677 



EEISMATUEA LEUCOCEPHALA. 



(WHITE-HEADED DUCK.) 



Anas leucocephala, Scop. Ann. i. Hist. Nat. p. 65 (1769). 



Anas mersa, Pall. Eeise Kuss. Eeichs, ii. Anh. p. 713 (1773). 



Platypus leucocephalus (Scop.), C. L. Brehm, Lehrb. Naturg. eur. Vog. ii. p. 824 (1824). 



Aythya leucocephala (Scop.), C. L. Brehm, Vog. Deutschl. p. 909 (1831). 



Erismatura, Bp. (Anas leucocephala, Scop.), Sagg. Distrib. metod. Agg. e Correz. p. 143 



(1832). 

 Cerconectes, Wagl. (Anas mersa, Pall. &c.) Isis, 1832, p. 282. 

 Undina leucocephala (Scop.), Gould, B. of Eur. v. pi. 383 (1837). 

 Erismatura mersa (Pall.), Bp. Comp. List, p. 59 (1838). 

 Undina mersa (Pall.), Keys. & Bias. Wirbelth. Eur. p. 86 (1840). 

 Fuligula mersa (Pall.), Degl. Orn. Eur. ii. p. 476 (1849). 

 Erimistura leucocephala (Scop.), Bp. Compt. Rend, xliii. p. 652 (1856). 

 Biziura leucocephala (Scop.), Schleg. Mus. Pays-Bas, Anseres, p. 11 (1866). 



Canard couronne, French ; Pato-tarro, Spanish ; Oobbo rugginoso, Italian ; Puderente, 

 Weisskbpfige Ente, German. 



Figurce notabiles. 

 Werner, Atlas, Palmipedes, pi. 51 ; Naumann, Vog. Deutschl. taf. 315 ; Gould, B. of Eur. 

 pi. 383 ; Shelley, B. of Egypt, pi. 12 ; Savigny, Descr. de l'Egypte, pi. 10. fig. 2 ; Bechst. 

 Orn. Taschenb. pi. 36. 



3 ad. pileo centraliter nigro : fronte, capitis lateribus, mento et collo superiore cum nucha albis : collo imo 

 nigro cincto : corpore supra rufescenti-cervino, nigro vermiculato, uropygio saturatiore : uropygio imo 

 et supracaudalibus castaneis : remigibus griseo-nigris, secundariis extus et tectricibus alarum majoribus 

 griseo-cervinis, nigricanti vermiculatis : tectricibus minoribus sordide cinereis, mdistincte vermiculatis : 

 cauda nigra, : gutture imo et pectore castaneis vix albo-cervino notatis : corpore reliquo subtiis albo- 

 cervino, rufescente fusco indistincte notato, hypochondriis sordide castaneo-fuscis cervino tinctis et 

 fusco vermiculatis : rostro pallide ultramarino : iride fusca, pedibus nigricanti-plumbeis. 



2 ad. pileo et nuch& nigro-fuscis vix castaneo tinctis : capitis lateribus eodem modo coloratis sed albo guttatis, 

 stria suboculari fere ad nucham ducta, alba : mento et gula. albis, nigro-fusco guttatis : corpore supra 

 sicut in mare colorato, sed saturate castaneo nee rufescenti-cervino : corpore subtiis sicut in mare 

 colorato : rostro sordide plumbeo : iride fusca, : pedibus nigricanti-plumbescentibus. 



Adult Male (Zah, Transylvania, 16th May) . Crown black ; forehead, sides of the head, including the space 

 above the eye, chin, and nape pure white ; below this white the neck is black, with a few bufiy brown 



2f2 



