Introductory. 3 



on field work and compiled during the past thirty years. The standard 

 works on North American Birds have been carefully consulted to secure 

 accuracy. It is believed that all the kinds of birds known to occur in the 

 area dealt with, down to November first, 1897, are included in this treatise. 



For the courtesies that have been extended to the author by Princeton 

 University, in allowing him to use and photograph material in the museums 

 of that institution, he desires to express his obligation. 



WOOD THRUSH SETTING. PHOTOGRAPHED FROM LIFE. 



