreme apical part truncate ; labrum 

 long, narrowed in front, incised in the centre, sometimes almost 

 lobate, and with three long setae on each side of the incision ; 

 mandibles much developed, the right one either with a median inner 

 tooth or the two pluridentate ; antennae very slender ; head broad 

 in both sexes, with two deep round impressions above the epistoma ; 

 prothorax short, broad, a little attenuate behind ; elytra a little 

 broader than the prothorax, truncate at the base, subparallel, hardly 

 convex, striate, with the intervals smooth, the third one with one 

 puncture in the posterior part, the eighth stria sinuate in the middle; 

 anterior and median tarsi of the male moderately dilate, the three 

 intermediate joints cordiform and densely squamulose, the fourth 

 joint elongate and without squamulae underneath. 



The original diagnoses of this and the following genus are very 



