ORDER ANSERES. 65 



[B 575, C 486, R 600, C 705.] 



GEOG. DIST. Southern border of the United States (Louisiana, 

 Texas, Nevada, California), south to Mexico, reappearing in 

 southern Brazil and Argentine Republic. Casual in North Carolina 

 and Missouri. 



SUBFAMILY CYGNINJE. SWANS. 



GENUS OLOR WAGLER. 

 Olor WAGLER, Isis, 1832, 1234. Type, Anas cy gnus LINN. 



[179.] Olor cygnus (LINN.). 

 Whooping Swan. 



Anas cygnus LINN. S. N. ed. 10, I. 1758, 122. 



Olor cygnus BONAPARTE, Catal. Parzudaki, 1856, 15. 



[B C R 5 86, C6 9 o.] 

 GEOG. DIST. Europe and Asia ; occasional in southern Greenland. 



180. Olor columbianus (ORD). 



Whistling Swan. 



Anas columbianus ORD, in GUTHRIE'S Geogr. 2d Am. ed. 1815, 



Olor columbianus STEJN. Pr. U. S. Nat. Mus. V. 1882, 210. 

 [B 5 6i bis, C 4 77, R588, C68 9 .] 



GEOG. DIST. The whole of North America, breeding far north. 

 Commander Islands, Kamchatka ; accidental in Scotland. 



181. Olor buccinator (RICH.). 



Trumpeter Swan. 



Cygnus buccinator RICH, in Sw. & RICH. Fauna Bor. Am. II. 



1831, 464. 

 Olor buccinator WAGLER, Isis, 1832, 1234. 



[B 562, C 476, R 589, C 688.] 



GEOG. DIST. Chiefly the interior of North America, from the 

 Gulf coast to the Fur Countries, breeding from Iowa and the Dakotas 

 northward ; west to the Pacific coast ; rare or casual on the Atlantic. 



5 



