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Show 986 MESSRS. SCLATER AND SALVIN ON PERUVIAN BIRDS. [Dec. 12, 21. SYNALLAXIS ORBIGNII (Reich.). Synallaxis humicola, Lafr. et D'Orb. Mag. de Zool. 1836, p. 24 ; D'Orb. Voy. Ois. p. 245, t. 17. f. 2. Bathmidurus d'orbiynyi, Reich. H. d. Sp. Orn. p. 163. Synallaxis crassirostris, Landb. J. f. O. 1865, p. 401. This species has been wrongly referred by Lafresnaye and D'Orbigny to the S. humicola of Kittlitz. It is readily distinguishable on comparison by its thicker bill, rufous throat-spot, and the clear rufous colour of the outer webs of the external tail-feathers. D'Orbigny's specimens were from the ravine of Palca, Western Bolivia. Those described by Landbeck as S. crassirostris were obtained by Leybold in the vicinity of Mendoza. Mr. Whitely sends us two examples from Arequipa. Sexes (as marked) alike. 22. OCTHOECA LEUCOPHRYS. Fluvicola leucophrys, hair, et D'Orb. Syn. Av. in Mag. de Zool. 1837, p. 60; D'Orb. Voy. p. 345, t. 38. f. 1. . Octhoeca leucophrys, Sclater, P. Z. S. 1856, p. 28 ; Cab. et Hein. Mus. Hein. ii. p. 48. Two examples of this fine species from Islay and Chihuata. " Eyes dark hazel; bill and feet black." In Sclater's 'Catalogue' Fluvicola leucophrys is wrongly referred to a very different bird-the Tyrannula setophagoides of Bonaparte. 23. MUSCISAXICOLA ALBIFRONS. Ptyonura albifrons, Tsch. F. P. p. 167, t. 12. f. 2. Muscisaxicola albifrons, Ph. et Landb. Wiegm. Arch. 1865, p. 78. One example of this bird from Salinas shows that Sclater has been in error in uniting it to Teenioptera alpina, Jard., of Ecuador*. The present species is much larger in size, in fact the giant of the genus t. The upper coloration is also paler, and the head slightly rufescent, instead of being darker than the back. The front is white in M. albifrons, which is not the case in M. alpina; and the outer webs of the outer tail-feathers are distinctly edged w*ith white. The species from Ecuador will therefore stand as M. alpina (Jard.). The eyes of M. albifrons are noted as " dark hazel." 24. MUSCISAXICOLA MENTALIS (Lafr. et D'Orb.). Skins from Islay. " Female : eye dark hazel; legs, toes, and claws black." 25. MUSCISAXICOLA RUBRICAPILLA, Ph. et Landb. (Pl. XLVI.) Muscisaxicola albilora, Lafr. Rev. Zool. 1855, p. 60 (?). Muscisaxicola rubricapilla, Ph. et Landb. Wiegm. Arch. 1865, p. 90; Sclater, Ibis, 1866, p. 58. Supra fuscescenti-cinerea, loris et regione oculari albescentibus * See P. Z. S. 1860, p. 78, and Ibis, 1866, p. 57. f M. albifrons: long, tota 9-0, alae 6-0, cauda? 3-8. M. alpina: „ 6*8, „ 50, „ 3-1. |
