150. Somateria mollissima borealis. 23 in.

Base of bill extends on either side of forehead in a point, a mark that will distinguish it from the next and very similar species, in any plumage. The female Eider presents a most remarkable difference in plumage from that of the male. and. unlike the females of most species, is a very handsome bird.

Nest. - Of grasses lined with down; concealed in tall grass or under bushes; the 6 to 10 eggs are greenish-drab (3.00x2.00); May, June.

Range. - Breeds on Labrador and Greenland coasts.