Continuation of the 



\ New Series, 



Old Series, ) 



Vol. XXXI. \ Bulletin of the Nuttall Ornithological Club. \ Vol. XXIII. 



The Auk 



H (&uarterl£ 3ournaI of ©rnitbolo$\> 



EDITOR 



J. A. ALLEN 



Associate editor 



FRANK M. CHAPMAN 



VOLUME XXIII. 



PUBLISHED BY 



The American Ornithologists' Union 



CAMBRIDGE, MASS. 



1906 



Entered as second-class mail matter in the Post Office at Boston, Mass. 



If/JLH~ 



