218 REVIEW OF AMERICAN BIRDS. [PART I. 
OPORORNIS, Bairp. 
Oporornis, Barry, Birds N. Am. 1858, 246. (Type Sylvia agilis, Wis.) 
Oporornis agilis. 
Sylvia agilis, Wus. Am. Orn. V, 1812, 64, pl. xxxix, fig. 4.—Aup. Orn. 
Biog. II, pl. 138 ; Bon. —Sylvicola ag. Jarp.; Aup. B. A. Il, pl. 99. 
—Trichas ag. Nutt.—Oporornis ag. Barry, Birds N. Am. 1858, 246, 
pl. lxxix, fig. 2.—? Trichas tephrocotis, Nutr. Man. 2d ed. 1840, 462 
(Chester Co., Penn.). 
Hab. Eastern province of United States. 
A specimen in the collection of the Philadelphia Academy, killed 
by Mr. Krider, has the darker ash of the jugulum of a decided sooty 
tinge. 
Smith-|Collec-| Sex When 
sonian| tor’s | and Locality. , Received from Collected b 
a No. |Age y Collected. y 
SN) a8 a0 Philadelphia. Oct. 1, °43. 8: Baird? 2° (ake 
2,309 fof Carlisle, Pa. May 20, 45. ee S. F. Baird 
20,876 os De Loudon Co., Va. state N. Janney. ©\+ | Useapires 
31,020 5 of Washington. Sept. 25, ’61. C. E. Schmidt. C. E. Schmidt. 
12,815 aia oe Racine, Wisc. May, 1858. Dr. Hoy. Dr. Hoy. 
35,031 “ of Cook Co., Ill. May 23, ’64. R. Keunicott. R. Kennicctt. 
(35,031.) 5.20; 8.90; 2.90. 
Oporornis formosus. 
2 Sylvia xquinoctialis, ViEu. Ois. Am. Sept. II, 1807, 26, pl. 81, Penn. 
(not of GMELIN). 
Sylvia formosa, Wits. Am. Orn. III, 1811, 85, pl. xxv, fig. 3.—Norz. ; 
Avp. Orn. Biog. I, pl. 838.—Sylvicola formosa, JARD.; Ricu.; Bon. ; 
Max. Cab. Jour. VI, 1858, 113.—Myodioctes formosus, Aup. Syn.— 
In. B. A. II, pl. 74.—Lemperye, Ay. Cuba, 1850, 37.—Gunpiacu, Cab. 
Jour. 1861, 326 (Cuba).—Oporornis formosus, BAirD, Birds N..Am. 
1858, 247.—Scrater & Sanvin, Ibis, I, 1859, 10 (Guatemala). 
OrnerR Locauities Cirep: Cuba, Cas. Jour. III, 472.—Mezxico, Scrater, 
Pr. 1862, 19.—Jsthmus Panama, LAwREncg, Ann. N. Y. Lyc. VII, 62. 
Hab. Eastern province of United States, north to Washington and Chicago ; 
Cuba, Guatemala, and Isthmus Panama. Not recorded from Jamaica and 
Mexico. 
The Sylvia xquinoctialis of Vieillot (but not of Gmelin, which is 
Geothlypis equinoct.) probably belongs here. The name, however, 
is geographically inapplicable, and cannot be retained. 
