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Show 134 MR. o. SALVIN ON THE BIRDS OF VERAGUA. [Jan. 24, out Central America from Mazatlan to Panama, and thence &c. ClNCLIDiE. 7. CINCLUS ARDESIACUS, Salvin, Ibis, 1867, p. 121, pl. 2. Cordillera de Tole'. A full description of this species will be found in the ' Ibis,' as referred to above. In coloration this Dipper more nearly approaches North American specimens of C. mexicanus than Mexican, which seem to be always darker. (See Baird's ' Rev. Am. B.' p. 60.) TROGLODYTIDiE. 8. MICROCERCULUS LUSCINIA, Salvin, P. Z. S. 1866, p. 69. Santa Fe and Santiago de Veragua. Two specimens sent by Arce agree accurately with one another, the species forming a distinct race from the northern M. philomela, Salvin, P. Z. S. 1861, p. 202. 9. THRYOTHORUS LEUCOSTICTUS, Cab. Thryothorus prostheleucus, Sclater, Cat. Am. B. p. 20. Microcerculus leucostictus, Sclater & Salvin, P. Z. S. 1864, p. 345. Santa Fe, Veragua. This species seems to enjoy an uninterrupted range from Cayenne, Ecuador, and New Granada to Mexico. I am quite unable to find constant characters to separate specimens from the latter country and Guatemala from those obtained from more southern localities. 10. THRYOTHORUS RUFALBUS, Lafr.; Sclater, P. Z. S. 1856, p. 140 ; Lawr. Ann. N. Y. Lye. viii. p. 174. David (Bridges; Hicks). 11. THRYOTHORUS RUTILUS, Vieill.; Baird, Rev. Am. B. p. 135. Santa Fe and Santiago de Veragua. This species has before been noticed on the Isthmus of Panama (Lawr. Ann. N. Y. Lye. vii. p. 320). 12. THRYOTHORUS THORACICUS, Salvin, P. Z. S. 1864, p. 580. Santiago de Veragua. Three specimens from this locality differ in no way from the typical Costa Rican examples. This species, like many others hitherto considered purely Costa Rican, extends as far south as the termination of the higher mountains of that country, and tends to show that the real boundary of the Costa Rican fauna must be sought here. 13. THRYOTHORUS CASTANEUS, Lawr. Ann.N.Y.Lye. vii. p. 321. Thryophilus castaneus, Baird, Rev. Am. B. p. 133. Santiago de Veragua. This species has hitherto been only recorded from the Isthmus of Panama. |