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PLATE XLL 



THE GREY-HEADED DUCK. 



GENUS ANAS, LIN. SYST. 1 94. DUCK, PEN. GEN. BIRDS, 89. 



SIZE, 

 HEAD, 



CHEEKS, 

 BREAST, 



WINGS, 



TAIL, 

 VENT, 

 LEGS, 

 PLACE, 



lefs than a brent goofe. 



and NECK of a deep grey. 



white. 



BELLY and BACK bright ferruginous, marked 



with darker femicircular Unes. 

 COVERTS white, secondaries green, primaries 



black, 

 black. 



orange, croITed with a black band, 

 black r 

 the Cape of Good Hope. Mr. pen xN ant. 



