340. 
7. 
BLUE 
M. 
PLacg. 
MERGANSER, 
Mereus ceruleus, Ind. Orn. ii. p. 833. 10. 
Blue Merganfer, Ar. Zool. ii. Sup. p. 74. 
White-faced Duck, Gen. Syz. vi. p. 504. 50. Var. A. 
HE defcription of this bird will be found fufficiently detailed in 
the Gen. Synopfis, as well as in the Aréfic Zoology above referred 
to. Mr. Pennant has thought right to rank it in the prefent genus, 
and we need not hefitate to let it ref{t upon fuch good authority. 
Our late friend Mr. Hutchins met with this bird at Hud/on’s Bay. 
