. The birds of Illinois and Wisconsin . 62 Field Museum of Natural History —Zoology, Vol. IX. Speculum, bluish purple, edgedwith white and black; greaterwing coverts, with broad band ofwhite; head, tawny brown,streaked with dark brown; belly,pale buff, mottled with brown;feet, orange red; axillars, white(female). Anas platyrhynchos. Mallard No. Mallard Duck. Male. Speculum, purplish blue; no white band on greater wing coverts;head and throat, streaked; throat, not buff; no black spot at base ofbill; feet, olive (sometimes red); axillars, white; Eastern NorthAmerica. Anas riibripe
. The birds of Illinois and Wisconsin . 62 Field Museum of Natural History —Zoology, Vol. IX. Speculum, bluish purple, edgedwith white and black; greaterwing coverts, with broad band ofwhite; head, tawny brown,streaked with dark brown; belly,pale buff, mottled with brown;feet, orange red; axillars, white(female). Anas platyrhynchos. Mallard No. Mallard Duck. Male. Speculum, purplish blue; no white band on greater wing coverts;head and throat, streaked; throat, not buff; no black spot at base ofbill; feet, olive (sometimes red); axillars, white; Eastern NorthAmerica. Anas riibripes. Black Duck. Dusky No. 41. Subfamily FULIGULIN^. Bay and Sea Ducks. Ducks having flap or membraneous lobeon hind toe; tarsus, scutellate (transversescales) in front.
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