ZOSTEROPS. 171 



anterior margin of eye ; yellow 

 confined to the entire forehead, jacksoni. 

 c 3 . Under parts uniform whitish yellow. 



c 4 . Smaller; wing 20 (Prince's Is.) . . ficedulina. ' 

 /*. Larger; wing 2-5 (Annobon Is.) . . griseovirescens. I 

 b • . Breast not yellow and contrasting strongly 

 with the throat. 

 d 3 . Sides of breast strongly shaded with 



sandy rufous and no grey pallida. I 



e 3 . Sides of breast greyer. 

 g i . Duller (Africa). 



i 5 . Above bright yellowish green ; 

 general plumage darker. 

 g a . Smaller; wing 2-3 ; less yellow 



on forehead (S. Africa) . . . capensis. 





li 6 . Larger ; wing 2-5 ; forehead 



bright yellow (N. E. Africa) . poliogastra. | 

 k 5 . Above more ashy olive ; general 

 plumage paler and duller (N. B. 



Africa) abyssinica. 



/i 4 . Brighter. 

 Z 5 . No yellow on the breast. 



i 6 . No yellow on the forehead . . madagascaricnsis. 

 k 6 . Sides of forehead yellow. 

 a 7 . Larger ; wing 2-2 ; throat 

 and under tail-coverts deep 



yellow anjuancnsis. 



b 1 . Smaller; wing 2-05; throat 

 and under tail-coverts very 



pale yellow comormsis. 



m 6 . Some yellow on chest and centre 



of abdomen aldabrensis. 



b 1 . Throat not yellow; some yellowish green 

 on the upper parts. 

 c-. Back of neck and mantle yellowish green ; 



crown black olivacea. 



d 2 . Crown, back of neck and mantle slaty 



grey chloronota. 



b. No yellow on the plumage ; crown like the 

 back. 

 c 1 . Above brown, a white line from the nostril 



to the eye (Seychelles) modesta. 



d 1 . Above grey ; no white line from the nostril 



to the eye (Madagascar) hovarum. 



