5tP 2': ;3;5 



Bulletin of the Museum of Comparative Zoology 



AT HARVARD COLLEGE. 



Vol. LIX. No. 5. 



NOTES ON BIRDS FROM EAST SIBERIA AND ARCTIC 

 ALASKA. 



By W. Sprague Brooks. 



CAMBRIDGE, MASS., U. S. A.: 



PRINTED FOR THE MUSEUM. 



September, 1915. 



