RINGED-NECK DUCK. 171 



FULIGULA COLLAR IS. 



Geographical Distribution. — North America from the Arctic 

 Ocean to Guatemala and the West Indies. Breeds from north- 

 ern United States to limit of its range in Arctic America. 



Adult Male, — Head, neck, breast, upper parts, and under tail 

 coverts, black, with a gloss of purple on head, and greenish on 

 back. A more or less distinct chestnut collar around middle of 

 neck. A triangular white spot on chin. , Wings, blackish brown, 

 with a green gloss. Speculum, gray. Under parts, white; the 

 flanks and sides, waved with fine black lines. Crissum, dusky, 

 mottled with white. Bill, black, with the base, edges, and a bar 

 across maxilla near nail, pale bluish. Legs and feet, grayish 

 blue, webs, dusky. Iris, yellow. Length, about 17^ inches; 

 wing, 8; tail, 3^%; culmen, 1^; tarsus, ij. 



Adult Female. — Top of head and back of neck, dark brown; 

 sides of head, grayish white. Loral space, forehead, eyelids, 

 chin, throat, and neck in front, yellowish white. Sides of neck, 

 light brown. Back and wings, dark brown, feathers margined 

 with rufous^ Speculum, gray; outer webs of outer tertials, me- 

 tallic green. Lower back and rump, black; upper tail coverts 

 and tail, pale brown, feathers, tipped with yellowish brown. 

 Upper breast, sides, and flanks, fulvous brown, tips of feathers, 

 yellowish brown. Lower breast and belly, white. Anal region, 

 dull brown; under tail coverts, white, speckled with brown. 

 Bill, slate, with pale blue band crossing it near tip. Total 

 length, 17 inches; wing, 7^; culmen, if; tarsus, i^. 



Downy Young. — Top of head and neck behind, dark grayish 

 brown; ears, grayish brown; rest of head and neck and lower 

 parts, pale buff; upper parts, grayish brown, with a spot in cen- 

 ter of back and on each side of back and rump, and a bar across 

 posterior border of wings, light buff. 



