124 M. L, Peringuey s Fourth Contribution [March 30,. 



d'planato ; elytris elongatis, parallelis, deplanatis leviterque striatis ; 

 tibiis totis apice valde deplanatis mediis posticisque externe acute 

 dentatis. 



Long. 15-19, lat. 7-8i mm . 



Black, moderately shining, hairless ; head punctulated with a deep 

 transverse impression, epistome arcuated, incised in the centre with 

 two sharp short spines on each side of the dent ; prothorax with the 

 sides rounded and the anterior half broader than the posterior, finely 

 punctured, depressed ; elytra less broad than the prothorax, nearly 

 parallel, rounded behind, depressed and finely striated ; anterior 

 tibiae broadly dilated at the apex, and with an obtuse tooth inwardly, 

 the intermediate and posterior acutely rugose, dilated at the apex with 

 a sharp tooth outside and a blunt one inside, the posterior ones are- 

 also sub-falcate. 



A very distinct species. 



Damaraland (Walfish Bay), and Kalahari Desert. 



Tribe : MEGACANTHID^. 

 Gen. Hoplonyx. J. Thoms. 



H. VICINUS. 



Oblongus, niger, sub-nitidus, capite vertice a?igusto, punctilio to ; 

 prothorace brevi, lato, sub-deplanato, tenuis si me punctulato ; elytris 

 modice convexis, elongatis, postice rotundato-acuminatis, striato- 

 punctulatis ; femoribus anticis apice dente valido armatis. 



Long. 13, lat. 7 mm . 



Oblong, black, moderately shining; head with the ante-ocular 

 ridges not much developed, eyes separated only by a small line, vertex 

 triangular and narrow ; prothorax short, broad, little convex, very 

 faintly punctured ; elytra broader than the prothorax, parallel,, 

 rounded and a little acuminated behind, moderately convex, striated, 

 with the striae closely punctured and the intervals smooth ; antennae 

 and tarsi slightly pubescent. 



Closely allied to H. ingratus, Per. ; differs in the sculpturing of the 

 head ; the eyes are much nearer to one another and the vertical space 

 is short and triangular ; the ante-ocular ridges are not so developed, 

 and the thorax and the elytra are broader. 



Transvaal (Rustenburg). 



