PLOCEIN^ 291 



c^. Bill more slender ; throat not black 

 in the females, 

 e^. Tail more than half the length 

 of the wing ; first primary reach- 

 ing beyond the end of the under 

 wing-coverts. 

 a^°. Sexes, with the exception of 

 the throat, similar ; back and 

 closed wings uniform green- 

 ish ; bill slender ... . Hijphanturgus. ? i ; 

 b'^°. Females with no black on the 

 head ; males with black on 

 sides of head, never confined 

 to a band through the eye. 

 a^^. Bill more slender .... Sitagra. ' -- 



fell. Bill stouter Hyphantornis. j „ ., 



/". Tail only half the length of wing ; 

 first primary falls short of the end 

 of under wing-coverts .... Brachycope. 

 d'^. Bill extremely stout ; both sexes, in 

 full plumage, have the sides of head 

 and the upper throat black ; crown 

 yellow in males, black in females . Pachyphantes. 

 cV. No black on throat in either sex. 

 c®. Ear-coverts or sides of head black 

 in full plumaged males. 

 cj^. Abdomen and under tail-coverts 



clear yellow or white Othijphantcs. 



h'-> . Abdomen grey ; under tail-coverts 



chestnut Nclicurvms. 



/®. Ear-coverts or sides of head never 

 black. 

 i^. Abdomen and under tail-coverts 

 clear yellow or white ; tail 



slightly more rounded .... Xanthophilus. r^- j "^ 6 / 

 Tc^. Abdomen and under tail-coverts 

 never clear yellow nor white. 

 ci°. Abdomen and under tail- 

 coverts white brown ; bill 



stouter Ploceus. 



rfi". Abdomen red or pale ashy 



olive ; nostrils more basal . Foudia. ; 



