3W 



a". cJ ad. sk. 

 b". (5 ad. sk. 



c". S ad. sk. 

 <Z", e". cf $ imm. 



sk. 

 /". c? skeleton. 

 (/". Skeleton. 

 ^". Sternum. 

 i". Sternum with 



shoulder-girdle. 

 k'l. Sternum with 



shoulder-girdle. 

 I", in". Sterna. 



n'' . (S ad. st. 



o". (^ juv. St. 



Maiiipur, March (A. O.S.). 

 Shanghai, China, Dec. {A. 



MichieS. 

 Hakodadi, Japan, March. 

 Yokohama, Japan, winter 



{H. Fryer). 

 England. 

 England. 

 England. 

 England. 



Eno-land. 



Hume Coll. 

 Seebohm Coll. 



F. Einger, Esq. [P.]. 

 Seebohm Coll. 



Purchased. 

 Purchased. 



G. Ingall, E?q. [P.]. 

 J. Ray, Esq. [P.]. 



M. Lefebvre's Coll. 



Htbhids. 



Nyroca ferina X F. marila. 



Purchased at Mr. Double- F. Bond, Esq. [P.]. 

 day's sale, Aug. 23, 1871. 



(Type of Fuligula viariloides, Yarr. nee ^'igors.) 



Nyroca ferina X F. fuligula. 



Woodford Park, Blackburn, R. J. Howard, Esq. 



Aug. [P.]. 



2. Nyroca americana. 



Anas ferina, Gm. S. N. i. 2, p. 530, n. 31 (part.) (1788) ; Lath. Ind. 

 Ortt. li. p. 862, n. 77 (1790) ; TVils. {iiec Linn.) Am. Orn. Viii. 

 p. 110, pi. 70. f.6 (1814) ; Bp. Speech, dmp. p. 73, n. 2-53 (1827) ; 

 Dovghty, Cab. N. H. ii. p. 40, pi. iv. (1832) ; Gieb. Thes. Orn. i. 

 p. 3.50 (part.) (1872). 



Anas (Fuligula) ferina, Bp. Obs. Nomencl. Wils. n. 270 (1825). 



Fuligula ferina, Bp. (nee Linn.) Ann. Lye. N. Y. ii. p. 392 (1826) ; 

 id. Sv7i. p. 392 (1828); Stv. 8^ Bich. Faun. Bor.-Am. ii. p. 452 

 (183i) ; Nutt. Man. ii. p. 434 (1834) ; Aud. Orn. Biogr. iv. p. 198, 

 p. .322 (1835); id. Syn. p. 287 (18.39); id. B. Am. vi. p. 311, 

 pi. 396 (1843) ; Giraud, B. Long Isl. p. 320 (1884^ ; Schleg. Mus. 

 P.-B., Anseres, p. 23 (part.) (1866). 



Fuligula americana, Bp., fide Eyt. Mm. Anat. pp. 155, 156 (1838) 

 Gosse, B. Jam. p. 408 (1847) ; 'Wied, J.f. 0. 1859, p. 175 ; Albrecht 

 J. f. O. 1862, p. 207 (Jamaica) ; Turnb. B. E. Fa. p. 46 (1869) 

 Eyt. Syn. Anat. p. 113 (1869) ; Sclat.^Salv. F. Z. S. 1876, p. 400 

 S'elat. 'F. Z. S. 1880, p. 526: Cory. List B. TV. Ind. p. 31 (1885) 

 Seeb. Hist. Brit. B. iii. p. 676 (1885) ; Tristr. Cat. Coll. B. p. 48 

 (1889). 



Aythya erythrocephala, Bp. (nee Brehm), Cotnp. List, p. 51, n. 387 

 (1838) { Ketvb. F. B. Ii. Bep. vi. 4, p. 103 (1857). 



Nyroca americana, G. B. Gr. Gen. B. iii. p. 621, n. 2 (1844) ; id. 

 "List Spee. B. Brit. Mus. p. 143 (1844) ; A. ^- E. Newt. Handb. 

 Jam. p. 113 (1881). 



Isyroca ferina americana, Bchnb. Syn. Av., Natatores, t. 77. f. 889 

 (1845) (ex Andnbon). 



Nyroca ferina, Woudh. Sitgr. Bep. p. 104 (1853). 



Aythya ferina, d. americana, Bp. Comiit. Bend, xliii. p. 651, n. 142 d 

 \1856). 



