. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. DUCKS, GEESE AND SWANS OF NORTH AMEKICA. 79 Genus NOMONYX Ridgway. NOMONYX DOMINICUS {Linn). Masked Duck. Special characters. Male; Front of head, and fiice, black; back of head, and neck, rioli, rufous brown, shading into pale chestnut, or tawuj' brown on the under parts; l)asal portion of wing coverts, white, forming a white patch on the wing; prinniries, brown; feathers of the back, black, edjj;ed with rufous bi'own; tail, black, the feathers stil


. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. DUCKS, GEESE AND SWANS OF NORTH AMEKICA. 79 Genus NOMONYX Ridgway. NOMONYX DOMINICUS {Linn). Masked Duck. Special characters. Male; Front of head, and fiice, black; back of head, and neck, rioli, rufous brown, shading into pale chestnut, or tawuj' brown on the under parts; l)asal portion of wing coverts, white, forming a white patch on the wing; prinniries, brown; feathers of the back, black, edjj;ed with rufous bi'own; tail, black, the feathers still' and pointed; axil- lars, wliite ; upper mandible, light blue, in life, showing a narrow middle stripe of black ; feet, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cory, Charles B. (Charles Barney), 1857-1921. Boston, For sale by Little, Brown & Co.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1897