104 RKCORDtJ VOLUME XI, MAY. 1919. 



evolution. Cowbirds; a defence of a much 

 maligned species. Bobolink; seasonal change 

 of dress and name. 



Lecture 9. 



Bluebirds; habits a method of identifica- 

 tion; call song and true song. Thrushes; wide 

 range, but general resemblance in form and 

 habits; songs of our species. Kinglets. Gnat- 

 catchers, and Titmice; songs, nesting, and 

 other habits. 



Lecture 10. 



Starling; must not be condemned un- 

 tried. Pipits; Chats, Ja^'s and Crows. Nest 

 robbing propensities of last two discussed. 

 Horned Larks; habits. 



Lecture 11. 



Our Flycatchers are Songless Perchers. 

 Structural differences between them and the 

 Singing Perchers. A careful study of our 

 species. Resemblances and differences. Our 

 Goatsuckers. 



