No. 11. 



Anas discors. 



Adult male. Crown of head and chin black ; a white black- 

 edged crescent between bill and eye ; remainder of head, with a 

 little of the neck adjoining, bluish lead color, with lavender 

 tinge ; bill black. Upper plumage principally dark brown with 

 black, and spots, bars, and streaks of buff; front of wing sky 



Nail. Adult male. 



blue ; blue also on some of the longer shoulder-feathers ; wing- 

 mark, or speculum, green, with white band between it and above- 

 mentioned blue, and a narrow line of white on opposite border 

 of speculum. 



Lower plumage light brown or reddish buff, thickly speckled 

 with black; this marking changed to waved bars upon the 



