( 152 ) 



44. Melanopolia catori spec. iiov. 



?. Black aud white like the others. Third segment of antenna not clubbed, 

 segments 4 to 10 slightly grey at base, not distinctly white as in frenata. Vittae 

 of jironotum parallel, not routiniioiis with the belt of the head. Elytra sparsely 

 marked with white; a few ^pols at and behind shoulder, ou disc at basal fourth, 

 along suture, and at apex, a larger patch at ajiical third touching lateral margin. 



8cape of antenna much longer than in the other species, reaching beyond 

 middle of prothorax, asj long as the third segment. Elytra more minutely 

 punctured behind, rounded Icgether at apex, each being very feebly and obliquely 

 truncate. 



Length, 18 mm.; elytra, 1~ mm.; breadth, 6 mm. 



Hab. Sierra Leone (D. Cator). 



One ?. 



4.5.2Bixadus aparus spec. nov. 



? . Black ; ^pubescence clayish grey on frons and underside, whitish grey above; 

 a mesial patchjon frons, a divided spot between antennal tubercles, middle of scape 

 and ajiices of the other antennal segments, pronotal callosities, and the greater part 

 of the legs, fuscous ; scutellum ochraceons ; bristles at apices and incisions of tibiae 

 also yellowish ; a lateral sjiot on occiput, a C-shaped mark at base of each elytrum, 

 a jiatch before each Ja] ex including dots of grey pubescence, and numerous dots 

 dispersed over the^elytra, black ; tarsi black above, thinly grey pubescent. 



Frons broader than high, with a few punctures in centre and at eyes, a jiatcli of 

 punctures between antennal tubercles ; these tubercles shorter and more obliijue 

 than in sicrricold. Lower lobe of eye transverse ; cheek very narrow ; up])er lobes 

 wider apart than m'sierricola. Scape of antenna short, two and a half times as long 

 as apically broad ; third segment half as long again as fourth. Prothorax shorter 

 than in sierricola, irregularly punctured all over, the punctures seriate here and 

 there, none in and near middle line : subapical sulcus not sharply impressed ; a 

 mesial de})ression bordered at each side by a transverse callosity; mesially impressed 

 at basal constriction, the impression black ; side-spine larger than in sierricola and 

 a little more frontal in position. Elytra parallel from shoulder to apical declivity, 

 each rounded at apex, a little less flattened at suture than in sierricola ; rather 

 finely punctured from base to near apex ; base granulated from scutellum to 

 shoulder. Metasternum and abdomen with black punctures at sides. 



Length, 22 mm. ; elytra, 16 mm. ; breadth, 7 mm. 



Ilab. Victoria, Camcroons (Voss). 



One ?. 



Pascoe {Proc. Ent. Soc. Loud. 1868. p. 12) separated Bixadus sierricola from 

 Monocha7nus on account of the short legs, the incrassate femora, the declivous pro- 

 and mesosternum, the large eye, and on account of the third and fourth antennal 

 segments being equal in length. The new species agrees with Pascoe's diagnosis 

 except in the third segment of the antenna being much longer than the fourth. 



Acridocephala (1865) Chevr. 



I know five species of this genus. They are all closely allied except the last, 

 but can easily be distinguished as follows : — 



