U.S. NATIONAL MUSEUM 



BULLETIN 107, PL. 44 



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f 



1— WESTERN GREBE 



2 — MEXICAN GREBE 



3 — HOLBOELLS GREBE 

 4— EARED GREBE 



5 — PIED-BILLED GREBE 



6 — TUFTED PUFFIN 

 7— HORNED GREBE 

 8 — HORNED PUFFIN 



FOR DESCRIPTION SEE PAGE 237 



