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Show 272 MESSRS. SCLATER A N D SALVIN O N [Mar. 4, on the Lower Ucayali, which remained undetermined. We have since compared this specimen with the types of Picolaptes notatus, Eyton, Contr. Orn. 1852, p. 26, and Dendrornis multiguttata, Lafr. R. Z. 1850, p. 417, and have decided that these names are synonyms, and both belong to it. A Nattererian skin from Para, determined by v. Pelzeln as Dendroplex similis (Orn. Bras. p. 46), is also apparently not different. Fam. FORMICARIIDCE. The Ant-Thrushes and their allies are very abundant in the great forests of Upper Amazonia, no less than forty-six species being represented in the collections of which we speak, about half of which are peculiar to the district. 1. CYMBILANIUS LINEATUS (Vieill.) ; Scl. & Salv. P. Z. S. 1866, p. 566; 1867, p. 978. Nauta (Bartlett) ; Pebas (Hauxwell). "This species appears very rare in Peru; the only specimen obtained was taken near the town of Nauta."-E. B. 2. THAMNOPHILUS UNDULIGER, Pelz. Orn. Bras. p. 75. Th. fuliginosus, Scl. & Salv. P. Z. S. 1867, pp. 750, 755. The specimen spoken of "as probably a female of Th. fuliginosus " (P. Z. S. 1867, p. 755) is undoubtedly referable to Th. unduliger of v. Pelzeln (quite a different bird), of which Mr. Bartlett subsequently obtained both sexes. " Of this rare and beautiful species I obtained one female in Xeberos, and three females and one male in Chamicuros. The male is slate-coloured on the back and crest, with transverse black bars all over the body ; the females are dark brown all over, and marked like the male."-E. B. 3. THAMNOPHILUS MELANURUS, Gould ; Scl. & Salv. P. Z. S. 1866, p. 185 ; 1867, pp. 750, 978. Nauta, Upper and Lower Ucayali, Chyavetas, and Santa Cruz (Bartlett) ; Pebas (Hauxwell). "Generally distributed throughout the hilly country."-E. B. 4. THAMNOPHILUS LEUCONOTUS, Spix, Av. Bras. ii. p. 28, pl. xxxix. fig. 2(6*). Th. melanoceps, Spix, ibid. ( ? ). Th. corvinus, Scl. & Salv. P. Z. S. 1866, p. 185. " Upper Ucayali, near Cashiboya, and Santa Cruz. Found about the banks of the small streams. Both sexes obtained: male black, with white shoulder ; female brown, with black head. Having shot a female one day, I obtained the eggs of this fine species by finding one perfect and ready to be laid inside her. The egg ha3 a whitish ground-colour, with elongated streaks and spots of a pinkish or olive brown and grey colours, most predominant at the large end."-E. B. |