200 CATALOGUE OF BKITISH BIRDS. 



Anas frenata, Sjuirnn. Mus. Carls, t. 38. 



Fiiligiila marila, Stepli. Gen. Zool. xii. p. 198 ; Pr. Bonap. Geogr. 



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



Keys. Sf Bl. WirbeUh. Eur. p. 87; Maajill. Man. N. H. Orn. ii. 



p. i88; G. B. Gray, Gen. of B. iii. p. 621. 

 Fiiigiila Gcsneri, Ray ; Eyton, Cat. Brit. B. p. 58. 

 Nyroca marila, Flem. Phil, of Zool. ii. p. 260, and Brit. An. 



p. 122. 

 Aythya marUa, Boie, Isis, 1822, p. 564 ; Brehni, Vog. Deutschl. 



p. 912. 

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

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

 Scaup Duck, Mont. Orn. Diet. ; Beiv. 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. 

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



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



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



f. Cambridgeshire. Female. From Mr. J. Baker's Collection. 

 q, h. Two tracheae. England. 



3. NYROCA. 



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

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



1. Nyroca ferina. The Pochard. 



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

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

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

 Cnt. des dis. d'Eur. p. 120. 



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

 Vert. An. p. 241; Eyton, Cat. Brit. B. p. 57; Keys. 4" Rl- Wir- 

 beUh. Ear. p. 87. 



Nyroca ferina, Flem. Phil, of Zool. ii. p. 260, and Brit.An.-^.121 ; 

 G. R. 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 ofB. 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. ; 



