BIRDS OF NORTH AND MIDDLE AMERICA. 251 



Southwestern border of ^lexican platoau, in States of Jalisco (Etzat- 

 lan; San Sebastian; Jaeala; Mesquitic; Bolafios), Michoacan (Queren- 

 daro), and Zaoatecas (El Conejo; Monte Escobedo). 



Pniaiii ruficcps ftisca Nel«on, Auk, xiv, Jan., 1897, 02 (EtzatUui, Jalisco, .':. w. 

 Mexico; U. S. Nat. Mu^. ). 



AIMOPHILA RUFICEPS EREMCECA (Brown). 

 KOOK SPAEROW, 



About the same size as A. r. scottil, but wing averaging longer, 

 tarsus shorter, bill stouter, and coloration much grayer above and paler 

 below; the back and scapulars smoke gray or olive-gray (sometimes 

 almost ash gray) narrowlj' streaked with brown, these streaks often 

 inclosing more or less distinct shaft-lines of black or dusky; chin, 

 throat, and abdomen almost white (often quite so in summer plumage). 



Adulf male.— Ijength (skins), 137.16-152.40 (144.27); wing, 65.53- 

 68.58 (67.06); tail, 66.04-71.12 (68.32); exposed culmen, 11.68-12.95 

 (12.45); depth of bill at base, 6.35-7.11 {6.S6); tarsus, 19.30-20.83 

 (20.07); middle toe, 15.21-15.75 (15.49).' 



Adult feJ7iah.~L,ength (skins), 138.43-149.86 (144.02); wing, 61.21- 

 65.28 (63.25); tail, 62.23-72.39 (66.80); exposed culmen, 11.43-12.95 

 (12.19); depth of bill at base (one specimen), 6.60; tarsus, 19.05-20.57 

 (19.81); middle toe, 14.99-15.75 (15.49).' 



Limestone hill districts of middle Texas, from Kinney and Maverick 

 counties, on the Rio Grande, northeastward to Cook Countj^ and west- 

 ward at least to Tom Green County;' south in winter to Puebla 

 (Chachapa)* and Vera Cruz (Maltrata, March), eastern Mexico. 



Peucsea ruficeps (not Armnodromus ruficeps Cassin) Allen, Bull. Nutt. Orn. Club, 

 iii, 1878, 188 (Gillespie Co., Texas). 



Pe.ucaea ruficeps eremeeca Beown, Bull. Nutt. Orn. Club, vii, Jan., 1882, 26, 38 

 (Kendall Co., Texas; coll. N. C. Brown). — Ragsdale, Bull. Nutt. Orn. Club, 

 vii, 1882, 122 (Gillespie Co., Texas); Auk, ix, 1892, 73 (chaparral belt. Cook 

 Co., Texas, May, Dec.).— Ridgway, Bull. Nutt. Orn. Club, vii, 1882, 258.— 

 Ameeican Oenithologists' Union, Check List, 1886, no. 580b. — Cooke, Bird 

 Migr. Miss. Yal., 1888, 207 (Gillespie Co., etc., Texas).— Attwatee, Auk, 

 ix, 1892, 338 (San Antonio, Texas, summer resid.). 



P. [euciea] ruficeps eremceca Ridgway, Man. N. Am. Birds, 1887, 429. 



Pcacaeof ruficeps eremoeca Reichenow and Schaloiv, Journ. fiir. Orn., 1884,407. 



Aimophila ruficeps eremoeca Ridgway, Auk, xvi, Jan., 1899, 81. — Ameeicax Oeni- 

 thologists' Union Committee, Auk, xvi, 1899, 120. 



' Seven specimens. 



' Six specimens. 



' Some specimens from Presidio and Mitchell counties may be referable to this 

 form, but those examined by me, as nearly as can be determined from their worn 

 breeding plumage, seem to be intermediate between the present bird and .1. r. scottii. 



'Specimen in Salvin-Godman collection, collected Jan. 17, 1889, by 'Prof. F. 

 Ferrari-Perez. 



