171 



White-headed Duck Lath. Gen. Syn. 6. 478. 



Ural Duck Lath. Gen. Syn. 6. 478. 



La Macreuse de Bussie Veill. En. Method. Orn. 1. 140. 



Le canard Ural J'eiU. En. Method. Orn. 1. 127. 



Inhabits the eastern portions of Europe ; occasionally found during migration in Austria and Hungan 



ERISMATURA RUBIDA. 



Eris. Mas. — Bnmnea, capite supra, fronte, et occipite atris ; genis mentoque albis. 

 Er/s. Tern. — Mare similis, sed coloribus obscuris. 



RUDDY DUCK. 



Male, brown duck, with the upper part of the head, the forehead, and occiput black; cheeks 

 and chin white. 



Fem. like the male, but with the colours less distinct. 



IX. IX. 



Length 15 Outer toe 2\ 



Bill If Middle toe 2± 



Tarsi 1 \ Inner toe 2 



Male: crown, head, and back of the neck black; back and tail brown dotted with whitish : 

 wings brown ; throat and cheeks white : flanks, breast, and lower surface also white tinged more or 

 less with ferruginous ; bill lead coloured ; legs and feet brown ; hides hazel. 



Fem. : similar to the male, but with the back part of the head and neck inclining to brown ; 

 the throat and cheeks light slate colour. 



Young similar to the female. 



Erismatura rubida Bona}). Cat. Am. and Eur op. Birds. 



Anas rubida H'ds. Am. Orn. 8 p. 128, pi 7 \,fig. 



FuliguJa (oxyura) rubida Bonap. Syn. p. 390. N. 336. 



Fuligula rubida Faun. Bo. Am. 2. 455. 



Gymnura rubida Vutt. Man. Orn. 2. 42(7. 



Inhabits North America, retiring northwards to breed; frequents fresh water in preference to the 

 sea, according to Nuttall. When swimming they have a habit of carrying the tail so erect thai it 

 appears of the same height with the head and neck. 



