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Show 138 MESSRS. SCLATER AND SALVIN ON BIRDS [Feb. 5, obtained specimens at Machala, near Guayaquil, as recorded by Salvin (Ibis, 1874, p. 323). Jelski and Stoltzmann also found it at Tumbez, as recorded by Taczanowski, I. s. c.; and Prof. Steere collected two examples-one at Pacasmayo on the coast north of Truxillo, and the other at Tumbez. 6. CYANOCORAX MYSTACALIS. Pica mystacalis, Geoffr. Mag. de Zool. 1835, pl. 34. Cyanocorax mystacalis, Scl. et Salv. Nomencl. p. 39, et P. Z. S. 1876, p. 272 ; Tacz. P. Z. S. 1877, p. 323. Cyanocorax ortoni, Lawr. Ann. Lye. N . Y. xi. p. 166. Of this fine species Prof. Steere obtained one example at Tumbez, where M M . Jelski and Stoltzmann also procured it. Having now, through Mr. Lawrence's courtesy, had the opportunity of examining the type of his C. ortoni, we are able to state that our anticipation as to its identity with C. mystacalis was quite correct. Prof. Orton's skin is labelled as having been obtained at " Zicapa, Peru, Oct. 22, 1874." It may be remarked, however, that, whereas in Prof. Steere's specimen the five outer pairs of rectrices are wholly white, in Prof. Orton's the pair next to the middle pair have the basal half blue and indications of like colour in the centres of the adjoining pairs. It is probably on some such specimen as this that C. bellus of Schlegel1 was established. 7. EUSCARTHMUS ZOSTEROPS ? A skin of a Tyrant, obtained by Prof. Steere at Moyobamba, so nearly agrees with E. zosterops, Pelzeln, Orn. Bras. p. 173, that we are unwilling to separate it on the faith of a single specimen. But it is certainly larger in its dimensions 2, has a rather shorter bill, and the edgings of the wing-coverts and secondaries are paler and more distinct. 8. ORCHILUS ECAUDATUS (Lafr. et D'Orb.). A skin of this species from Rioja, Peru, seems to agree well with Sclater's example from San Esteban (P. Z. S. 1868, p. 631). D'Orbigny's original type was from Yuracares, Bolivia. 9. MYIARCHUS SEMIRUFUS, sp. nov. (Plate XI.) Supra fuscescenti-cinereus; uropygio et alarum caudceque marginibus castaneis, remigum omnium et rectricum mediarum parte medid nigricante; subtus ochraceo-rufus unicolor; rostro el pedibus nigris: long. tota. 7*5, ales 3*4, caudce 3*3, tarsi 1*0. Hab. Pacasmayo, Peru (Steere). 1 Cf. Scl. et Salv. P. Z. S. 1876, p. 272. Long, tota, alae. cauda?. ** Ex. ex Borba (Natt.) 40 2-0 1*7 „ Moyobamba (Steere) 5-0 2-2 21 |
