This supplement for field study is a separate book containing pages as illus- 

 trated here. There is room for the careful study of twenty birds in outline 

 and in drawing. Price 10 cents. 



Name of Bird 



NOTE. A crayon drawing or a painting should be made of the bird being studied and pasted 

 lightly to this page. The outline may be traced, but the markings should be taken from the 

 bird in the field. 



[23] 



