ORDER ANSERES. 6 1 



169.1. Chen caerulescens (LINN.). 



Blue Goose. 



Anas ccerulescens LINN. S. N. ed. 10, I. 1758, 124. 

 Chen cczrulescens GUNDL. in POEY'S Repert. Fis.-nat. Isla Cuba, 

 I, 1865-66, 387. 



[B 564, C 479, R 59> c 6 94-] 



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). 



Ross's Snow 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 0481, R 592, C 697.] 



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 R 593, C 692.] 



GEOG. DIST. Northern parts of eastern hemisphere. Eastern 

 Greenland ? 



171 a. Anser albifrons gambeli (HARTL.). 



American White-fronted Goose. 



Anser gambeli HARTL AUB, Rev. Mag. Zool. 1852, 7. 

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



