two new African Birds. 47 



b*. Feathers of the chin and throat not 

 lanceolate, and with no spots on the 

 chin. 

 i'. With no black on the sides of the 

 head. 

 6*. The white spots on the throat 

 and chest rounded, and more 

 confined to the tips of the fea- 

 thers ; crown paler, the dark 

 centres to these feathers being 

 narrower and more lanceolate ; 

 the dark centres to the feathers 

 of the mantle very obscure ; 

 the ear-coverts and cheeks ge- 

 nerally brown 3. plehems, Cretzschm, 



c'. The white spots on the throat 

 and chest not so rounded, but 

 inclining to form white mar- 

 gins to the feathers ; crown 

 darker, the pale edges to these 

 feathers being more or less ab- 

 sent ; the dark centres to the 

 feathers of the mantle more 

 distinct ; the ear-coverts more 



ashy grey A.'^platycercua, Swains. 



c'. With some black on the sides of 

 the head. 

 c^. Black on head confined to the 

 space in front of the eyes and 

 a narrow edging to the sides 

 of the forehead. 

 c', Underparts paler ; with no 

 brownish-black centres to 

 the feathers of the throat . . '^- ^^'^'^^'P'^ Hartl. 



I 6. hi/postictus, Cab. & 

 d''. Underparts darker ; with [Reichen. 



brownish-black centres to 

 the feathers of the throat; 



chin white 7. tenehroaus, Hartl. 



d^. Ear-coverts black, and with. 



black on the forehead. 



d''. Forehead and crown uniform 



black ; with black centres to 



most of the feathers of the 



throat 8. reinwardii, Swains. 



