PCEOCEPHALUS 



223 



Key of the Genera. 



A. Nostrils exposed, placed in the middle of a 



wide and swollen cere Pceocephalus, p. 223. 



B. Nostrils concealed by feathers at the inner 



edge of a very narrow cere Agapornis, p. 231. 



Subfamily I. PIONIN^E. 



Tail short and broad, square or rounded, usually about half 

 the length of the wing ; bill moderately strong ; upper mandible 

 usually notched and always with the palatal portion of the hook 

 furnished with a file- like surface ; cere surrounding the whole base 

 of the bill, swollen in front of the nostrils and always naked ; wings 

 with the second, third, and fourth primaries generally the longest ; 

 general colour mostly green. 



Genus I. PCEOCEPHALUS. 



Type. 



Poicephalus, Sicains. Class. B. ii, p. 301 (1837) P. senegalus. 



Pceocephalus, Strickl. Ann. Mag. N. H. vii, p. 34 



(1841) ' 



Bill stout and strong, the under mandible deeper than long, 

 edge of the upper mandible notched, the under or palatal surface 



FIG. 75. Wirg of PceccezJialusfuscicapillus frcm below, x r. 



of the hooked anterior portion roughened and file-like ; cere 

 naked and swollen, the nostrils well within its limits ; wing long 

 and pointed, the second and third primaries equal and longest, the 

 first and fourth rather shorter. About fourteen species of this 



