ORDER ANSERES. 6 1 



169.1. Chen caerulescens (Linn.). 

 Blue Goose. 



Anas ccerulescens Linn. S. N. ed. lo, I. 1758, 124. 

 Chen ccerulescens Gundl. in Poey's Repert. Fis.-nat. Isla Cuba, 

 I, 1865-66, 387. 



[B 564, C 479, R 590, C 694.J 



Geog. Dist. — Interior of North America, breeding on eastern 

 shores of Hudson Bay and migrating south, in winter, through 

 Mississippi Valley to Gulf coast ; occasional on Atlantic coast. 



170. Chen rossii (Cassin). 

 Boss's Suow Goose. 



Anser rossii "Baird MSS.," Cass. Pr. Ac. Nat. Sci. Phila. 1861, 



73- 

 Chen rossii Ridgw. Pr. U. S. Nat. Mus. III. Aug. 24, 1880, 203. 



[B— , C481, RS92. C697.J 



Geog. Dist. — Arctic America in summer, Pacific coast to southern 

 California and east to Montana in winter. 



Genus ANSER Brisson. 

 Anser Brisson, Orn. VI. 1760, 261. Type, Anas anser Linn. 

 [171.] Anser albifrons (Gmel.). 



White-fronted Goose. 



Anas albifrons Gmel. S. N. I. 1788, 509. 



Anser albifrons Bechst. Gem. Naturg. Deutschl. IV. 1809, 898. 



[B— , C— , RS93, C692.] 



Geog. Dist. — Northern parts of eastern hemisphere. Eastern 

 Greenland ? 



171 a. Anser albifrons gambeli (Hartl.). 

 American White-fronted Goose. 



Anser gambeli Ylh^'i\.h\s-&, Rev. Mag. Zool. 1852, 7. 

 Anser albifrons var. gambeli CouES, Key, 1872, 282. 



