44 



DUCKS, GEESE AND SWANS OF NORTH AMERICA. 



ANAS FULVIQULA MACULOSA {Senn.). 

 nottled Black Duck. 



Special Character : Male : Top of head, blackish brown, raarghied with very pale buff; chin 

 and throat, Isabella color ; cheeks, buffy white, with narrow streaks of dark brown ; feathers 

 of breast, wings, upjier parts, and flanks, blackish brown, margined with pale buff; under parts, 

 buffy white, each feather with a broad blackisli brown spot near the tip, giving a decidedly 

 mottled appearance. Under tail coverts, blackish, with outer margin of inner web reddish buff, 

 with inner web buffy white; the four median feathers of tail, blackish brown; all the others 

 fuscous, margined with pale buff', having a V-shaped mark, as in A. fulvigula, but of a buffy 

 white. Under surface of all tail feathers, light gray, excepting lour median, which are black- 

 ish brown ; hning of wing, white ; speculum, metallic purple ; feathers, tipped with white ; bill 

 has a small black spot on base of lower edge of upper mandible, as in A. fulvirjula; feet, 

 reddish orange. 



"VVing, 10.05; cuhnen, 2.2.5; tarsus, 1.7.5; middle toe and cl.aw, 1.50 inches. 



Female : Similar to the male, excepting that there is no black spot on the bill at the base 

 of the upper mandible. 



Wing, 10; culmen, 1.90; tarsus, 1.60; middle toe and claw, 1.45 inches. — Hennett, Auk, 

 1889, p. 26,3. 



The Mottled Black Duck occurs from Eastern Texas north to Kansas. 



Subgenus CHAULELASMUS Bonaparte. 



Anaw sti'uiiera (male). 



ANAS STREPERA Liim. 

 Qadwall. 



Gray Du(!K. Cheek Duck. 



Adidt male : Top of head, brownish, finely streaked and mottled with Itlack and dark 

 brown; neck and breast, mottled (l)lack and white), the feathers being black, having a central 

 white mark; under parts, white (sometimes grayish white). Under tail coverts, black, upper 



