Smithsonian Report, 1910. — Duerden. 



Plate 2. 



1. A Group of Chicks About 5 Months Old, 

 Showing the Mottled Character of the 

 Chick Plumage. 



Each body feather is tapering and light brown at the 

 tip, while the rest of the feather is diirk gray. 



2. Spadonas or Spads, the First Wing Quills of the 

 Chick, Clipped at About 6 Months. 



The middle one still bears the natal leather at its tip. 



