382 NATATORES. MERGUS. MERGANSER. 



abdomen, white. Upper part of the breast, and sides 

 of the lower part of the neck pale reddish-brown, each 

 side-edge of the feathers having a black streak. Sides, 

 flanks, and behind the thighs, white, undulated with 

 distinct zigzag bars of black. Lower part of the back 

 and the rump deep clove-brown, undulated with white. 

 Tail composed of sixteen feathers, deep broccoli-brown. 

 Lesser wing-coverts, upon the ridge, and near to the 

 shoulders, deep clove-brown. 



Female. PLATE 58*. The Female, which bears a strong resemblance 

 to that of the preceding species, but of inferior size, and 

 having the speculum, or white part upon the wing, di- 

 vided by a black bar, formed by a part of the basal 

 half of the secondaries being exposed to view. 

 Crown of the head, and occipital crest liver-brown. Sides 

 of the head and neck pale reddish-brown. Chin and 

 throat white. Upper plumage (in winter) deep broccoli- 

 brown ; the feathers upon the mantle and sides of the 

 breast being margined with greyish- white. Under plu- 

 mage white. Flanks broccoli-brown, margined paler. 

 Bill and legs dingy orange. Irides red. 



Young. The young males resemble the females till after the second 

 moult, when they begin to show about the head and 

 back the characters of the adult bird. 



