BERNICLA. CYGNUS. 119 



An introduced species, often found at large, especially in 

 winter. Abundant in North America.] 



Bernicla ruflcollis. Red-breasted Goose. 



Anser ruficoUis, Pallas, Spicil. Zool. fasc. vi. p. 31, 

 tab. V. (1769). 



Bernicla ruflcollis, Macg. iv. p. 634 ; Gray, p. 185 ; Gould, 



V. pi. 6 ; Dresser, p. 403. 

 Anser ruflcollis, Naum. xi. p. 408; Yarr. ed. 2, iii. p. 170 j 



id. ed. 3, iii. p. 174; Hurting, p. 156. 

 The Red-breasted Goose, Yarr. ed. 1, iii. p. 80, 

 RuficoUis = red-necked ; from rufus + collum. 



A very rare straggler to Great Britain. It breeds in North- 

 eastern Siberia, migrating southwards va. winter, in one case 

 as far as Northern Egypt. 



Genus CYGNUS, Bechstein, Gemeinn. Naturg. Deutschl. 

 iii. p. 815 (1809). 



CygnVfS = the Swan, in classical Latin, the Greek kvkvos. Of. Cieonia. 



Cygnus olor. Mute Swan. 

 Anas Olor, Gmelin, Syst. Nat. i. p. 501 (1788). 



Cygnus olor, Naum. xi. p. 442; Gray, p. 189; Yarr. ed. 2, 

 iii. p. 205 ; id. ed. 3, iii. p. 209 ; Gould,v. pi. 8; Dresser, 

 vi. p. 419. 



The Mute Swan, Yarr, ed. 1, iii. p. 115. 



Olor = a Swan, in classical Latin, especially in poetry ; perhaps a Spanish 

 word. Cf. Welsh alarch. 



Probably introduced many centuries ago ; generally distri- 

 buted in a more or less domesticated condition. It inhabits 

 the Palsearctic Region. 



