U.S. NATIONAL MUSEUM 



BULLETIN 1 13, PL. 81 



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i , 2 and 3. Arctic Tern 

 4, 5 and 6. Roseate tern 



^.Hoi'ri \ Uo Ballimore 



7 and 8. Aleutian Tern 



9. Truoeau's Tern 



FOR DESCRIPTION SEE PAGE 340 



