110 M. L. Peringuey's Fourth Contribution [March 30, 



Family : PHALACRIDJE. 



Gen. Olibrus. Erichs. 



O. CONSANGUINEUS. 



Rufo-ferrugineuS) nitidissimus, elytris convexis levibus, pallid? 

 /iavis, sutura infuscata utrinque obsolete striata, subtus pubescens. 



Long. 2, lat. l^ mm . 



Light rusty-red, very shining, antennae with the clava pubescent,. 

 head and prothorax smooth, the latter very convex ; elytra almost 

 gibbose, smooth, with a very faint stria on each side of the suture, 

 very pale-yellow, with the suture infuscated, or yellowish-brown, 

 generally with a triangular dark patch round the scutellum ; under- 

 side and legs briefly pubescent. 



Resembles much 0. corticalis. Panz. 



Cape Colony (Robben Island). 



G-en. Lithocrus. Erichs. 



L. PROMONTORII. 



Viridi ceneus, nitidissimus, antennis pedibus corporeque subtus 

 nigris ; elytris convexis simis, levissime punetato-striatis. 



Long. 3^-4, lat. 2 mm . 



Greenish bronze, very shining, antennas slightly pubescent, black, 

 with the two basal articulations slightly reddish ; prothorax very 

 convex, smooth, elytra almost gibbose, finely striated, with the striae 

 faintly punctulated, underside black with a slightly greenish tinge 

 and covered with a very short, flavous tomentum. 



The first joint of the posterior tarsi is not very long in this 

 species ; the spurs of all the tibiae are very distinct, and the shape 

 of the antennae is that of Phalacrus. In general fa.cies and colouring 

 it much resembles Olibrus capensis. Guer. 



Cape Colony (Cape Town,) Natal (Zululand). 



