Suborder ANSERES. 



Family ANATIDi^l. 



MUTE SWAN. Cygnus olor. 



Resident in a more or less domesticated state. Summer visitor to 

 Central and Eastern Europe, Turkestan, and Mongolia ; wintering on the 

 shores of the Mediterranean and Caspian Seas. 



HOOPER SWAN. Cygnus musicus. 



Winter visitor. Breeds in the Arctic Regions of the Old World from 

 Iceland to Kamtschatka. Winters on the shores of the Mediterranean 

 and Caspian Seas, and in Japan and North China. 



BEWICK'S SWAN. Cygnus bewicki. 



Winter visitor. Breeds in the Arctic Regions of East Russia and Siberia. 

 Winters on the coasts of Japan and North China, and on the shores of the 

 Caspian, and occasionally of the Mediterranean, Sea. 



AMERICAN SWAN. Cygnus americanus. 



Supposed accidental visitor ; two somewhat doubtful records (Scotland) . 

 Breeds in the Arctic and Subarctic Regions of America, wandering south 

 in winter as far as the confines of the Tropics. 



LESSER SNOW-GOOSE, Anser hyperboreus. 



Rare accidental visitor ; only one or two apparently authentic records 

 (Ireland). Breeds in the Arctic Regions of Western America, and pro- 

 bably in those of Eastern Asia, wandering in winter to California and 

 Japan. 



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