ANSERES NYBOCA 147 



but not pointed ; wings rounded, the first and second primaries, 

 which are the longest, hardly exceeding the longest secondaries ; 

 no speculum ; tail of fourteen feathers short and graduated ; the 

 feathers normal and rounded at the tips ; tarsus very short, less 

 than the inner toe ; hind toe well developed and with a broad lobe 

 posteriorly. This Genus contains some eight species of Diving 

 Ducks commonly known as Pochards, distributed all over the 

 world. Only one species is found within our limits, though two, 

 the common Pochard (N. ferina) and the White-eye (N. africana), 

 both northern species, range as far south as Abyssinia in winter. 



FIG. 43. Left foot of Nyroca crytliroplithalma. x i 



626. Nyroca erythrophthalma. South African Pochard. 



Anas capensis (nee Ghnel.) Lesson, Tr. d'Orn. p. 632 (1831). 



Anas erythrophthalma, Wied, Beitr. iv, p. 929 (1832). 



Fuligula capensis, Smith, Cat. S. A. Mas. p. 36 (1837) ; P. L. Sclater, 



P. Z. S. 1880, p. 526. 

 Nyroca brunnea, Eyton, Mon. Anat. p. 161, pi. 23 (1838) ; Strickland 



and Sclater, Contrib. Ornith. 1852, p. 160; Layard, B. S. Afr. p. 



355 (1867) ; Ayres, Ibis, 1871, p. 266 ; Bryden, Gun and Camera, 



p. 404 (1893) ; id. Nat. and Sport, p. 43 (1897) ; Salvadori, Cat. B. 



M. xxvii, p. 351 (1895) ; Shelley, B. Afr. i, p. 173 (1896). 

 Fuligula brunnea, Gurney, Ibis, 1864, p. 355 [Natal]. 

 Aythya capensis, Gurney, in Andersson's B. Da-mar al. p. 342 (1872) ; 



Butler, Feilden and Eeid, Zool. 1882, p. 428 ; Sharpe, ed. Layard's 



B. S. Afr. p. 760 (1884) ; Nicolls and Eglinton, Sports. S. A. p. 129 



(1892). 



