Old 



Series, 



Vol. XLV 



CONTINUATION OF THE 

 BULLETIN OF THE NUTTALL ORNITHOLOGICAL CLUB 



New 



Series, 



Vol. XXXVII 



The Auk 



a (Quarterly Journal of ©rmtfjologp 



Vol. xxxvn 



OCTOBER, 1920 



No. 4 



l -l BLISHED BY 



The American Ornithologists' Union 



LANCASTER, PA. 



Entered as second-class mail matter in the Post Office at Lanes -'^r, Pa. 



