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BIRDS OF ARGENTINA, PARAGUAY, URUGUAY, AND CHILE 293
at Las Palmas, Chaco, on July 10,
secured.
1920, when an adult male was
At the Riacho Pilaga, Formosa, two were taken (a female and one
other put in alcohol) on August 14, and others were seen. On the
Sierra San Xavier near Tafi Viejo, Tucuman, they were fairly
common on the open slopes just above the forest on April 17, 1921,
and a female was secured. In the region of the Chaco the species
was found in heavy saw grass near the borders of low thickets. The
birds flew or climbed into the bushes where they worked away to
safety or remained at rest, often giving a curious tilting jerk to
the tail. They seemed to feed mainly on the ground. Above Tafi
Viejo they clambered slowly about among dense growths of weeds.
The call note was a rapid chit tuck.
Family COTINGIDAE
PACHYRAMPHUS VIRmiS YIRIDIS (Vieillot)
Tityra viridis Vieillot, Nouv. Diet. Hist. Nat., vol. 3, 1816, p.
guay.)
348. (Para-
A female, July 13 and a male July 14, 1920, shot near Las Palmas,
Chaco, were the only ones seen. The birds were encountered in heavy
forest near a stream, where they worked through the tops of the
trees in search of insects, in movement suggesting vireos, as they
frequently flew to a perch and remained for several seconds while
peering about. A large insect was beaten heavily on a limb. The
female uttered a low note that may be rendered as preer. The male,
when first killed, had the bill clear green-blue gray, except the tip
of the maxilla which was dusky ; tarsus and toes deep glaucous gi'ay
iris dull brown.
The two taken are similar to a specimen from Sapucay, Paraguay,
and agree with it in being larger than P. v. cuvierii from Bahia.
The wing measurement of the skins from Las Palmas is as follows
Male, 80.4 mm. ; female, 76 mm.
PACHYRAMPHUS POLYCHOPTERUS NOTIUS Brewster and Bangs "
Pachyrhamphus notius Brewster and Bangs, Proc. New England Zool.
Club, vol. 2, Feb. 15, 1901, p. 53. (Concepcion del Uruguay.)
The only one observed was an adult male that was shot January
31, 1921, near San Vicente, Uruguay, in a small tract of low forest
near the Laguna Castillos, where the bird perched like a flycatcher
on a dead limb in a small, well-shaded opening among the trees.
This specimen, with a wing measurement of 86.5 mm., presents in a
^ For use of the name notius, see Bangs and Penard, Proc. Biol. Soc. Washington,
vol. 35, Oct. 17, 1922, p. 225.
54207—26 20
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