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596 MR. E. w. W H I T E O N BIRDS [June 20, high up that I could not mark any difference between it and numbers of Progne tapera flying about. It is the only one of this species that I have seen in Buenos Aires. 19. HIRUNDO LEUCORRHOA, Vieill. cJ. Santo Tome', Corrientes, Arg. Rep., May 16, 1881. Iris dark. I found this species very abundant near Santo Tome ; my specimen I obtained when numbers of them were flying over a small lagoon close to the river Itacua. 20. ATTICORA CYANOLEUCA (Vieill.). S. Salto, Buenos Aires, Arg. Rep., Oct. 18, 1881. 2 . Catamarca, Aug. 5, 1880. This pretty little bird is found abundantly distributed over the campos. It builds its nest within the burrows of the Biscacha (Lago-stomus trichodactylus) ; and half a dozen more may be seen at a time flying round their holes. 21. COTILE FUCATA (Temm.). 3. Santo Tome, Corrientes, Arg. Rep., May 16, J881. Iris dark. Several of these birds 1 saw flying about with the Hirundo leucorrhoa near the Itacua. 22. EUPHONIA CHLOROTICA (Linn.). S • Concepcion, Misiones, Arg. Rep., June 28, 1881. 2 . Fuerte de Andalgala, Catamarca, Arg. Rep., Sept. 20, 1880. Iris dark. At Concepcion, in the old Jesuit ruins, I saw three or four of these pretty little birds on a giant cactus some 40 or 50 feet high, where they were busy pecking the ripe pear-like fruit. I obtained one male and two females; but they were not common. 23. TANAGRA STRIATA (Gm.). 3 . Fuerte de Andalgala, Catamarca, Arg. Rep., Sept. 10, 1880. 2 . Punta Lara, B. Aires, Arg. Rep., Feb. 24, 1881. Iris brown. I have found this bird distributed over nearly all the Republic. I obtained a specimen of this bird the feathers of which in the left wing were in a peculiar abnormal condition. 24. TANAGRA SAYACA, Wied. S. Oran, Salta, Arg. Rep., Nov. 18, 1880. 2 • „ Nov. 12, 1880. 3. Punta Lara, B. Aires, Arg. Rep., Feb. 23, 1881. Iris sepia. This species is also common over most of the Republic. In Oran they are found abundantly in the orange-groves, and utter usually only a few low notes that are very misleading as to their where- |
