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Show 1870.] ON BIRDS FROM HONDURAS. 839 Bogota skin in Sclater's collection this character is present. can we find much difference as regards size, in specimens from different localities-Mexico, Honduras, Panama, and Bogota. 51. PsiLORHINUS MEXICANUS (Riipp.). Mr. Whitely's skins belong, like Mr. Taylor's and all others from southern localities, to the white-tailed form. See our remarks, P. Z. S. 1869, p. 363. 55. DENDRORNIS SUSURRANS (Jardine). Dendrocolaptes susurrans, Jard. Ann. N. H. xix. p. 81. Dendrornis susurrans, Eyton, Contr. Orn. 1852, p. 23 ; Sclater, Cat. A. B. p 165; Scl. et Salv. P. Z.S. 1868, pp. 167, 627, et 1869, p. 252. Nasica susurrans, Lafr. Rev. Zool. 1850, p. 425 ; Leotaud, Ois. deTrin. p. 160. Dendrornis nana, Lawr. Ibis, 1863, p. 181 (?). Dendrornis nana, Scl. et Salv. P. Z. S. 1864, p. 355 ; et Salvin, P. Z. S. 1870, p. 193 (cerU). After comparing Mr. Whitely's specimen of this Dendrornis with fifteen others from various parts of the Central-American isthmus (Costa Rica, Veragua, and Panama), which we have hitherto called I). nana (ex Lawrence), and with Venezuelan, Trinidad, and Tobago skins of D. susurrans, we have come to the conclusion that they all belong to one species. Upon one of the smaller-sized individuals Mr. Lawrence appears to have established his D. nana; and we are inclined to suppose that the birds called D. guttatus (Ann. L. N. Y. vii. p. 292) and D. pardalotus* (ibid. viii. pp. 4, 180, and ix. p. 107) likewise belong to this same species. W e have never met with more than three other species of this genus of Dendrocolaptidae from any district north of Panama. These are: - 1. D. eburneirostris. Mexico, Guatemala, and Honduras. 2. D. lachrymosa. Nicaragua, Costa Rica, Veragua, and Panama. 3. D. erythropygia. Southern Mexico down to Panama. We are not acquainted with D. mentalis, recently described by Mr. Lawrence from Northern Mexico (Ann. viii. p. 48). 96. COCCYZUS MINOR (Gm.). See Sclater's remarks on this species, P. Z. S. 1870, p. 166. 104. PICUMNUS OLIVACEUS (Lafr.). This is the most northern locality yet recorded for any species of this genus. The specimens agree with Bogota skins, and with those from Veragua received by Mr. Salvin (cf. P. Z. S. 1870, p. 212). No other Picumnus is known from north of Panama. * A skin in the collection of Dendrocolaptidee belonging to the Smithsonian Institution now under Sclater's examination, which is marked D. pardalotus in Mr. Lawrence's handwriting, certainly belongs to D. susurrans. PROC. ZOOL. Soc-1870, No. LVI. |