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 CYGNIN.a!. SwANb. 

 Genus OLOR Wagler. 

 (9/(7r Wagler, Isis, 1832, 1234. Type, Anas cygnus Linn. 

 [179.] Olor cygnus (Linn.). 



Whooping Swan. 



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



Olor cygnus 'SiOt'ikSkvsi^^ Catal. Parzudaki, 1856, 15. 



[B— , C— , R 586, C 690.] 



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, 



319- 

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



[B 561 bis, C 477, R 588, C 689. J 



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. 



1 83 1, 464. 

 Olor buccinator YJagi,^^, Isis, 1832, 1234. 



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



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 



