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Show 22 MR. P. L. SCLATER ON T H E GENUS SYNALLAXIS. [JAN. 6, 45. SYNALLAXIS ALBICAPILLA. Synallaxis albicapilla, Cab. J. f. O. 1873, p. 319. Oleaginea, pileo summo lactescenti-albo : cauda tota et tectricum alarium marginibus rufis : subtus pallide terreno-fusca, medialiter albescens, gula capite fere concolori: rostro brevi, recto : pedibus crassis : tectricibus subalaribus et remigum marginibus intenori-bus cervinis : rectricibus duodecim: long, tota 6, ala 2"8, caudce rectr. med. 2'8, ext. 1*6. Hab. Peruvia occ. Maraynioc (Jelski). Mus. Varsoviano. Sect. d. Species supra unicolores : cauda rotundata, nigro-rufa aut fusco-rufa: gula nigro punctata aut rufo maculata. 46. SYNALLAXIS HUMICOLA. Synallaxis humicola, Kittl. Mem. pre's. a l'Ac. Petersb. 1830, p. 185, pi. 6 ; Darwin, Zool. Beagle, iii. p. 75 ; Bp. Consp. p. 212 ; Sclater, P. Z. S. 1859, p. 193, 1867, p. 324 ; Cat. A. B. p. 153; Phil, et Landb. Cat. Av. Chil. p. 12. Supra cineraceo-fusca: tectricibus alarum minoribus rufis: superciliis albis : subtus dilutior, albicantior, gula alba nigro punctata hypochondriis, crisso et tectricibus subalaribus ferrugineis : cauda nigricante, rectricibus lateralibus in pogonio exteriore rufescente tinctis: long, tota 6'8, ala 2*3, cauda rectr. med. 2*9, ext. l-9. Hab. Chili, near Valparaiso (Darwin); Valparaiso (D'Orb. et Gaudichaud in Mus. Paris). 47. SYNALLAXIS ORBIGNII. Synallaxis humicola, D'Orb. Voy. Ois. p. 245, t. 17. fig. 2 ; Burm. La-Plat a Reise, ii. p. 468. Synallaxis crassirostris, Landb. J. f. O. 1868, p. 401. Bathmidura d'orbignyii, Reichb. Handb. d. sp. Orn. p. 163. Synallaxis orbignii, Scl. et Salv. P. Z. S. 1867, p. 986. Supra cineraceo-fusca, alarum tectricibus et secundariis extus rufis : loris albidis : subtus lacteo-alba : gula media rufa : hypochondriis, crisso et subalaiibus necnon secundariorum dimidio basali rufis : cauda media nigra, rectricibus duabus ulrinque lateralibus et his proximarum basibus rufis: long, tota 6'5, ala 2"6, cauda? 3. Hab. Bolivia, Palca (D' Orb.) ; Rep. Arg. Mendoza ( Weisshaupt) ; Parana (Burm.). Obs. Sp. a prsecedente guise macula, secundariorum basibus rufis et rectricibus lateralibus rufis prorsus distinguenda. Although D'Orbigny collected at Valparaiso specimens of the true S. humicola, the species figured under that name in his work is clearly distinct, as was first pointed out by Reichenbach. I have compared one of D'Orbigny's skins of this species in the Paris Museum (collected at Cochabamba in 1834, and marked " S. humicola") with a specimen in m y own collection obtained near Mendoza by Weisshaupt. I therefore do not doubt that I am correct in referring Landbeck's S. crassirostris (established on examples from the same locality) to this species. |