BIRDS OF NORTH AND MIDDLE AMERICA. 



107 



Balanosphyra formicivora aculeata Ridgway, Proc. Biol. Soc. Wash., xxiv, Feb. 



24, IBll, 35. 

 [Melanerpesformicivorus.] Subsp. a. Melanerpes melanopogon Hargitt, Cat. Birds 



Brit. Mus., xviii, 1890, 151, part (localities in Arizona and New Mexico; 



Sonora; Jesus Maria, San Jos6, Refugio, Tomochic, Pinos Altos, and Sonora, 



Chihuahua; Ciudad Durango, Durango). 

 Melanerpes formidvorus melanopogon Thayer and Bangs, Proc. Boston Soc. 



N. H., xix, Feb. 26, 1906, 19 (La Chumata, n. e. Sonora, breeding; crit.). 

 [Melanerpes] melanopogon Sharpe, Hand-list, ii, 1900, 209, part. 



BALANOSPHYRA FORMICIVORA BAIRDI (Ridgway). 



CALIFORNIA WOODPECKER, 



Similar to B. f. aculeata, but decidedly larger, uniform black of 

 chest still more extended, and lower throat more strongly yellow. 



Adult male. —hength (skins), 210-245 (225); wing, 137-149 (143.2); 

 tail, 73-88 (79.5); culmen, 26-31.5 (29.8); tarsus, 20.5-24.5 (22.4); 

 outer anterior toe, 17-19 (18.2)." 



Adult female.— Length (skins), 215-244 (227); wing, 135-149 

 (143.4); tail, 69.5-85.5 (80.7); culmen, 26-33 (28.3); tarsus, 20.5-24 

 (21.8); outer anterior toe, 16.5-19.5 (18.4).« 



Pacific coast district of United States, from northern Lower Cali- 

 fornia (Santo Tomas, July; Tecate Valley, June; Nachiguero Valley, 

 June; Burro Canon, Jime; Hansen's Kanch; Ensenada; San Pedro 

 Martir Mountains) to northwestern Oregon; straggler to south- 

 central Oregon (Fort Klamath). 



Piais formidvorus (not of Swainson) Lesson, Compl. Buff on, ix, 1837, 318. — 

 Vigors, Zool. Voy. "Blossom," 1839, 23 (Monterey, California). — Nuttall, 

 Man. Orn. U. S. and Can., Land Birds, 2d ed., 1840, 682 (mts. near Santa 

 Barbara, California). 



M[elanerpes] formidvorus Gray, Gen. Birds, ii, 1846, 444. 



Melanerpes formidvorus Gambel, Journ. Ac. Nat. Sci. Phila., 1847, 56 (Califor- 

 nia).— Cassin, Illustr. Birds Calif., Tex., etc., 1856, 7, part, pi. 2 (California; 

 habits).— Sclater, Proc. Zool. Soc. Lond., 1857, 127 (San Jose Valley, Cali- 

 fornia).— Newberry, Rep. Pacific R. R. Surv., vi, 1857, 90 (Sacramento 

 Valley, California to Columbia R.; habits). — Baird, in Rep. Stansbury's 

 Surv. Great Salt Lake, 1852, 333 (Santa Barbara); Rep. Pacific R. R. 



a Twenty specimens. 



Locality. 



MALES. 



Ten adult males from central and northern California (9) and 

 Oregon 



Ten adult males from San Diego County, southern California 

 (8) and northern Lower California (2) 



FEMALES. 



Ten adult females from central and northern California 



Ten adult females from San Diego County 



Outer 

 ante- 

 rior toe. 



18.5 

 17.8 



18.6 

 17.9 



