Old Series, \ Continuation of the j New Series, 



Yoj XXVI ' \ Bulletin of the Nuttall Ornithological Club, j Vol. XVIII. 



""^"^he Auk 



2 CJuartcrlr Sowrual of €)ntit]^ologv 



editor 

 J. A. ALLEN 



associate editor 

 FRANK M. CHAPMAN 



VOLUME XVIII 

 PUBLISHED BY 



The American Ornithologists' Union 



CAMBRIDGE, MASS. 

 1901 



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