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Show 1873.] THE BIRDS OF EASTERN PERU. 267 15. GYMNOMYSTAX MELANICTERUS (Vieill.); Scl. & Salv. P.Z.S. 1866, p. 182. "Upper and Lower Ucayali and Santa Cruz. Always found perched about the low mud banks of lakes; breeds in March. I obtained the young birds, just able to fly, in April."-E. B. 16. LEISTES GUIANENSIS (Linn.); Scl. & Salv. P. Z. S. 1867, p. 750. Xeberos (E. B.). "Xeberos is the only locality in which I obtained this bird. It is found on the campos or open tracts of land covered with tall grass."-E. B. 17. LAMPROPSAR TANAGR1NUS (Spix). Icterus tanagrinus, Spix, Av. Bras. i. p. 67, t. 64. fig. 1. Lampropsar guianensis, Cab. in Schomb. Guian. iii. p. 682, et Mus. Hein. i. p. 194. Quiscalus, sp. ?, Scl. & Salv. P. Z. S. 1866, p. 182. Lampropsar tanagrinus, Cab. Mus. Hein. p. 194 ; Pelz. Orn. Bras. p. 200. Icterus (Potamopsar) minor, Scl. Cat. A. B. p. 141. Hr. v. Pelzeln has compared Nattererian examples of this species with originals of Spix, and is therefore unquestionably correct in referring it to Spix's let. tanagrinus, though Sclater had supposed it to be the latter's Icterus minor. Sclater has compared one of Natterer's skins with the type of L. guianensis. " Sarayacu, Upper Ucayali, aud Santa Cruz ; congregated in small numbers of from eight to ten, and always in the dense forest."- E. B. 18. CASSIDIX ORYZIVORA (Gm.); Scl. & Salv. P. Z. S. 1867, p. 978. Pebas (Hauxwell) ; Upper Ucayali and Santa Cruz (E. B.). " This is a desperate enemy to the Indians, as on account of its powerful mandible and legs it is enabled to destroy the finest heads of Indian corn, grown in the outlying plantations of the Indians. The birds muster in flocks at the season of the year when the corn is ripe."-E. B. Fam. CORVIDCE. Only one Corvine bird is known to us from Upper Amazonia-one of the characteristic Neotropical group Cyanocorax. The same species also occurs in Bogota collections. CYANOCORAX VIOLACEUS (DU BUS) ; Scl. & Salv. P. Z. S. 1866, p. 182; 1867, pp. 750, 978. Cyanocorax azureus, Scl. P. Z. S. 1857, p. 265 (err.). Rio Javari (Bates) ; Pebas (Hauxwell); Upper and Lower Ucayali, Chyavetas, and Santa Cruz (E. B.). |