BIRDS OF NORTH AND MIDDLE AMERICA, 431 



[PipU()'\ /h.s('((.s- Sclater and Salvi.v, Nom. Av. Neotr., 1873, 33, part. 



[Pipilo fuscus'] \ar. fuscKS Baird, Brewer, and Riduvvay, Hist. N. Am. Birds, ii, 



1874,121 (Temascaltepec; Cordova). 

 Kkneria fuHca Bonaparte, Compt. Rend., xl, 1855, 356. 

 (?) Pipilo mesoleucus (not of Baird) Sclater, Cat. Am. Birds, 1862, 120, part 



(Mexico). 

 Pipilo fuscus var. crissalis (not Frmgilla crissaiis Vigors) Lawrence, Mem. Bost. 



Soc.N.H.,ii, 1874, 277 (Guadalajara; Tepic). 



PIPILO FUSCUS POTOSINUS Ridgwa> . 

 PLATEAU BROWN TOWHEE. 



Similar to P. f. fH.scii.'< but large i-, paler, and grayer, the pileuni paler 

 and more frequently tinged with rust}- brown; l>uff of gular area 

 paler, with surroiuiding du.sky triangular spots averaging smaller and 

 not so black; color of under tail-coverts, etc., slightly paler (dull ochra- 

 ceous or ochraceous-bulf rather than tawny or cinnamon-tawny). 



Adult laah'.—ljQ^ngth. (skins), 184.91-213.36 (197.87); wing, 92.-t6- 

 101.35 (9.5.25); tail, 89.92-106.17(95.25); exposed culmen, 14.48-15.75 

 (14.99); tarsus, 23.62-26.67 (25.40); middle toe, 17.27-18.29 (18.03).' 



Adult female— Ijc^wcrih (skins). 184. 91-207. 26 (192.79): wing, 83.82- 

 95.76 (88.90); tail, 88.39-99.57 (92.96); exposed culmen, 15.24-16.00 

 (15.49); tarsus, 24.38-26.92 (25.40); middle toe, 17.02-18.29 (17.53).' 



Central portion of Mexican plateau, from States of Puebla, Vera 

 Cruz (western edge), Hidalgo, San Luis Potosi. Guanajuato, etc., 

 north to Durango, southern Chihuahua, southern Nuevo Leon, and 

 southwestern Tamaulipas (M^quihuana). 



Pipilo fuscus (not Pipilo fusca Swainson) Sclater, Proc. Zool. Soc. Lond., 1856, 

 804 (San Andreas Chalchicomula, near Cordova, Vera Cruz). — Du<iES, La 

 Naturaleza, i, 1868, j.40 (Guanajuato). — (?) Scmichrast, Mem. Bost. Soc. N. 

 H., i, 1869, 552 (plateau and alpine reg.. Vera, Cniz). — Salvin and Godman, 

 Biol. Centr.-Ani., Aves, i, 188(5, 409, part (Santa Catarina, Nuevo Leon; 

 Guanajuato; Vera Cruz). — Rid(;way, Proc. U. S. Nat. Mus., ix, 1886, 148, 

 part (Puebla; Guanajuato; Santa Catarina; crit. ). — Sharpe, Cat. Birds Brit. 

 Mus., xii, 1888, 752, part (Puebla; n. Mexico).— (?) Stone, Proc. Ac. Nat. Sci. 

 Phila., 1890, 215 (Chalchicomula, Vera Cruz, nearly to base of Mount Ori- 

 zaba). — Jouv, Proc. U. S. Nat. Mus., xvi, 1894, 780 (Ahuak 'co and San Luis 

 Potosi; habits). — (?) Cox, Auk, xii, 1895, 357 (Orizaba, and at lower timber 

 line). — (?) Chapman, Bull. .'.m. Mus. N. H., x, 1898, 41 (Las Vigas, Vera 

 Cruz, alt. 8,000 ft.). 



[P//>//o] /H.SCU.S' Sclater and Salvin, Nom. A v. Neotr., 1873, 33, part. 



P. [ipiln] fuscus RiDGWAY, Man. N. Am. Birds, 1887, 440, part. 



Pijiilo uiesoleucus (not of Baird, 1854) Baird, Rep. U. S. and Mex. Bound, ourv., 

 ii, pt. ii, 1859, 18, part (Santa Catarina, Nuevo Leon). — (?) Sclater, Cat. 

 Am. Birds, 1862, part (Mexico). 



Pipilo fuscus potosinus Ridgway, Auk, xvi, July, 1899, 254 {Guanajuato, Mexico; 

 U.S. Nat. Mus.). 



' Twelve specimens. '■* Six specimens. 



