U.S. NATIONAL MUSEUM 



BULLETIN 107, PL. 44 



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 



