1892.] to the South African Coleopterous Fauna. 33 



'laterally and with a distinct longitudinal ridge, separated from the 

 ■head by a laised line ; pro thorax short and moderately convex, closely 

 •but not deeply punctured ; elytra convex, faintly striated and covered 

 with punctures ; underside pale-red, smooth, irregularly punctured. 



145. T. moerens. spec. nov. 



Breviter ovatus, convexissimus, nigro-micans, glaber, antennis 

 ,/lavis ; capite prothoraceque crebre punctulatis ; elytris striatis, 

 ' interstitiis fere levlbus. 



Long, 7—8, lat. 5—6 mm ' 



Black, iridescent, very convex ; clypeus narrowed with the apical 

 and lateral margins reflexed, a semi-circular ridge separating it from 

 4he vertex, and with a small raised line reaching from the apex to the 

 vertex ; pro thorax short, very convex and finely and closely punctured 

 like the head and clypeus ; elytra very convex, almost gibbose, 

 narrowly striated, with the interstices very finely punctured, the 

 punctures smaller than those of the head and prothorax ; underside 

 • reddish-black, smooth, finely punctured. 



Resembles much T. obtusus, Fahr. in colouring, but it is much 

 more convex, the striae are not so deep, and the punctures are fainter 



Recorded from the Zambeze River. 



146. T. plagiger. spec. nov. 



Ovatus, convexus, ameo-niger, glaber, elytris flams, bast, sutura, 

 i lateribus plagaque dorsali rotundata in singulo nigris, 

 Long. 6—7, lat. 4— 4| mm . 



Ovate, convex, head and prothorax coppery-black, shining, closely 

 and regularly punctured; scutellum black ; elytra striated with the 

 intervals broad and closely punctured, yellowish, with the basal, outer 

 and apical margins and the suture black, and a round discoidal patch 

 of the same colour on each elytron ; legs reddish black, antennae and 

 v palpi yellow. 



A very distinct species. 



147. T. rufovittatus. spec. nov. 



Sub-ovalis, parum convexus, jiiger, metallico-micans ; elytris 

 striatis, interstitiis grosse punctatis, vitta longitudinali lata, flavo-rufa 

 *a basi ad apicem ducta in singulo orna.tis. 

 Long. 4—5, lat. 3^— 4 mm . 



D 



