NATURAL HISTORY SURVEY OF ILLINOIS, 



STATE LABORATORY OF NATURAL HISTORY, 



S. A. FORBES, Director. 



THE 



ORNITHOLOGY 



OF ILLINOIS. 



PART I, DESCRIPTIVE CATALOGUE, 



BY ROBERT l 'RIDGWAY. 



VOLUME II 

 PART I. 



Published by Authority of the State Legislature. 



SPRINGFIELD, ILL. 

 H. W. ROKKEE, PEINTKB AND BINDEB. 



1895. 



