Smithsonian Report, 1 91 0.— Duerden. 



Plate 4. 



1. A Pair of Breeders, Showing the Difference in 

 THE Plumage of the Cock and Hen. 



The neck and head are covered with down and nnifonn hi 

 color, except for the white ring toward the root of the neck 

 in the cock. Theleg-iswliolly devoid of feathers; thelarge 

 scales along the front of the tarsus can be recognized. 



2. A Complete Clipping of "Feminas," the Wing Quills of the Hen, 

 Distinguished by the Black Patches at the Crown of the Plumes. 



