1896.] of the Coleoptera of South Africa. 377 



very slightly convex laterally, outer margin with a series of deep 

 punctures a little interrupted in the middle, third interval with a 

 puncture in the posterior part ; under side smooth, shining, the four 

 last abdominal segments with two deep median punctures near the 

 lower margin. Length 16-17 mm. ; width 5-5-|- mm. 



Hab. Mozambique (Eikatla), occurs also in Senegal, Gaboon, 

 Abyssinia, and the Zanzibar mainland. 



Gen. STEEEOSTOMA, Murray, 

 Ann. & Mag. Nat. Hist., ser. 2, xix., 1857, p. 448. 

 Stereodema, Chaud., Ann. Soc. Ent. Belg., 1872, p. 21. 



Mentum transverse, deeply emarginate, lateral inner part of the 

 lobes concave with the median part acutely carinate, and the outer 

 edge of the median part of the mentum with a short sharp tooth ; 

 ligula broad, horny, semicircular at the tip and bearing two short 

 setae ; paraglossas slender, sublanciform, disconnected from the 

 ligula ; palpi short, thick, the last joint of the maxillary palpi cylin- 

 drical, a little attenuate at tip, that of the labial thickly clubbed, 

 and subtruncate, the penultimate with two setae, maxillae short, 

 not hooked ; antennae short, the three basal joints glabrous, the 

 others thickly pubescent, compressed, as broad as long, the last one 

 elongato-ovate, all the intermediate ones with a glabrous median 

 line above and under ; labrum very narrow ; head elongato-quadrate, 

 eyes projecting, a seta over the hind part of the eye ; prothorax 

 broader than long, a little ampliate in the anterior part with the 

 posterior angles acute, grooved in the centre, with one lateral seta 

 at about the median part and two near the posterior angle ; elytra 

 elongate, parallel, convex, and declivous behind ; legs moderately 

 long ; tibiae carinate on the upper part, denticulate outwardly, the 

 anterior ones dilated at the apex with the inner spur long, curving 

 downwards ; tarsi long, joints triangular, glabrous underneath and 

 with a fascicle of rufous ciliae at the apex, the fascicle longer out- 

 wardly on the two basal joints of the anterior tibiae. 



Hah. Occurs in West Africa (Old Calabar and Eiver Quango). 



Stereostoma coepulentum, Chaud., 

 Ann. Soc. Ent. Belg., 1872, p. 22. 

 S. meridionals, Per., Trans. S. Afric. Phil. Soc, 1892, p. 103. 



Piceous black, redder on the elytra and abdomen ; labrum narrow, 

 truncate, with one setigerous puncture in the outer angle ; epistoma 

 transverse, with one impression on each side and one in the centre; 

 head smooth, with two very deep longitudinal impressions; prothorax 

 broader than long, a little rounded in the anterior part, and a little 

 sinuate behind, slightly convex, with the extreme outer part slightly 



