BIRD NAMES. 



[No. 13. 



Tail gray, with black about its roots, its elongated central feath- 

 ers black, or nearly so. Front of neck, and under parts gener- 

 ally, white, tinged more or less with yellowish or rusty stain ; the 

 white of neck branching into the dark color above, as shown in 

 picture. Bill black, turning to bluish gray along its sides. Legs 

 and feet bluish gray. 



Measurements about as follows : length twenty-nine inches 

 (but governed, of course, greatly by variable development of 

 central tail-feathers); extent thirty -six inches; bill, measured 

 along top (from feathering at base) two to two and three- 

 sixteenth inches, and narrow, with sides nearly parallel. 



No. 13. Female. 



Adult female. Plumage very different from full -dressed 

 _drake : a quietly clothed " gray duck." Central feathers of tail 

 projecting but slightly beyond those next them. Upper plu- 

 mage principally dark grayish brown, variegated with cream 

 color, the latter tint deepening here and there into tan, or paling 

 into white ; variegations closer about lower neck ; throat pale 

 buff ; remainder of neck (all around) and most of head marked 

 with dusky streaks and dots upon a buff or pale-brown ground ; 

 top of head darker; iridescence of speculum very imperfect 



