Smithsonian Report, 1910. — Duerder 



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 dark gray. 



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

 Chick, Clipped at About 6 Months. 



Tlie middle one still lienrs the natal feather at its tip. 



