CoJeoptera from East Africa. 41 



plus mimisve infuscatis, clavis femorum subtus nigris ; anteniris 

 rufo-hrunneis, apicibus articuloruui iufuscatis, articulo 1° antice 

 ad apicem fortiter angulato. 

 Long. 25, lat. 5| mm. 



Hah. Uganda {Dr. W. J. Ansorge). One female specimen. 



Head, prothorax, and underside of body reddish brown in 

 colour, the two former with a thin greyish pubescence, which 

 on each side of the pronotum is condensed to form two seri- 

 ceous spots — one larger, on the dilated middle region, the 

 other smaller, placed close to the anterior margin. Pronotum 

 with a deep arcuate impression anteriorly, and with two 

 shallow oblique depressions on the disk. Elytra bone- white 

 in colour, but marked with a large number of small rounded 

 fuscous spots, from which the anterior sixth of the disk is 

 free with the exception of a single spot close to the base of 

 each elytron ; the side of each elytron for some distance from 

 the base and the apical border are dark brown in colour ; 

 apices sharply rounded, but not spined ; the surface of the 

 elytra presents a number of minute granules, each of which 

 bears a short seta, while close to each granule is a small 

 shallow puncture. 



This species of Xystrocera may be easily recognized by 

 the peculiar and unusual colour of the elytra. 



Margites li?ieatus } sp. n. 



Eufo-piecus, griseo-fulvescente subtiliter pubescens ; elj-tris utrinque 

 lineis quatuor vel quinque denudatis notatis ; protborace rugoso- 

 granulato ; antennis ( <$ ) quam corpore rrmlto longioribus, ( $ ) 

 corpore lcmgitudine aiqualibus, articulis 3° 4°que ( <5 ) apice in- 

 crassatis, b° quam 1° vel 4° sesqui-longiore ; elytris apice rotun- 

 datis. 



Long. 11-17, lat. 3-4 mm. 



Hob. Samburu, Brit. E. Africa (C. S. Be(to?t), and Mur- 

 chison Range, Transvaal (C R. Jones). 



This species is allied to Margites humilis, Gain, from which 

 it is to be distinguished by the less close and less silky pubes- 

 cence of the elytra and the four or five denuded lines which 

 run along each elytron (these lines are, however, only well 

 seen in fresh and unrubbed specimens). The antenna} also 

 are longer ; the third joint is half as long again as the first, 

 the fourth is scarcely longer than the first, the fifth equal in 

 length to the third, the sixth and succeeding joints subequal 

 to one another, each longer than the fifth. 



