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Show 1876.] NEOTROPICAL ANATIDA. 393 ing from S. Brazil on one coast and the highlands of Peru on the western side down to the Magellan Straits and the Falklands. Azara, its original discoverer, gives no particulars respecting its history, merely saying that he obtained four similar specimens in Buenos Ayres. It was procured in the adjoining State of Monte Video by Sellow, and in the Brazilian province of Sao Paulo by Natterer. Burmeister says this Duck is not unfrequently found in the lagoons bordering the Parami. In his 'La Plata-Reise' he distinguishes a western race from the vicinity of Mendoza, for which he adopts Meyen's term oxyura. But after comparing eastern and western specimens together, we are of opinion that they belong to one species. In Chili Philippi and Landbeck say that this is the commonest species of Duck. In the Falkland Islands it occurs rather sparingly in the freshwater ponds of the interior, where it resides throughout the year. The species is also found on the adjoining coast of Patagonia ; and the specimen in Dr. Cunningham's collection left undetermined in our first list of his birds (' Ibis,' 1868, p. 189) certainly belongs to it, though not in full plumage. Mr. Whitely has sent several skins of this Duck home from the Cuzcan Andes, obtained on the lake of Tungasuca and on the river near Tinta. 3. DAFILA BAHAMENSIS. Ilathera Duck (Anas bahamensis), Catesby, Carolina, vol i p. 93, t. 93, unde Anas bahamensis, Linn. S. N. i. p. 199 (1/66); Max. Beitr. iv. p. 925 (S.E. Brazil) ; Burm. Syst. Ueb. iii. p. 436 ; J. fiir Orn. 1860, p. 266, et La Plata-Reise, ii. p. 515 (Uruguay); Schl. Mus. des P.-B. Anseres, p. 55. Dafila bahamensis, Hartl. Ind. Az. p. 27 (1847) ; Cab. in Schom-burgk's Guiana, iii. p. 763 ; Gay, Faun. Chil. vol. i. p. 448 (1848) • Cassin, Gilliss's Exp. ii. p. 203 (1856) ; Scl. P.Z.S. 1867, p. 335 (Chih); Ph. & Landb. Cat. Av. Chil. p. 41 ; Scl. & Salv. P. Z S 1868, p. 146 (Rep. Arg.), 1870, p. 323 (Galapagos), et Nom. Av. Neotr. p. 130 ; PeJz. Orn. Bras. p. 320 (1870) ; Salvin, Trans. Zool. Soc. iv. p. 499. Pacilonetta bahamensis, Eyton, Mon. Anat. p. 110 (1838)- Sclater, P. Z. S. I860, p. 389 (Falklands) ; Darwin, Voy. Beagle, iii! p. 135 (Galapagos Islands) ; Abbott, Ibis, 1861, p. 160 (Falklands). Anas fimbriata, Merrem, Ersch. u. Grub. Enc. sect. i. vol. xxxv. p. 35 (ex Azara). Anas urophasianus, Vig. Zool. Journ. iv. p. 357 (1829); Zool. Beechey's Voy. p. 31, t. 14. Dafila urophasianus, Eyton, Mon. Anat. p. 112, t. 20 (1838). Anas ilathera, Vieill. Enc. Meth. p. 152 (1823), ex Brisson, Orn. iv. p. 360. Pato pico aplomado y roxo, Az. Apunt. no. 433 (Buenos Ayres), unde Anas rubrirostris, Vieill. N. D. v. p. 108 (1816), et Enc. Meth p. 353 (1823). |