372 ANATID^. 



white, sharply defined from the black upper breast, and gradually 

 changing into the black of the sides of the vent and under tail- 

 coverts, through a graduated barring of white and dusky ; sides 

 delicately undulated with greyish dusky ; upper wing-coverts dusky 

 grey, wing-speculum on the secondaries grey, darker subterminalh', 

 and very narrowly tipped with white ; tertials black with a green 

 gloss ; primaries dusky grey, the outer quills on the outer webs 

 and the others at the tips blackish ; under wing-coverts pale grey, 

 more or less edged with white, axillaries white ; tail dusky black : 

 " bill lead-colour, with a narrow basal and broad subterminal band 

 of bluish white, the end black ; iris bright yellow ; legs and feet 

 pale slaty " (5., B., Sf R.). Total length 17 inches, wing''7-8, tail 2, 

 culmen 1-88, tarsus 1*2. 



Female. Crown and nape dull dark brown, becoming gradually 

 light below, rest of head paler and greyer, the anterior half of the 

 lores, the chin, and throat white ; jugulum, sides, and flanks raw 

 umber-brown ; breast and abdomen white ; anal region dull brown, 

 longer under tail-coverts whitish ; wings as in the male ; remaining 

 upper parts dull dark brown, the feathers of the back and the 

 scapulars with pale olive-brown edges ; bands on the bill narrower 

 and less distinct than in the male ; iris yellow ; feet slaty. 



Young in down. " Above greyish umber-brown, relieved by seven 

 spots of light buff as follows: — a small and inconspicuous spot in 

 the middle of the back, (!) between, and a little anterior to, the 

 wings ; a large patch on each side of the back, another on each 

 side of the rump, at the base of the tail, and a bar across the 

 posterior border of each wing ; crowu, occiput, and nape crossed 

 longitudinally by a white stripe of deep grejnsh umber ; a roundish 

 isolated spot of light greyish brown, including the forehead, and 

 lower parts generally, light dingy buff, the flanks crossed by a 

 brown transverse stripe from the rump to the tibia ; side of iJie 

 head without any longitudinal stripes." (B., B., Sf K.) 



Hah. The whole of jS^orth America, south to Guatemala and the 

 West Indies ; breeding chiefly in the high north. Its occasional 

 occurrence in Europe is doubtful. 



a. S imm. sk. Vancouver I. J. Iv. Lord, Esq. [P.], 



b. S ad. St. N. America. Earl of Derby [P.]. 



c. S fid. sk. N. America. Salvin-Godmau Coll, 



d. S ad. St. N. Laud Expedition. Sir G. Back [P.]. 



e. /, g. S ad. et W. side Rocky Mts. J. K. Lord, Esq. [P.]. 

 juv. sk. 



h. 2 ad. sk. British Columbia. J. K. Lord, Esq. [P.]. 



i. Juv.sk. 49th Parallel. N. America Boundary 



Comm. [P.]. 



Ti. S ad. sk. 49th Parallel. Salviu-Godman Coll. 



I, m. 9 ad. et S Eockport, Ohio, Prof. Kirtland [P.]. 



imm. St. 



n,o. d $ ad. sk. Chicago, Illinois (Nelson ^ Salviu-Godman Coll, 

 Jencks). 



