a^s & t 



Old Series, [ Continuation of the 



j New Series, 

 Vol. XLV. ^ Bulletin of the Nuttall Ornithological Club / Vol. XXXVII 



The Auk 



a ©uarterlp Journal of (^rntljologp 



Editor 

 WITMER STONE 



VOLUME XXXVII 



PUBLISHED by 



The American Ornithologists' Union 







i 



LANCASTER, PA. 

 1920 



Entered as second-class mail matter in the Post Office at Lancaster, Pa. 



