448 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(12.95); depth of bill at base, 6.86-7.62 (7.11); tarsus, 23.11-25.40 

 (23.88); middle toe, 14.73-16.61 (15.49).' 



Adadt female.— Ijewgth (skins), 139.70-148.69 (143.51); wing, 58.93- 

 62.23 (60.96); tail, 56.61-63.50 (59.94); exposed culmen, 11.94-13.21 

 (12.95); depth of bill at base, 6.35-7.37 (7.11); tarsus, 22.86-24.64 

 (23.37); middle toe, 14.73-16.75 (15.24).^ 



Southern Texas (north to Fort Clark, Corpus Christi, San Patricio, 

 etc.); south through northeastern Mexico, in States of Tamaulipas, 

 Nuevo Leon, and San Luis Potosi. (Specimens from southern Ta- 

 maulipas and Nuevo Leon and San Luis Potosi are not typical, but 

 vary toward ^1. /'. cranHirostrls.) 



Embernagra rufimrgata Lawrence, Ann. Lye. N. Y., v, May, 1851, 112, pi. 5, fig. 

 2 (Eio Grande, Texas; coll G. N. Lawrence). — Baikd, in Stansbury's Rep. 

 Gt. Salt Lake, 1852, 330 (Rio Grande) ; Rep. Pacific R. R. Surv., ix, 1858, 487, 

 part (Ringgold Barracks, Texas; Nuevo Leon, Mexico); ed. 1860 ("Birds 

 N. Am."), atlas, pi. 55, fig. 2; Rep. U. S. and Mex. Bound. Surv., ii, pt. ii, 

 1859, 16, pi. 17, fig. 2; Cat. N. Am. Birds, 1859, no. 373.— Butcher, Proc. Ac. 

 Nat. Sci. Phila., 1868, 150 (Laredo, Texas).— Coues, Check List, 1873, no. 

 209. — Baird, Bkewek, and Ridgway, Hist. N. Am. Birds, ii, 1874, 47, pi. 28, 

 fig. 8.— Merrill, Bull. Nutt. Orn. Club, i, 1876, 89 (Fort Brown, Texas; 

 breeding habits; descr. nest and eggs); Proc. U. S. Nat. Mus., i, 1878, 128 

 (do.; song, habits, etc.). — Sexnett, Bull. U. S. Geol. and Geog. Surv. Terr., 

 iv, no. 1, 1878, 22 (Brownsville and Hidalgo, Texas); v, 1879, 394 (Lometa, 

 Texas; measurements, etc.; descr. young). — Ridgway, Nom. N. Am. Birds, 

 1881, no. 286. — American Ornithologists' Union, Check List, 1886, no. 

 586. — Salvin and Godmax, Biol. Centr.-Am., Aves, i, 1886, 411 (Nuevo 

 Leon). — Sharpe, Cat. Birds Brit. Mus., xii, 1888, 760. — Chapman, Bull. Am. 

 Mus. N. H., iii, 1891, 326 (Corpus Christi, Texas).— Rhoads, Proc. Ac. Nat. 

 Sci. Phila., 1892, 109 (Corpus Christi and San Patricio, breeding). — Singley, 

 Rep. Geol. Surv. Tex., 1894, 372 (Hidalgo).— Nehrling, Our Native Birds, 

 etc., ii, 1896, 169, pi. 32, fig.' 3. 



[Emberizoides'] rufimrgata Gr.ay, Hand-list, ii, 1870, 91, no. 7332. 



A.\rremonops] rufivirgata Ridgway, Man. N. Am. Birds, 2d ed., 1896, 435. 



Arremonops rufivirgata American Ornithologists' Union Committee, Auk, xiv, 

 1897, 129. 



lEmbemagra'] rufivirgata Coues, Key N. Am. Birds, 1872, 153. — Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 33, part. 



E. [mbernagra'] rufivirgata Ridgw.4.y, Man. N. Am. Birds, 1887, 435. 



Embemagra rufomrgata Coues, Check List, 2d ed., 1882, no. 311. 



E.\mbemagra'\ rufomrgata Coues, Key N. Am. Birds, 2d ed., 1884, 398. 



[Embemagra rufivirgata'] a. rufimrgata Ridgway, Proc. U. S. Nat. Mus., i, Dec. 10, 

 1878, 248, 249 (synon.; crit.). 



ARREMONOPS RUFIVIRGATUS CRASSIROSTRIS Ridgway. 

 CORDOVA SPARBOW. 



Similar to A. r. rufivirgatxin but with the bill much stouter, wing and 

 tail decidedly shorter, and coloration darker; back, etc., darker olive- 

 green, flanks deep buiJy olive, and under ta'il-eoverts deep buffy. 



' Seven specimens. '■' Six specimens. 



