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Show 18/0.] MR. P. L. SCLATER ON NEW AMERICAN BIRDS. 329 This species is nearly allied to P. columbianus, Cab., and P. panerythrus*, mihi, but is easily distinguishable from both these species by its dark chestnut-red cap. In P. columbianus the head above is greenish cinereous, with a definite pale brown superciliary stripe ; in P. panerythrus it is olivaceous brown, like the back. In both tbe latter species also the wings are of a much brighter chestnut- red, and the colour below is more rufescent. I have two skins of this Philydor, exactly similar, of the usual " Bogota" make. I have had them for some time, but have never been able to find a name for them. There is a third specimen in the collection of Messrs. Salvin and Godman. This bird is also not unlike P. turdinus of Von Pelzeln in general colour, but is again distinguishable by its rufous head. 3. CHEETURA BRACHYCERCA, Scl. et. Salv. P.Z. S. 1867, p. 758, pl. xxxiv. Since our publication of the description of this Chcetura, Mr. Salvin has obtained an undoubtedly Cayenne skin of the same species. This has led me to refer again to Buffon's figure of his Hirondelle ct queue pointue de la Lousiane (Pl. Enl. 726. fig. 2), Upon which Temminck (Tableau Methodique, p. 78) established his Cypselus poliurus. I have also carefully re-examined a typical specimen of Acanthylis brachyura, Jardine, in m y own collection, and have come to the conclusion that all these synonyms are referable to one species. But the Brazilian bird, which I have hitherto referred to Cypselus poliurus oi Temminck, is quite different, and may be called cinereicauda-Acanthylis cinereicauda, Cassin, being the earliest synonym certainlyf referable to it. These two species will therefore now stand as follows :- (1) CHEETURA POLIURA. Hirondelle cl queue pointue de la Lousiane, Buff. Pl. Enl. 726. fig. 2. Cypselus poliurus, Temm. Tabl. Meth. p. 78. Acanthylis brachyura, Jard. Ann. N. H. ser. 1, vol. xviii. p. 120. Chcetura brachycerca, Scl. et Salv. P. Z. S. 1867, p. 758, pl. xxxiv. Hab. Amazonia, Xeberos (Bartlett) ; Cayenne (Mus. S.-G.); Tobago (Jardine) ; Trinidad (Finsch). Dr. Finsch informs m e that he has lately received a skin of this species in a collection from Trinidad. (2) CHEETURA CINEREICAUDA. IVencejillo, Azara, Apunt. ii. p. 513. ? Hirundo oxyura, Vieill. N. D. xiv. p. 473, et E. M . p. 331. Cypselus pelasgius, Max. Beitr. iii. p. 347. * Philydor panerythrus, mihi, P.Z. S. 1862, p. 110, was erroneously termed semirufus in the Supplement to m y American Catalogue, p. 360. I cannot distinguish it from the Costa-Eican skins which Mr. Salvin refers to Automolus rufescens, Lawr. Ann. L. N. Y. viii. p. 345. 1* If Azara's " Vcncejillo," Apunt. ii. p. 513, be proved to be the same as the Brazilian bird, an older name will be oxyura of Vieillot. |