140 ANATIDA® 
Adult male, post-nuptial or eclipse—The back and 
scapulars are chequered with blackish-brown, much darker 
than in the femaie. 
Adult female nuptial.—The plumage of the female is 
chiefly light reddish-brown, chequered and barred with 
black ; the shades of the head and neck are lighter than 
those of the breast and abdomen. 
Adult winter, male and female.—Similar to the respective 
nuptial plumages. 
Immature, male and female-—Resembles closely the 
female plumage. 
Brak. Greenish. 
FEET. Dull greenish-brown. 
IripEs. Dark brown. 
AVERAGE MEASUREMENTS. 
TOTAL LENGTH ... ba nee hale 
WING zh he ae Seey lek an 
BEAK she ape say ei Ow 
'TARSO-METATARSUS ane oe 1 ea, ee 
Eae fee ne eS 520 for x Oeane 
Allied Species and Representative Forms.—Somateria 
v-nigrum, a larger species, and differimg in that the male 
has a black mark under the chin, inhabits Behring Sea. 
S. mollissima borealis inhabits Greenland and districts to 
the west in Arctic America. 
S. dresseri, with ‘‘the bare space near the base of the 
bill rounded rather than triangular, and the sides of the 
crown greener,’ inhabits Southern Labrador, extending to 
the Delaware in winter (Saunders). 
KING-EIDER. Somateria spectabilis (Linneus). 
Coloured Figures.—Gould, ‘ Birds of Great Britain,’ vol. v, pl. 
27; Dresser, ‘Birds of Europe,’ vol. vi, pl. 446; Lilford, 
‘Coloured Figures,’ vol. vii, pl. 53. 
This Arctic Duck is a rare visitant to British seas, more 
especially along the south coast. It has been obtained on a 
