Mergus; c. Phoenicopterus.
Genera: (a) Anas, Mergus, Phaethon, Plotus; (b) Rhyncops, Diomedea, Alca, Procellaria, Pelecanus, Larus, Sterna, Colymbus.
29) under the names of Mergus anatarius, Clangula angustirostris, and Anas (Clangula) mergoides, as though they were a distinct species; but the remarks of De Selys-Longchamps (Bull.
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