NATURAL HISTORY SURVEY OF ILLINOIS 



STATE LABORATORY OF NATURAL HISTORY 



STEPHEN A. FORBES. DIRECTOR 



THE 



ORNITHOLOGY 



OF ILLINOIS 



DESCRIPTIVE CATALOGUE 



BY ROBERT RIDGWAY 



VOLUME I 



PUBLISHED BY AUTHORITY OF THE STATE LEGISLATURE 



REPRINT BY 



PANTAGRAPH PRINTING AND STATIONERY CO. 



BLOOMINGTON. ILLINOIS 



1913 



