BIRDS OF THE BRITISH ISLES. 



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inches. The adult female is mostly uniform brown, with a 

 faint whitish patch between the base of the bill and eye ; 

 under parts, mottled with white. 



THE Long-tailed Duck (Futigula glacialis, Linnaeus), a 

 tolerably common autumn and winter migrant to the 

 British Islands, is a circumpolar species, migrating in 

 autumn southward through both Eastern and Western 



