200 CATAIOGUE OF BRITISH BIEDS. 



Anas frenata, Sparrm. Mtis. Carls, t. 38. 



Fuligula marila, Steph. Gen. Zool. xii. p. 198 ; Pr. Bonap. Oeogr. 



Comp. List of B. p. 58 ; Jenyns, Man. Brit. Vert. An. p. 243 ; 



Keys. <Sf Bl. Wirbelth. Eur. p. 87; Macgill. Man. N. H. Orn. ii. 



p. 188; G. B. Gray, Gen. of B. iii. p. 621. 

 Fuligula Gesneri, Bay ; Eyton, Cat. Brit. B. p. 58. 

 Nyrooa mariTa, Flem. Phil, of Zool. ii. p. 260, and Brit. An. 



p. 122. 

 Aythya marila, Boie, Isis, 1822, p. 564 ; Brehm, V'og. Deutschl. 



p. 912. 

 Aythya leuconotos, Brehm, Vog. Deutschl. p. 913. 

 Aythya islandica, Brehm, Vog. Deutschl. p. 911. 

 Scaup Duck, Muiit. Orn. Diet. ; Bew. Brit. B. (1804) ii. p. 339, 



fig. ; Penn. Brit. Zool. xii. p. 251, pi. 42 ; Yarr. Brit. B. ed. 2. 



iii. p. 341, fig. ; id. ed. 3. iii. p. 343, fig. 

 Scaup Pochard, Selby, Brit. Orn. ii. p. 354. .^ 



PI. Enl. 1002 ; Gould, B. of Eur. pi. 371. 



a. Hampshire. From Col. Montagu's Collection. 



b. Somersetshii'e. From Col. Montagu's Collection. 



c. ? 



d. MiLford Haven. Presented by the Earl of Cawdor. 



e. Cambridgeshire. Male. From Mr. J. Baker's Collection. 

 /. Cambridgeshire. Female. From Mr. J. Baker's CoUeotion. 

 g, h. Two tracheae. England. 



3. NYKOCA. 



Nyroca, Flem. Phil, of Zool. ii. p. 260 (1822). 

 Aythya, Boie, Isis, 1822, p. 564. 



1. Nyboca fbeina. The Pochard. 



Anas ferina, lAnn. Faun. Suec. p. 45; Temm. Man. d'Orn. (1815) 

 p. 564 ; Leach, Syst. Cat. Mamm. 6/- Birds in B. M. p. 38 ; 

 Naum. Vog. Deutschl. (1844) xii. p. 21, t. 308 ; Schleg. Rev. 

 Crit. des Ois. d'Eur. p. 120. 



Fuligula ferina, Steph. Gen. Zool. xii. p. 193; Jenyns, Man. Brit. 

 Vert. An. p. 241 ; Eyton, Gat. Brit. B. p. 57; Keys. 6f Bl. Wir- 

 belth. Eur. p. 87. 



Nyroca ferina, Flem: Phil, of Zool. ii. p. 260, and Brit.An.^.V2\ ; 

 G. B. Gray, Gen. of B. iii. p. 621. 



Aythya ferina, Boie, Isis, 1822, p. 564 ; Brehm, Vog. Deutschl. 

 p. 920, t. 43. f. 3 ; Pr. Bonap. Geogr. Comp. List of B. p. 58 ; 

 Macgill. Man. N. H. Orn. ii. p. 191. 



Anas rufa, Gmel. S. N. i. p. 515. 



Aythya erythrocephala, Brehm, Vog. Deutschl. p. 919. 



Pochard, Mont. Orn. Diet. ; Bew. Brit. B. (1804) ii. p. 356, fig. ; 



