80 Mr. C. H. B. Grant on Birds collected in Argentina , 
addition the yellow of the throat is very much duller and 
the white ring round the eye somewhat narrower. 
From Z. palpebrosa, which also occurs in the Peninsula, 
the species is at once differentiated by the yellow mesial 
streak on the abdomen and the absence of a yellowish” 
orange tinge on the forehead and in front of the eye. 
III .—List of Birds collected in Argentina , Paraguay , Bolivia, 
and Southern Brazil , with Field-notes. By Claude H. B. 
Grant, M.B.O.U.—Part I. Passeres. 
(Plate II.) 
The collections on which this paper is based were made in 
various localities in Argentina, Paraguay, and Southern 
Brazil (see map, Plate II.). At Los Ynglases I collected 
in the Ajo district, some fifty miles to the south of 
Buenos Aires, between September 1908 and June 1909, and 
from December 11th, 1909, to March 11th, 1910, on behalf 
of the British Museum and Mr. Ernest Gibson, F.Z.S. I 
also visited the following localities in Northern Argentina, 
Paraguay, and the Mat to Grosso district of Brazil (where I 
accompanied Mr. G. W. Tudor in his steam-launch f Leda/ 
on an expedition up the Rio Parana and Rio Paraguay), 
between the end of July and the middle of November 1909, 
when we proceeded as far north as Corumba in Matto 
Grosso :— 
Northern Argentina. —Rosario, Santa Elena, Esquina, 
Goya, Bella Yista, Riacho Ancho, Colonia Mihanovitch. 
Paraguay .—Humaita, Tayru, Villa del Pilar, Tebicuari, 
Arjerichi, Villa Franca, Villa Oliva, Mortero, Santa Rosa, 
Villeta, Monte Alto, Maseras, Puerto San Juan, Puerto Asir, 
Curuzu Chica, Sapatero Cue, Puerto Pinasco, Colonia Risso, 
Cerro Concurencia, Puerto Maria, Puerto Medano, Fuerte 
Olimpo, Cabo Emma, and Bahia Negra. 
Bolivia .—The few miles of the river-bank that have now 
