( 135 ) 



8. Leptoeme acme spec. nov. 



?. Like xantha, bnt the antenna (except tip of scape), base of tibiae ami tlie 

 tarsi Inteous ; apex of femora also more restricted black. 



Fonrlh segment of antenna a little longer than fifth. Prothorax very densely 

 granulated, rounded at sides, broader than long. Elytra densely punctured, but the 

 anterior edges of the punctures not elevate in basal half ; apex produced into a 

 short spine. 



Length, ? , 12 mm. 



Hah. Lolodorf, Cameroons. 



One ?. 



9. Xystrocera pulchra spec. nov. 



?. Head and prothorax glossy magenta-purple; antenna black; legs and 

 abdomen ferrnginous ; raeso-metasternum black, more or less tawny at sides, clothed 

 with a yellowish grey silky pubescence like sides of abdomen ; scutellum and elytra 

 bluish green, the latter velvety at suture and outer margin. Front of head coarsely 

 and densely granulate. Pronotum granulose at sides and behind apical margin, 

 smooth in middle, at base, and laterally in apical depression. Scutellum with very 

 few granules. (Jranulation of elytra very dense at suture and sides from near base 

 to near apex, the granules rounded. Hindtibia slightly and qnite gradually widened 

 from base to apex. 



Length, 23 mm. 



Ilab. Benito, French Congo. 



One ?. 



10. Margites sulcifrons spec. nov. 



? . Pitchy black, legs and antenna rufescent ; pubescence short, grey, slightly 

 huffish on the elytra ; palpi Inteous. 



A deep mesial sulcus between antennal tubercles and npper lobes of eyes, 

 abruptly terminating. Antenna a little longer than the body ; third segment nearly 

 twice the length of the second and as long as fifth. Prothorax rounded-dilated at 

 sides in middle, and again before middle ; no snbbasal and subapical transverse sulci 

 above, no transverse wrinkles, the notum being densely grannlate-rugulate, the thin 

 mesial wrinkles longitudinal ; a smooth mesial groove behind middle. Elytra with 

 a feebly raised mesial line and a trace of a second raised line between it and suture ; 

 apex rounded singly, faintly truncate. Prosternnm rugulose ; intercoxal process 

 broad, not taberculate behind. Mesosternal process very broad, being wider than 

 the coxa. Metasternum and abdomen minutely and densely punctate-rugulate. 

 First segment of hindtarsus longer than in M. humilis and liiieatus. 



Length, 18 mm. ; elytra, 13 mm. ; breadth, 4 J mm. 



llalj. Angola (Penrice). 



One ?. 



11. Derolus dilatatus (1856) Chevr. 



Chevrolat described this species from the c? only. 



?. Pitchy black, antenna and legs brick-red; elytra pale brick-red, with a 

 limbal and an abbreviated sutural vitta black, the latter dilated behind ; jiubesceace 

 silky, grey below, yellow above, forming two vittae on pronotum, dense on 

 occiput. 



