252 Mr. O. E. Janson's Notices of 



pale fulvous, shining, a large oval discal patcli green, a central 

 impressed longitudinal stripe, a spot on eacli side close to the 

 anterior angles and a short stripe near the lateral margins for 

 about half their length from the posterior angles, white. 



Scutelhini with scattered punctures at the sides; shining green, 

 an impressed central longitudinal line, Avhite. 



Elytra somewhat dilated about the middle, the suture and 

 two longitudinal carina on each strongly raised and with scat- 

 tered fine punctures, the interstices and sides very coarsely and 

 shallowly punctured, the apex strigose ; pale fulvous, shining. 



Piigidhim convex, transversely strigose ; pitchy-black, with 

 a sub-ovate white spot on each side. 



Beneath greenish-black, shining, with large patches of white 

 at the sides ; mesosternal process narrow, apex acute, fulvous ; 

 abdomen with a transverse white stripe at the sides of each 

 segment and a row of spots in the central depression ; legs 

 fulvous, the femora with a longitudinal white stripe on their 

 outer side. 



The female is rather broader than the male, Avith the teeth 

 on the anterior tibi^ obtuse, and the al)domen convex without 

 the central spots. 



Angola. 



Several sj^ecimeus of this distinct httle species were given to 

 me by the late Dr. Welwitsch who found it in considerable 

 numbers ; it is most nearly allied to G. graeilis, O. Jauson. 



Gnathocera gracilis, n. sp. 



G. pallide fulva, uitida ; caj)ite viridi, vitta utriuque, maculis- 

 que duabus basalibus albis ; thorace antice viridi, vittis tribus 

 albis ; scutello la3vi. Long. 12^— 14 mm. 



Head fiftely and closely strigose, the base with scattered punc- 

 tures, sides of clypeus elevated and sinuous, the apical points 

 acute and nearly straight, anterior margin slightly prominent in 

 the centre ; dark green, a spot on each side at the b/7se close to 

 the eyes, and a longitudinal stripe on each side of the clypeus 

 white, antenna pitchy. 



Tliorax gradually narrowed from the base, the disc finely 

 punctured, the punctures coarser and confluent at the sides ; 

 fulvous, shining, the disc and apex green, a central impressed 

 longitudinal stripe and one on each side close to the lateral 

 margins, extending from the base to the apex, white, 



