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Show 1870.] MR. O. SALVIN ON THE BIRDS OF VERAGUA. 193 76. DENDROMANES HOMOCHROUS, Scl. Cat. Am. B. p. 162. V. de Chiriqui. This species, in Guatemala at least, is frequently found associating with the last on the same tree, where they assemble, perhaps half a dozen together, to feed on ants. 77. DENDROMANES ATRIROSTRIS (Lafr. & D'Orb.); Scl. &Salv. P. Z. S. 1864, p. 355. Chitra. Also found in Costa Rica, but not further north. Dendrocolaptes sancti-thomee. Bugaba. 78. DENDRORNIS NANA, Lawr.; Scl. & Salv. P. Z. S. 1864, p.355. Calovevora; Bugaba. Agrees with Panama specimens referred to this species. Dendrornis lacrymosa. Bugaba ; V. de Chiriqui. Dendrornis erythropygia. Calovevora; Boqueti de Chitra ; Cordillera del Chucu ; Bugaba, V. de Chiriqui. 79. PICOLAPTES COMPRESSUS, (Cab.) J. f. Orn. 1861, p. 243; Salv. Ibis, 1869, p. 314. Mina de Chorcha ; Bugaba. This lowland forest species is distributed over the whole of Central America, from Mexico to this point; it is not, however, found at Panama. This species was formerly considered by writers on Central- American ornithology (except Cabanis) to be the P. lineaticeps of Lafresnaye (see Cabanis, I. ci). 80. PICOLAPTES AFFINIS (Lafr.); Scl. Cat. Am. B. p. 166. V. de Chiriqui. This species, unlike the last, frequents only the forests of the upland districts of Central America and the forest-belts of the higher volcanoes. It occurs at intervals from Mexico to Veragua, keeping, however, its specific characters with great constancy. 81. XIPHORHYNCHUS PUSILLUS, Scl. P. Z. S. 1860, p. 278. Boqueti de Chitra. Three specimens of this curious form sent by Arce agree with the type of X. pusillus in Sclater's collection, and present none of those perplexing variations observable in X. trochilirostris and its allies. Xiphorhynchus pusillus may be readily recognized by its dark coloured bill, which is not red, as in some allied species, nor black as in X. procurvus, Temm. The plumage, too, is dark-coloured, and the elongated stripes are narrow. The species is not smaller than |