v02 MR. E. W. WHITE ON BIRDS [June 20, 
53. AGEL&uUS THILIUS (Mol.). 
3 Q. Rio Lujan, Buenos Aires, Arg. Rep., March 10, 1881. 
dé. a hy : March 7, 1881. 
Iris sepia. 
Rather common in the province of Buenos Aires, where it is found 
plentifully in swampy ground. The cone-like nest is constructed 
of grass and rush, lined with fine grass, and is placed about a foot 
above the water, between two or three rushes united together. The 
egg, rather elongated and pointed, has a bluish ground with black 
markings around the blunt end. It measures, axis 22 millim., diam. 
17 millim. 
54. XANTHOSOMUS RUFICAPILLUS (Vieill.). 
3. Oran, Salta, Arg. Rep., Nov. 18, 1880. 
Q@. Fuerte de Andalgala, Catamarea, Arg. Rep., Sept. 9, 1880. 
Frequents lofty trees, in the midst of which I have shot it both 
in Andalgala and Oran. 
55. AMBLYRHAMPHUS HOLOSERICEUS (Scop.). 
do. Punta Lara, B. Aires, Arg. Rep., Feb. 22, 1881. 
@. Rio Lujan, B. Aires, Arg. Rep., March 19, 1881. 
Iris dark. 
This beautiful bird is not uncommon in the swamps of the pro- 
vinces of Buenos Aires. 
56. Lristes SUPERCILIARIS, Bp. 
3. Salta, Arg. Rep., Oct. 23, 1880. 
Q. Salto, Buenos Aires, Arg. Rep., Oct. 10, 1881. 
Tris sepia. 
These birds, usually met with in marshy ground in October, fre- 
quent the alfalfares (lucerne-fields), evidently for nesting-purposes. 
The male has a very pretty song, which is usually uttered whilst 
poised on the wing; and, after the strain is finished, descending 
to the ground, it perches on some long grass-stalk. 
57. PsSEUDOLEISTES VIRESCENS (Vieill.). 
3. Punta Lara, Buenos Aires, Arg. Rep., Feb. 21, 1881. 
Iris dark brown. 
Found abundantly in this district, flying in flocks of about 
twenty. They settle in the marshy land, and, if disturbed, take to 
the topmost twigs of the belt of tala trees that here line the shore 
of the river. 
58. CyANOCORAX PILEATUs (Temm.). 
3. Campo Colorado, Oran, Salta, Arg. Rep., Nov. 4, 1880. 
Iris yellow. 
This Blue Jay is very common about the woods at Campo Colo- 
rado, and, besides being remarkably tame and inquisitive, has a great 
variety of peculiar grating metallic notes. On the sierras of Totoral 
I likewise met with it ; and it is found as far south as Tucuman and 
Catamarca, 
