44. NTEOCA. 335 



b. General plumage brown ; head, except in N. 



haeri, wholly or partly tinged with chestnut, 



especially in adult males (Ni/roca). 



c'. Lower breast and upper part of the abdomen 



white. 



c". Head and upper part of neck black, glossed 



•with green ; a chestnut patch on the 



anterior part of the cheeks near the base 



of the bill in the female baeri, p. 344. 



d''. Head chestnut, more or less bright. 



d^. A white spot on the chin africana, p. 345. 



c'. No white spot on the chin. 



c*. Breast of a brighter and deeper chest- 

 nut ; smaller, wing 7'8 inches innotata, p. 350. 



/*. Breast of a duller chestnut ; larger, 



wing 8'75 inches australis, p. 350. 



d' . Abdomen dusky ; upper part of the head 

 black ; sides of the head and of the upper 

 portion of the neck deep chestnut-brown ; I hrunnca, p. 351. 



sides reddish brown ■; natvmi, p. 353. 



I erythrophthalma, 

 [p. 353. 



1. Nyroca ferina. 



Penelope, Biiss. Orn. vi. p. 384, pi. xxxv. f. 1 ( d ) (1760). 



Penelope nigra, Briss. op. cit. p. 389 (1760), 



Anas ferina, Linn. S. N. i. p. 203, n. 31 (1766) ; Gm. S. N. i. 2, 



p. 530, n. 31 (1788) ; Lath. Ind. Orn. ii. p. 862, n. 77 (1790) ; 



Bonn. Enc. Meth. i. p. 137, n. 32, pi. 38. f. 2 (with var. a, \k 137) 



(1790); Lath. Tr. Linn. Soc. iv. p. 116, tab. xiv. ff. 5, 6 (trachea) 



(1798); Pall. Zoogr. Bosso-As. ii. p. 250 (1811); Temm. Man. 



d'Orn. p. 504 (1815) ; VieilL N. D. v. p. 125 (1810) ; Bum. Diet. 



Sc. Nat. vi. p. .373 (1817) ; Tem7n. Man. 2ud ed. ii. p. 868 (1820) ; 



Licht. Verz. Doubl.-p. 85 (Siberia and Cyprus) (1S23) ; Bp. Speech. 



Vomp. p. 73, n. 232 (1827) ; Menitr. Cat. Bais. Cauc. p. 58 (Bakou) 



(1832) ; Schleg. Bev. Crit. p. cxx (1844) ; Kamn. Vor^. Deutschl. 



xiii. p. 21, Taf. 308 (1844) ; Brehm, J.f. O. 1854, p. 84 (Egypt) ; 



Jdckel, ibid. p. 363 (Bavaria, breeding) ; Pdssler, ibid. p. 3S0 



(Taurie) ; id. J. f. O. 1856, p. 68 ; Miill. ibid. p. 232 (Provence) ; 



Buvri/, J. f. O. 1857, p. 123 (Algeria) ; Henr/l. J. f. O. 1862, p. 307 



(N.E. Atr.); Hornet/. J.f. O. 1870, p. 433 (Baikal); Gieb. Thes. 



Orn. i. p. 350 (syn. emend.) (1872) ; Bowl. Orn. Misc. iii. p. 2.30 



(1878). 

 Anas ferina /3, Gm. S. N. i. 2, p. 530 (1788); Lath. Ind. Orn. ii. 



p. 863 (1790). 

 Anas rulicollis, Scop. Ann. I. Hist. Nat. p. G6, n. 81 (1769) ; Bonn. 



Enc. Meth. i. p. 132 (1790). 

 Anas erythrocephala, S. G. Gmel. Beise B//ssl. i. p. 71 (1770) ; id. 



Nov. Comm. Petrup. xv. p. 465, n. 14, tab. 20 (1771). 

 Anas peuelope, Gerini, Star. Ucc. v. tav. 583 (cJ), 584 (2) 



(1776). 

 Millouin, B'Aubent. PI. Enl. 803 ; Buff. Hist. Nat. Ois. ix. p. 216 



(1783). 

 Pochard, Penn. Brit. Zool. ii. p. 600, n. 284 (1776) ; Lath. Syn. iii. 



2. p. .523, n. (\S (1785). 

 Rufous-necked Duck, Lath. Syn. iii. 2, p. 477, u. 32 (1785). 



