Bulletin of the Museum of Comparative Zoology 



AT HARVAKI) COLLEGE. 



Vol. LXIIl. No. I. 



HKPOHTS ON THi: SCIENTIFIC RISULTS OF THK KXl'KDn ION TO THE 

 THOI'ICAL PA( IFIC IN CHAH(;K OF ALKXANDKH ACJASSIZ. ON THE U. S. 

 FISH COMMISSION STKAMEH ' ALHATHOSS," FHOM AUGUST, 1890, TO 

 MAIK H. 1900. COMMANDER JEFFERSON F. MOSER. U. S. N.. COMMANDING- 



XXI. 



THE BIRDS. 



By Charles Haskins Townsend and Alexander Wetmore. 



Published by Permission of H. M. Smitb, U. S. Fish CominissioDer]. 



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



PRINTED FOR THE MUSEUM. 



August, 1919. 



