U.S. NATIONAL MUSEUM BULLETIN 107, PL. 44 
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1— WESTERN GREBE 5—PIED-BILLED GREBE 
2—MEXICAN GREBE 6—TUFTED PUFFIN 
3—HOLBOELL'S GREBE 7—HORNED GREBE 
8—HORNED PUFFIN 
4—EARED GREBE 
FOR DESCRIPTION SEE PAGE 237 
