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Show 600 MESSRS. SCLATER AND SALVIN ON PERUVIAN BIRDS. [Nov. 25, Obs. Similis O. cenanthoidi, sed tectricibus alarum non rufo marginatis, dorso cinereo, et rectricis utrinque externae margine albo differt. Mr. Whitely obtained his examples of this Ochthoeca, which we at first took for 0. cenanthoides, at Pitumarca, in April and June last. Another nearly allied species is O. fumicolor, Sclater, of New Granada and Ecuador. Sclater has skins of the true O. cenanthoides collected by Mr. David Forbes in Bolivia. In the present bird the fourth primary is slightly longer than the third and fifth, and largest. The tail is nearly square, the external rectrices being only slightly shorter than the middle pair. 7. OREONYMPHA NOBILIS, Gould, P. Z. S. 1869, p. 295. Mr. Whitely obtained his specimens of this fine Humming-bird on the Cordillera above Tinta, at an elevation of about 14,500 feet above the sea-level. 8. BUTEO BRACHYURUS, Vieill. Asturina albifrons, Bp. Buteo albifrons, Schlegel, Mus. d. P.-B. Buteones, p. 10. A single skin of what we believe to be the young of this species. 9. COLUMBA MACULOSA. Paloma cobijas manchadas, Azara, Apunt. iii. p. 10. C. maculosa, Temm. Pig. et Gall. i. p. 113 (1813). C. poeciloptera, Vieill. N. D. xxvi. p. 344, et E. M . p. 375. C. maculipennis, Licht. in Mus. Berol. Patagicenas maculosa, Burm. La-Plata Reise, ii. p. 496. Two examples of this Pigeon from Pitumarca. It must be carefully distinguished from its naked-eyed allies, C. picazuro and C. yymnophthalma, with which Bonaparte and other writers have confounded it. There are specimens of it in the Paris Museum, obtained in Sicasica, Bolivia, by d'Orbigny. 10. FULICA GIGANTEA, Eyd. et Soul.; Sclat. et Salv. Ex. Orn. p. 120; P. Z. S. 1868, p. 463. A single skin of this magnificent species from the Laguna of Lan-qui, south of Tinta, obtained in February 1869. 11. IBIS MELANOPIS, Gm. ; Bp. Consp. ii. p. 155 ; Tsch. F. P. p. 298. Two skins of this Ibis from Pitumarca. Tschudi has already recorded its occurrence in the highlands of Peru. 12. MERGANETTA TURNERI, sp. nov. Merganetta leucogenys, Scl.et Salv. P.Z.S. 1869, p. 157. Supra nigra, interscapulio et scapularibus rufo marginatis: capite colloque toto albis, linea rostrum cingente, pileo medio in strigam nuchalem producto et linea utrinque collum descendente niger- |