6 



THE FUNDUS OCULI OF BIRDS 



who assisted him in his earlier ophthalmo- 

 scopic studies of Birds, and to Professor Henry 

 B. Ward of the University of Illinois for 

 assistance in reading the proof sheets as they 

 were passing through the press. 



The systematic classification employed for 

 the purposes of this work is that of Bowdler 



Sharpe's Hand-List of Genera and Species 

 (London, 1909), except that in mentioning 

 North American Birds the specific names on 

 the Check List of the American Ornitho- 

 logical Union (1910) has been used. 



Casey A. Wood. 

 Chicago, 1917. 



