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Show 386 MESSRS. SCLATER AND SALVIN ON [Apr. 4, Querquedula oxyptera, Tsch. F. P. pp. 55, 309 (Sierra region of Peru); Scl. & Salv. P.Z.S. 1867, p. 990 (S. Peru), 1868, p. 570, 1869, p. 157 (Peru); Nomencl. p. 129. Querquedula angustirostris, Ph. & Landb. Wiegm. Arch. 1863, pt. i. p. 202 (Tacna). Supra pallide schistaceo-fusca, capite toto nigro frequenter trans-fasciolato ; interscapulio rufescente lavato, plumis in centro obscurioribus; uropygio valde dilutiore; speculo atari lato nigro supra et subtus fascia ochracea terminate et fascia splen-denti- aneo-viridi intus inclusa ; remigibus obscure schistaceis, secundariorum marginibus utrinque pallide rufescentibus; abdomine albo, pectore nigro punctato ; rostro flavo, culmine et apice nigris; pedibus cornels : long, tota 17*5, ala 8*7, cauda 4*0, tarsi 1*4, rostri a rictu 1*8. Hab. Cordilleras of Peru, near Lake Titicaca (Meyen); Salinas above Arequipa (Whitely) ; Laguna of Cucullata above Tacna (Fro-been). This Duck was first discovered by Meyen, who obtained specimens of it on the high cordillera of Peru, near Lake Titicaca. Meyen's name (oxyptera) having been wrongly applied to the next species, Philippi and Landbeck (as was pointed out by us in 1867) redescribed the bird in 1863 under the name angustirostris. Their specimens were obtained by Frobeen, on the Lake of Cucullata, in Southern Peru. Our examples of this species were collected by Mr. Whitely on the salt lake of Salinas, situated at an elevation of 14,000 feet above Arequipa. Mr. Whitely subsequently procured other examples on the lagoon of Tungasuca and on the river near Tinta, in the district of Cuzco. 5. QUERQUEDULA FLAVIROSTRIS. Pato pico amarilloy negro, Azara, Apunt. no. 439 (Buenos unde Anas flavirostris, Vieill. N. D. v. p. 107 (1816), et Enc. Me'th. p. 353 (1823); Schl. Mus. des P.-B. Anseres, p. 59. Querquedula flavirostris, Burm. J. f. Orn. 1860, p. 226, et La Plata-Reise, ii. p. 516 (Mendoza); Scl. & Salv. P.Z.S. 1868, p. 146 (Buenos Ayres), et Nomencl. p. 129. Anas creccoides, King, Zool. Journ. iv. p. 99 (1828). Querquedula creccoides, Eyton, Mon. Anat. p. 128 (1838); Gay, Faun. Chil. p. 453 (1848); Cassin, Gilliss's Exp. ii. p. 203, t. xxvi. (1856) (Chili); Darwin, Voy. Beagle, iii. p. 135 (1848); Scl. P.Z.S. 1860, p. 389 (Falklands), 1867, p. 335 (Chili); Gould, P.Z.S. 1859, p. 96 (Falklands); Ph. & Landb. Cat. Av. Chil. p. 42 ; Abbott, Ibis, 1861, p. 160. " Querquedula oxyptera, Meyen," Reich. Nat. t. Iii. f. 164 ; Bibra, Denkschr. Ak. Wien, v. p. 131 (1853) ; cf. J. f. Orn. 1855, p. 57 (Chili). Similispracedenti, sed minor, rostro breviore ; interscapuliiplumis 'in centro nigris, fuscescente ochraceo stride marginatis; uro- |
