DISTRIBUTION. 
17 
duck (Histrionicus histrionicus)^ America!) eider (Somateria dresseri), 
and white- winged scoter! (Hdemia deglandi). Bat the individuals which 
breed in the United States are so few in the case of SomaU via dn 
less than a dozen pairs that they may be Ignored in this discussion. 
Five other species of ducks breed entirely north of the United States. 
making, ill all, 29 species that remain in summer north of our bounda- 
ries, as follows: 
Species that Breed chiefly North op tin: United States. 
Red-breasted merganser, Merganser serra- 
tor (rare in the northern United states). 
Red-legged duck, Anasobscura rubripes. 
Scaup, Aylhya marila (rare in the north- 
ern United States t. 
American golden-eye, Clangula clangula 
americana (rare in the northern United 
States). 
Barrow golden-eye, Clangula islandica 
(rare in the Rocky Mountains of the 
United States ). 
Buffle-head, CharUonetta <dbeola (rare in 
the northern United States). 
Old-squaw, Harelda hyemalis. 
Harlequin duck, Histrionicus histrionicus 
(rare in the mountains of the north- 
western United States). 
American eider, Somateria dresseri (rare 
in Maine). 
King eider, Somateria spectabilis. 
American scoter, Oidemia americana. 
White-winged Bcoter, Oidemia deglandi 
i rare in North I>akota). 
Surf scoter, Oid mia >» rapicillata. 
Lesser snom goose, Chen hyperborea. 
Greater snow goose, Chen hyperborea 
nivalis. 
Blue goose, Chen cxrulescens. 
Ross goose, ( nen rossii. 
White-fronted goose, Anser albifrons gam- 
belt. 
Hutching goose, Branta canadensis hutch- 
insii. 
Cackling goose, Branta canadensis mini ma. 
White-bellied brant, Branta bemicla glau- 
cogastra. 
Black brant, Branta nigricans. 
Whistling swan, Olor columbianus. 
Trumpeter swan, Olor buccinator (for- 
merly a few in the northern United 
States). 
Sii:< ii;s that Breed chiefly Nortii of the Arctic Circle, with the Northern- 
most Latitude at which the Species has been observed in the Western 
Hemisphere. 
Old-squaw, Hon Ida Jiyemalis, 82°. 
Steiler eider, Poiysticta steileri, 71°. 
Spectacled eider, Arctonetta fischcri , 71°. 
Northern eider, Somateria molhssima bore- 
al, s, 82°. 
Pacific eider, Somateria v-nigra, 76°. 
King eider, Somateria spectabilis, 82°. 
Lesser snow goose, Chen hyperborea, 74°. 
Greater snow goose, Chen hyperborea ni- 
valis, 72° (accidental at 82°). 
Ross snow goose, Chen rossii, 68°. 
American white-fronted goose, Anser albi- 
frons gambeli, 71°. 
Hutchins goose, Branta canadensis hutch- 
insii, 70°. 
Cackling goose, Branta canadensis min- 
ima, 71°. 
White-bellied brant, Branta bernicla glau- 
cogastra, 82°. 
Black brant, Branta nigricans, 7t>°. 
Whistling swan, Olor columbianus, 74°. 
Southern Species, with Northern Limit ok Breeding Range. 
Florida duck, Anas fulvigula (northern 
Florida). 
Mottied duck, Anas fulvigula maculosa 
(northern Texas; accidental in Kansas |. 
.Masked dnck, Nomonyx dommicus (south- 
ern Texas). 
Black-bellied tree-duck, Dendrocygna ou- 
tumnalis t southern Texas). 
Fulvous tree-duck, Dendrocygna fulva 
(central California). 
