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Show 1869.] MESSRS. SCLATER AND SALVIN ON PERUVIAN BIRDS. 157 Two examples from Pitumarca, in the plumage figured in the * Voyage of the Beagle.' " Common on all the large swamps near Tinta. Bill, legs, and toes Indian-red ; eye dark hazel." 41. DAFILA SPINICAUDA (Vieill.). Anas spinicauda, Schlegel, Mus. des P.-B. Ans. p. 39. Two skins from the lagoon of Tungasuca and a river near Tinta, which we believe to belong to this species, although they do not quite agree with Burmeister's description (La Plata-Reise, ii. p. 515). But they are identical with a skin from Buenos Ayres, obtained by Mr. Hudson (cf. P. Z. S. 1868, p. 146); and we think Burmeister must have made some error in separating the Peruvian bird (A. oxyura, Meyen) from the eastern form. " Total length 24| inches. Upper mandible yellow, marked with a streak of black down the centre; lower mandible yellow at the base, black at the point; eye dark hazel; legs and toes lead-colour." 42. QUERQUEDULA OXYPTERA (Meyen) ; Scl. et Salv. P. Z. S. 1867, p. 990. Specimens of both sexes of this Duck from the lagoon of Tungasuca and a river near Tinta. The males and females are alike. " Found in the river." 43. QUERQUEDULA PUNA. Anas puna, Tsch. F. P. Aves, p. 309. Two skins, both of females, from the lagoon of Tungasuca. This species seems most nearly allied to Q. versicolor, but is readily distinguishable by its larger black bill, blacker head, whiter throat, and finer markings above. W e have previously seen this species only in the gallery of the Jardin des Plantes, where there is a specimen from Cochabamba (D'Orbigny), and a second said to be from Chili (Gay). " Found in pairs; rare. Bill light blue, with a streak of black down the centre of the upper mandible; eye dark hazel; legs and toes bluish slate-colour." 44. MERGANETTA LEUCOGENYS. Anas leucogenys, Tsch. Wiegm. Arch. 1843, p. 390. Erismatura leucogenys, ej. 1. c. 1844, p. 316. Merganetta leucogenys, Tsch. F. P. Aves, p. 310. Mr. Whitely has sent a pair of this Merganetta, which is certainly distinct from both the Chilian and New-Granadan species. The male was obtained by his friend Mr. Turner; the female was shot by himself at Tinta in July last. The male has a black neck, like M. chilensis, but a pure white neck and throat, with only a small black line round the base of the bill, as in M. columbiana. Tschudi's description appears to have been taken from a bird not quite adult. The female appears to |