133 ANATID^. 



One was shot at the mouth of the Derwent, out of a flock of 

 five, in the winter of 1863-64 (Zool. 1864, p. 9038) . Found 

 only in the northern portions of the Palsearctic and Nearctic 

 Hegions, seldom migrating far south in winter ; but a speci- 

 men has been obtained near Valencia, in Spain. 



Clangula albeola. Buffel-headed Duck. 



Anas Albeola, LAnnmus, S.N. i. p. 199 (1766). 

 Clangula albeola, Macg. v. p. 185; Gray, p. 203; Gould, 



Introd. p. cxxviii; Harting, p. 161; Dresser, vi. p. 589. 

 Fuligula albeola, Yarr. ed. 3, iii. p. 374 ; id. ed. 3, iii. p. 377. 

 Bufl'el-headed Duck, Yarr. ed. 1, iii. p. 273. 



Albeola = the little white (albus) bird. 



A very rare straggler, obtained four or five times on the 

 coasts of Scotland and England. It inhabits the Nearctic 

 Region. 



Genus COSMONETTA, Kaup, Natiirl. Syst. p. 196 

 (1829). 



Cosmoneita, from k^ctjuos = ornament, and vnTTa = a Duck ; from its bril- 

 liantly contrasted plumage. 



Cosmonetta histrionica. Haelequin Duck. 



Anas histrionica, Lmnceus, S. N. i. p. 204 (1766) . 



Anas histrionica, Naum. xii. p. 199. 



Clangula histrionica, Macg. v. p. 169 ; Gray, p. 203. 



Fuligula histrionica, Hewitson, p. 433; Yarr. ed. 2, iii. p. 363 ; 



id. ed. 3, iii. p. 365. 

 Histrionicus torquatiis, Gould, v. pi. 32; Harting, p. 160. 

 Cosmonetta histrionica. Dresser, vi. p. 609. 

 The Harlequin Duck, Yarr. ed. 1, iii. p. 263. 



Histr'tdmca = belonging to or like an actor, histrio. 



A very rare straggler — only two well- authenticated occur- 

 rences, both in the north of Scotland, being on record. It 

 inhabits Iceland and the Northern Nearctic Region. 



