

s\ 



NATURAL HISTORY SURVEY OF ILLINOIS, 



STATE LABORATORY OF NATURAL HISTORY, 



S. A. FORBES, Director. 



THE 



ORNITHOLOGY 



OF ILLINOIS. 



PART I, DESCRIPTIVE CATALOGUE, 



By ROBERT RIDGWAY. 



VOLUME II. 

 PART I. 



Published by Authority of the State Legislature. 



SI'IMNGFIELD, ILL. 



H. W. liOKKEB. PRINTKB AND BlNDEB. 



1895. 



