4 



NORTH AMERICAN FAUNA 69 



Bond, and Allen J. Duvall of the U.S. Fish and Wildlife Service 

 helped with taxonomic problems and other matters. I also wish 

 to thank Olin Sewall Pettingill, editor of the Living Bird, and 

 George A. Hall, editor of the Wilson Bulletin, for permitting me 

 to quote extensively from papers of mine appearing in those 

 journals. 



