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. 

 PAPvT L 



Published by Authority of the State Legislature. 



srUINOFIELD. ILL. 



H. Vi. RoEKEB, Piiinti:b and Binder, 



IS'Jo. 



