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432 BULLETIN 133, UNITED STATES NATIONAL MUSEUM
Ijgj.g 31 jjj 1898, says they had spread over a radius of 50 leagues
from that city. At the present time they are found throughout the
settled central Provinces and are extending the area of occupation
rapidly. Mr. E. Lynch Arribalzaga ^^ reported in 1920 that they
had appeared about the church in Resistencia., Chaco, about 11 years-
previous, and I found them fairly common at Las Palmas, Chaco,
where they were said to have arrived about 1917. In traveling north
from Santa Fe I recorded them from the train as far as Vera, Santa
Fe, but did not see them again until I reached Resistencia. J. H.
Reboratti ^'^ notes that they arrived at Concepcion, Corrientes, about
1916.
In Formosa they were fairly common, and I was astonished, on
August 21, 1920, to note a few about the railroad station at Kilometer
182, the farthest point inland to which I penetrated along
the government railroad. It was an even greater surprise to note
a pair, on October G, in the little plaza opposite the railroad station
in Asuncion, Paraguay, where they were nesting in a hollow in a
tree. At the time I supposed this to be the first record of them for
Paraguay, but since have seen a statement by Bertoni^* that the
species has been seen in some numbers in the streets of Ascuncion,
since 1920. Bertoni cites a rumor that the sparrow' had been im-
ported from Buenos Aires on two occasions, but considers it probable
that it has invaded Paraguay of its own volition. The latter is
credible, as Passer at the time in question had established itself near
the Argentine frontier.
English sparrows were common at Lavalle, Buenos Aires, and
one even appeared, on November 7, at a remote cabin hidden among
the sand dunes of the coast, 25 kilometers below Cape San Antonio.
To the south they were common in Bahia Blanca, and extended along
the line of railroad to the west as far as Zapala, Neuquen, at the base
of the Andes. Peters ^^ noted them in Rio Negro during 1920 and
1921 at Puesto Horno, Maquinchao, and Huanuluan, and I heard
rumor that they had spread as far as 16 de Octubre, in northwestern
Chubut. Bennett ^^ has noted their arrival in Port Stanley, in the
Falkland Islands, in November, 1919, as stowaways aboard four
sailing vessels from Montevideo.
I found the sparrow common at Victorica, Pampa, December 23,
and saw it at Potrerillos, Mendoza, March 15, Tunuyan, Mendoza,
=1 Fauna Arg.', 1898, p. 545.
^sEl Hornero, vol. 2, 1920, pp. 97-98.
S3 El Hornero, vol. 7, 1919, p. 194.
** Rev. Soc. Cient. Paraguay, vol. 1, July, 1923, pp. 73-74.
=^Bull. Mus. Comp. Zool., vol. 65, May, 1923, p. 331.
3« El Hornero, vol. 2, 1921, p. 225. See also p. 204.