Farn. Anatidae. — 1297 — Gen. Cygnus. 



1871. p. 780. — Jerd. B. of Ind. HI. p. 778. (not.) — v. Middend. 

 Sibir. Reise II. 2. p. 225. — Schrenk, Amurl. I. p. 455. — ßadde, 

 0. Sibir. V. p. 348. — v. Baer (Sporer), Peterm. Geogr. Mitth. Erg. 

 Heft Nr. 29. (1867.) p. 98. — v. Droste, Borkum p. 259. — Brehm, 

 Thierl. IV. p. 780. — Heugl. Syst. Hebers. Nr. 679. — Heugl. 

 Peterm. Geogr. Mitth. 1869. p. 408. — Lichtenst. Doubl. Cat. p. 

 84. — Licht. Nomencl. p. 101. — Shelley, Birds of Egypte p. 279. 

 — -Powys, Ibis 1860. p. 351. — Tristram, Ibis 1868. p. 327. — 

 Elwes & Buckley, Ibis 1870. p. 338. (C. ferus). — Saunders, Ibis 

 1871. p. 396. — Heugl. Ibis 1872. p. 63. — Schilling, Ibis 1853. 

 p. 367. — Brehm, Gab. Journ. 1854. p. 84. — Bruch, Gab. Journ. 



1854. p. 278. — Gloger. Gab. Journ. 1854. p. 279. — Reinhardt, 

 Gab. Journ. 1854. p. 441. — Brehm, Gab. Journ. 1855. p. 244. — 

 Dubois, Gab. Journ. 1855. p. 270. — Hartl. Gab. Journ. 1855. p. 

 319. — Vangerow, Gab. Journ. 1855. p. 344, — Brehm, Gab. Journ. 



1855. p. 369. — Jäckel, Gab, Journ. 1855, p, 404. — v. Müller, 

 Gab. Journ, 1856. p. 231. — Pässler, Gab. Journ. 1856. p. 387. — 

 Buvry, Gab. Journ, 1857, p, 130. — Antinori, Gab, Journ. 1858. p. 

 484, — Finsch, Gab. Journ, 1859. p. 386. — Holland, Gab. Journ. 

 1859. p. 444, — 1860. p, 306. — Jäckel, Gab, Journ. 1861, p. 76. 

 (C.jnelanorhynus). — Hintz, Gab, Journ. 1861. p. 218,; 306.; 447. 

 & 463, — Altum, Gab. Journ. 1863, p, 109, — Hintz, Gab, Journ, 

 1863, p. 430. — V. Homeyer, Gab, Journ. 1864, p, 142. - Hintz, 

 Gab. Journ. 1864, p. 190. — v. Nordm, Gab. Journ. 1864. p. 376. 



— V. Droste, Gab. Journ. 1864. p. 428. — Hintz, Gab. Journ. 1865. 

 p. 241, — Salvad, Gab. Journ, 1865. p. 321. — Hintz, Gab. Journ. 

 1866. p. 154. — 1867. p. 174. — 1868. p. 401. — Dybowski & 

 Parrex, Gab. Journ. 1868. p. 339. — Boie, Gab. Journ. 1869. p. 

 96. — V. Droste, Gab. Journ, 1869. p, 346. — Göbel, Gab. Journ. 

 1870, p. 182. — V, Homeyer, Gab, Journ. 1870, p. 429. — Göbel, 

 Gab. Journ, 1871. p. 24. & 146. — Heugl, Gab, Journ. 1871. p, 106. 



— Lühder, Gab. Journ, 1871. p. 329.; 338.; 349. &351. — Heugl. 

 Gab, Journ. 1872. p. 120. — Wright, Malta p, 51. (C. ferus.) — 

 Malherbe, Paun. Sicil, p, 241, — Doderl. Avif. Sicil. p. 253. — v. d. 

 Mühle, Griechenl. Nr. 264, — Linderm. Griechenl. p. 156, — Gara, 

 Orn. Sard. sp. 236. 



83* 



