208 
ANATIDiE. 
[Anser albifrons albifrons (Scop.). (27-92.) 
Branta albifrons Scopoli, Annus i. Hist. Nat. p. 69, 1769: Carniola. 
(Fig. Dresser, vi. pi. 414.) 
Distr .—Europe, Asia, and Africa. Extra-limital.] 
Anser albifrons gambeli Hartl. (27-95.) 
Anser gambeli Hartlaub, Rev. et Mag. Zool. 1852, p. 7: Texas, 
America. 
Anser frontalis Baird, Birds North America, p. 562, 1858 : Mexico. 
Distr. —North America and Hawaiian Islands. 
Genus CHEN Boie. 
Chen Boie, Isis, 1822, col. 563. Type (by monotypy): Anser 
hyperborens Pall. 
Chen hyperborens (Pallas). (27-84.) 
Anser hyperborens Pallas, Spic. Zool. fase. vi. p. 25, 1769: Siberia. 
(Fig. Dresser, vi. pi. 417 ; Elliot, Bds. N. America, pi. 42.) 
Anser albatus Cassin, Proc. Acad. Nat. Sci. Philad. 1856, p. 41 : Western 
and Northern America. 
Distr. —North-East Asia, North America, and Hawaiian Islands. 
Genus BRANTA Scop. 
Branta Scopoli, Annus i. Hist. Nat. p. 67, 1769. Type (by tauto- 
nymy) : Anas bernicla. 
Branta bernicla (Linne). 
Distr .—Asia, Europe, and America to Hawaiian Islands. 
[Branta bernicla bernicla (L.). (27-119.) 
Anas bernicla Linn6, Syst. Nat. 10th ed. p. 124, 1758 : Europe. 
(Fig. Dresser, vi. pi. 415; Gould, Gt. Brit. v. pi. 7.) 
Distr. —Northern Asia, Europe, and America. Extra-limital.] 
Branta bernicla nigricans (Lawr.). (27-123.) 
Anser nigricans Lawrence, Ann. Lyc. Nat. Hist. New York, vol. iv. 
p. 171, pi. 12, 1846: Egg Harbour, New Jersey, America. 
Distr. —America (West) to Hawaiian Islands. 
Branta canadensis (Linne). 
Distr .— North America to Hawaiian Islands. 
[Branta canadensis canadensis (L.). (27-112.) 
Anas canadensis Linne, Syst. Nat. lOtli ed. p. 123, 1758 : Canada. 
Distr. —North America. Extra-limital.] 
