NATURAL HISTORY SURVEY OF ILLINOIS, . 



STATE LABORATORY OF NATURAL HISTO'RY. 



S. A. FORBES, Director. 



THE 



ORNITHOLOGY 



OF ILLINOIS. 



PART L ••DESCRIPTIVE CATALOGUE. 



By R0B£RT RIDGWAY. 



VOLUME II. 



PART I. 



Published by Authority of the State Legislature. 



SPEINGPIELD, ILL. . 

 E. W. BozEEB, Fbinteb and Sindeb, 

 1895. ' 



