n 



REVIEW OF AMERICAN BIRDS. 



[part I. 



Locality. 



Buenos Ayres. 



Paraguay. 



Brazil. 



Bolivia. 



When 

 Collected. 



June, lS.i9. 

 Oct. 1859. 



Received from 



Collected by 



Capt. T. J. Paj 



Walter Evan.s. 



12,376. Steamer Argentina. 12,372. Do. 16,338? Expl. of Parana. 16,336. Do. 



Polioptila pliiiiil)ea. 



Polioptila plumhea, Baird, Pr. A. N. Sc. VII, June, 1854, 118.— Ib. Birds 

 N. Am. 1858, 382, pi. xxxiii, fig. 1. 



Ilah. Arizona. 



The only specimens received additional to those nicntioned in 

 Birds N. A. are Nos. 11,541 and 11,542, collected at Fort Yuma, 

 by Lt. Ives. The species appears to be confined to Arizona. 



Polioptila caerulea. 



Motacilla caeriilen, Linn. Syst. Nat. I, 1766, 337 (based on Motacilla 



parva cxrulea, Edw. tab. 302). — Culicivora caerulen, Cab. Jour. 



1855, 471 (Cuba). — Polioptila caerulea, Sclater, P. Z. S. 1855, 11. 



— Ib. Catal. 1861, 12, no. 70.— Baird, Birds N. Am. 1858, 380. 

 Motacilla cuna, Gm. S. N. I, 1788, 973. 

 : ? Culicivora mexicana, Bon. Consp. 1850,316 (not of C.\s.sin), female. — 



' Polioptila mexicana, Sclater, P. Z. S. 1859, 363, 373. — Ib. Catal. 



1861, 12, no. 71. 

 Figures : Vieill. Ois. II, pi. 88. — Wilson, Am. Orn. II, pi. xviii, fig. 3. 



— AuD. Orn. Biog. I, pi. 84.— In. B. A. I, pi. 70. 



Hah. Middle region of U. S., from Atlantic to Pacific, and south to Guate- 

 mala. Cuba, Gundlach and Bryant. 



A winter specimen, from near Cape St. Lucas, of P. cseridea, has 

 the ash of the back washed with a brownish tinge. I have not seen 

 this in any oVavv specimens to anything like the same extent. 



After a careful examination of Mexican specimens, labelled P. 

 mexicana by Mr. Yerreaux, and of others received from Guatemala, 

 I am unable to distinguish them from P. cseridea. One of these, 

 No. 22,418 (38,658 of Yerreaux), has the black frontal line, and the 

 same pure bluish ash of northern specimens. The lores are perhaps 

 a little whiter than usual, nut more so tlian in specimens from 

 Taraaulipas and Illinois. 



All these s})ecimens from the south agree witli northern cseridea. 

 in the small, rather narrow, falcate first primary, scarcely two-thirds 



