REVIEW OF AMERICAN BIRDS. 



[part I. 



Locality. 



Buenos Ayres. 



Paraguay. 



Brazil. 



Bolivia. 



Wlien 

 Collected. 



June, 1859. 

 Oct. 1869. 



Received from 



Capt. T. J. Page. 



Walter Evana, 



Collected by 



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



Polioptila plumliea. 



Polioptila plumbea, Baird, Pr. A. N. So. VII, June, 1854, 118. — Ib. Birds 

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



Hah. Arizona. 



The only specimens received additional to those mentioned in 

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

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



Polioptila caerulea. 



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



parva csrulea, Edw. tab. 302). — Culicivora cserulea, Cab. Jour. 



1855, 471 (Cuba). — Polioptila cserulea, Sclatee, P. Z. S. 1855, 11. 



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

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



? Culicivora mexicana, Bon. Consp. 1850,316 (not of Cassin), female. 



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



1861, 12, no. 71. 

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



—Add. Orn. Biog. I, pi. 84.— Ib. B. A. I, pi. 70. 



Bab. Middle region of U. S., from Atlantic to Pacific, and soutli to Guate- 

 mala. Cuba, Gundlach and Bryant. 



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

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

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



After a careful examination of Mexican specimens, labelled P. 

 mexicana by Mr. Terreaux, and of others received from Gruatemala, 

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

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

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

 a little whiter than usual, not more so than in specimens from 

 Tamaulipas and Illinois. 



All these specimens from the south agree with northern cserulea 

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



