BIRDS OF NOETH AND MIDDLE AMERICA. 33 



de Xeres, and Sierra de Calvillo, Aguaa Calientes; Sierra de San Luia Potosi; 

 Sierra de Nayarit and Sierra Madre, Tepic; Guanajuato; Teteico, Chimalpa, 

 Ixtapalapa, and Temiscal tepee, Mexico; Real del Monte, Hidalgo; Popo- 

 catepetl, Ixtaccihuatl, San Miguel Molino, Texmelucan, and Totimehua- 

 can, Puebla; Laa Vigas, Suapam, Jalapa, Orizaba, Monte Alto, and Cofre 

 de Perote, Vera Cruz; La Parada, Totontepec, Tonaguia, and Villa Alta, 

 Oaxaca; Omilteme, Guerrero). 



[Colaptes] mexicanus Gray, Hand-list, ii, 1870, 202, no. 8830, part.— Coues, 

 Key N. Am. Birds, 1872, 198, part. — ScLAXERand Salvin, Norn. Av. Neotr., 

 1873, 101, part.— Sharpe, Hand-list, ii, 1900, 201. 



C[olaptes] mexicanus Coues, Key N. Am. Birds, 2d ed., 1884, 493, part. 



Geopicus mexicanm Malherbe, Mon. Picid., ii, 1862, 262, part, pi. 110, figs. 4, 5. 



Picus mexicanus Sundevall, Consp. Av. Picin., 1866, 72, part. 



P[icus] rubicatus Wagler, Isis, 1829, 516 (Mexico; coll. Berlin Mus.). 



Colaptes rubricatus Bonaparte, Proc. Zool. Soc. Lond., 1837, 109 (Mexico); 

 Nuov. Sc. Nat. Bol., ii, 1839, 403 (Mexico).— Bolle, Journ. fiir Orn., 1858, 

 319, part (Mexico; habits). 



[Colaptes] rubricatus Bonaparte, Consp. Av., i, 1850, 114. 



COLAPTES CAFER COLLARIS (Vigors). 



RED-SHAFTED FLICKER. 



Similar to G. c. cafer, but decidedly larger, and averaging decidedly 

 paler and more grayish (or less brownish) in coloration. 



Adult maZe.— Length (skins), 257-320 (280); wing, 156-174 

 (165.8); tail, 101-121 (112.6); culmen, 33.5-40 (37.9); tarsus, 27-32 

 (29.8); outer anterior toe, 20.5-24 (22.4).« 



Adult /emaZe.— Length (skins), 265-311 (282); wing, 152-173 

 (163.2); tail, 99.5-120 (109.8); culmen, 34-41.5 (36.9) ; tarsus, 27-31.5 

 (28.7); outer anterior toe, 20-23 (21.8).^ 



Western United States and southwestern British Provinces (except 

 coast district from northern California northward) and northern 

 Mexico; north to British Columbia (east of Coast Kange), central 

 Alberta and southwestern Saskatchewan, east to western portion of 

 the Great Plains (where interbreeding extensively with C. auratus 

 horealis and C. auratus luteus), occasionally or accidentally to 

 western Iowa (frequent), eastern Kansas (in winter), Oklahoma 

 (Caddo), etc.; south over northern Mexico, in States of Tamaulipas 

 (northern portion), Nuevo Le6n,<= Coahuila (Agua Nueva), Guana- 

 juato,*^ Chihuahua <^ (Chupadero; San Jose; Concepcion; Chihuahua 

 City; Temosachic; Colonia Garcia; Colonia Diaz; Pacheco; Chui- 

 chupa), Sonora (Hermosillo) , Zacatecas (Sierra de Jerez), northwest- 

 ern Durango*' (Rosario; Ciudad; Rancho Santuario; La Boquilla; Las 



"■ Forty-five specimens. 



b Thirty-six specimens. 



c As already stated on p. 31, specimens from Guanajuato, Durango, Nuevo Leon, 

 etc., while small, like C. c. cafer, have the paler, grayer coloration of C. c. collaris, 

 being thus intermediate between the two forms. On the whole, they seem best 

 referred to the latter. 



3622°— Bull. 50, pt 6—14 3 



