74 REVIEW OF AMERICAN BIRDS. [PART I. 
Smith-! Collee-| Sex When 
sonian| tor’s | and Locality. Received from Collected b 
No. No. | Age. Collected. y 
12,376 8 sf Buenos Ayres. ane Capi. 2.0. Page. || 9 specie 
12,372 8 ff ee ill ie Pome: aeccee OL eM Pee ys fa 
16,3387] 54 Paraguay. TUNG BSOON wT Ma saiee Fl, oameiere 
16 336 54 Brazil. OckITSS0 Att Pak eres OE Suir tao 
16,848 . d Bolivia. Aric Walter Hivans. - |. cess 
16,847 Q “ Si) fecal to eee 
12,376. Steamer Argentina. 12,372. Do. 16,338? Expl. of Parana. 16,336. Do. 
Polioptila plumbea. 
Polioptila plumbea, Bairp, Pr. A. N. Sc. VII, June, 1854, 118.—Is. Birds 
N. Am. 1858, 382, pl. xxxiii, fig. 1. 
Hab. Arizona. 
The only specimens received additional to those mentioned 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 czrulea. 
Motacilla cerulea, Linn. Syst. Nat. I, 1766, 337 (based on Wotacilla 
parva cerulea, Epw. tab. 302).—Culicivora cerulea, Cas. Jour. 
1855, 471 (Cuba).—Polioptila cxrulea, ScuaTer, P. Z. 8. 1855, 11. 
—Is. Catal. 1861, 12, no. 70.—Bairp, Birds N. Am. 1858, 380. 
Motacilla cana, Gu. 8. N. I, 1788, 973. 
2Culicivora mexicana, Bon. Consp. 1850, 316 (not of Cassin), female.— 
Polioptila mexicana, ScuateEr, P. Z. 8. 1859, 363, 373.—Is. Catal. 
1861, 12, no. 71. 
Figures: Vigruu. Ois. II, pl. 88.—Witson, Am. Orn. II, pl. xviii, fig. 3. 
—Avp. Orn. Biog. I, pl. 84.—Is. B. A. I, pl. 70. 
Hab. 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. cerulea, 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. Verreaux, and of others received from Guatemala, 
T am unable to distinguish them from P. cxrulea. One of these, 
No. 22,418 (38,658 of Verreaux), 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 caerulea 
in the small, rather narrow, falcate first primary, scarcely two-thirds 
