96 



Proceedings of the Biological Society of Washington. 



Zosterops subatrifrons Meyer and Wiglesworth from Peling Island is 

 described 1 as having the throat clearer yellow and the breast whiter than 

 in Zosterops atrifrons atrifrons, while in the present race the reverse is the 

 case. 



A series of males of the two forms average as follows: 



Ten Zosterops a. atrifrons. 

 Eight Zosterops a. surda... 



Culmen. 

 10.2 

 11.1 



l Birds Celebes, 2, 1898, 490. 



