BIRDS OF NOETH AND MIDDLE AMERICA. 



187 



tail, M-49 (47.4); exposed culmen, 8-9.5 (8.9); tarsus, 19-20 (19.9); 

 middle toe, 9-11 (10.1).« 



Adult female.— Length, (skins), 111-114 (112.2): wing, 64-58 (56.1); 

 tail, 44^9 (46.3); exposed culmen, 9-10 (9.7); tarsus, 19.5-20 (19.8); 

 middle toe, 10-11 (10.2).» 



Rio Grande Valley of Texas (Cameron and Hidalgo counties to 

 Kinney County) and northeastern Mexico, in States of Tamaulipas 

 (Matamoras; Ciudad Victoria; Mier; Soto La Maria), Nuevo Leon 

 (Monterey), and San Luis Potosi (Angostura, December). 



Vireo noveboracends (not Muscicapa noveboracensis Gmelin) Baird, Rep. IT. S. 

 and Mex. Bound. Surv., ii, pt. 2, 1859, 12 (Brownsville, Texas). — Mbrkill, 

 Proc. TJ. S. Nat. Mus., i, 1878, 125 (Fort Brown, Texas, breeding).— Sennett, 

 Bull. U. 8. Geol. and Geog. Surv. Terr., v, 1879, 389 (Lomita, s. Texas, 

 breeding). — Ridgway, Nom. N. Am. Birds, 1881, no. 143, part. — Cotjbs, 

 Check List, 2d ed., 1882, no. 181, part. — Salvin and Godman, Biol. Centr.- 

 Am., Aves, i, 1881, 200, part.— Gadow, Cat. Birds Brit. Mus., viii, 1883, 300, 

 part. — American Ornithologists' Union, Check List, 1886, no. 631, part. — 

 Cooke, Bird Migr. Miss. Val., 1888, 236, part (lower Rio Grande Valley).— 

 JouY, Proc. U. S. Nat. Mus., xvi, 1893, 778 (Hacienda Angostura, San Luis 

 Potosi, Dec. 16). 



[Fireo] noveboracensis Solatbr and Salvin, Nom. Av. Neotr., 1873, 12, part. 



Vlireol noveboracensis ConEs, Key N. Am. Birds, 2d ed., 1884, 334, part. — Ridg- 

 way, Man. N. Am. Birds, 1887, 475, part. 



Vireo noveboracensis micrus Nelson, Auk, xvi, Jan., 1899, 30 (Victoria, Tamau- 

 lipas; coll. U. S. Nat. Mus.). — Mearns, Auk, xix, 1902, 87 (Kinney and 

 Uvalde counties to Gulf coast, s. Texas; crit. ). — American Ornithologists' 

 Union Committee, Auk, xix, 1902, 326 (check list no. 631c). 



Vlireo'] nloveboracensisl micrus Bailey (Florence M. ), Handb. Birds W. U. S., 

 1902, 399. 



VIREO PERQUISITOR Nelson. 



VERA CRUZ VIREO, 



Similar to V. noveboracensis micrus, but smaller (except bill), tarsus 

 much shorter, upper parts entirely greenish olive, and under parts 

 wholly dingy yellowish. 



« Twelve specimens. 

 6 Six specimens. 



Specimens from southern Texas compare in average measurements with those 

 from Mexico as follows: 



The Texas specimens are typical as to coloration. 



