AG 86 
_ Reprinted from 
RESEARCH a 
JULY 1951 
Alaskan Bird Migrations 
by 
Donald R. Griffin 
Cornell University 
MUS. COMP. 208L. 
‘israny 
SEP 16 1954 
HARVARD 
BHIVERSITY 
Peper rane ae: 
[Me 
| 
OFFICE OF NAVAL RESEARCH 
ARTMENT OF THE NAVY WASHINGTON, D. C. — 
