THE CONDOR 
ma MCA G A-Z ION E OF 
WESTERN ORNITHOLOGY 
Edited by 
Joseph Grinnell 
Harry S. Swarth 
Associate Editor 
J. Eugene Law 
W. Lee Chambers 
Business Managers 
Volume XXII 
1920 
Published Bi-monthly 
by the 
Cooper Ornithological Club 
Berkeley, California 
