108 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Surv., ix, 1858, 114, part; Cat. N. Am. Birds, 1859, no. 96, part.— Bolle, 

 Joum. fiir Orn., 1858, 321 (habits). — Heermann, Rep. Pacific R. R. Surv., 

 X, iv, no. 2, 1859, 58 (California; habits).— Cooper, Orn. Cal., 1870,403, 

 part. — CouES, Check List, 1873, no. 310, part.— Baird, Brewer, and Ridg- 

 WAY, Hist. N. Am. Birds, ii, 1874, pi. 53, figs. 1, 2.— Ridgway, Orn. 40th 

 Parallel, 1877, 553 (Sacramento, California); Proc. U. S. Nat. Mus., iii, 1880, 

 189; Nom. N. Am. Birds, 1881, no. 377.— Belding, Proc. U. S. Nat. Mus., i, 

 1878, 390, 391, 393, 430 (Big Trees and Murphy's, Calaveras Co., and Marys- 

 ville, California). 



[Melanerpes] formicivorus Gray, Hand-list, ii, 1870, 201, no. 8816, part.— CorES, 

 Key N. Am. Birds, 1872, 197, part. 



Melanerpes formicivorus, \a,T. formicivorus Baird, Brewer, and Ridgway, Hist. 

 N. Am. Birds, ii, 1874, 566, part, pi. 53, figs. 1, 2. 



Melanerpes formicivorus bairdi Ridgway, Bull. U. S. Nat. Mus. no. 21, Jan., 1881, 

 34 (no. 377), 85 (Petaluma, Sonoma Co., California; coll. U. S. Nat. Mus.).— 

 CouES, Check List, 2d ed., 1882, no. 454.— American Ornithologists' 

 Union, Check List, 1886 (and 2d ed., 1895), no. 407, part; 3d ed., 1910, 193.— 

 Evermann, Auk, iii, 1886, 94 (Ventura Co., California).— Townsend (C. H.), 

 Proc. U. S. Nat. Mus., x, 1887, 206 (Shasta Co., California).— Bendire, Auk, 

 v, 1888, 240 (Ft. Klamath, e. Oregon, straggler); Life Hist. N. Am. Birds, 

 ii, 1895, 112.— Bryant (W. E.), Proc. Calif. Ac. Sci., ser. 2, 1889, 287 (Han- 

 sens and Ensenada, Lower California). — Anthony, Zoe, iv, 1893, 236 (San 

 Pedro Martir Mts., Lower California).— Merriam (Florence A.), Auk, xiii, 

 1896, 117 (San Diego Co., California; habits).— Beal, Bull. 34, U. S. Biol. 

 Surv., 1910, 22 (food); Bull. 37, 1911, 43, pi. 4 (food). 



M[elanerpes] formicivorus bairdi Coues, Key N. Am. Birds, 2d ed., 1884, 489. — 

 Ridgway, Man. N. Am. Birds, 1887, 291. 



M[elanerpes] f[ormicivorus] bairdi Fisher (W. K.), Condor, viii, 1906, 107 (acorn 

 storehouse; illustrations). 



Balanosphyra fonnicivora bairdi Ridgway, Proc. Biol. Soc. Wash., xxiv, Feb. 24, 

 1911, 35. 



Pious melanopogon (not of Temminck) Sundevall, Consp. Av. Picin., 1866, 51, 

 part (California). 



[Melanerpes] melanopogon Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 

 223, part (California).— Shakpe, Hand-list, ii, 1900, 209, part (California). 



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

 Brit. Mus., xviii, 1890, 151, part (California localities). 



BALANOSPYHRA FORMICIVORA ANGUSTIFRGNS (Baird). 



NARROW-FRONTED WOODPECKER. 



Similar to B. f. formicivora, but wing averaging much shorter, bill 

 relatively larger, white frontal band decidedly narrower, lower throat 

 usually much more strongly yellow, white area on proximal portion of 

 remiges smaller, the adult female with black area on crown much 

 narrower. 



Adult maZe.— Length (skins), 198-222 (213); wing, 131-139.5 

 (135.7); tail, 72-79 (76.3); culmen, 26-30 (27.6); tarsus, 20-22.5 

 (21.1); outer anterior toe, 16.5-18 (17.2).« 



Adult female.— Length (skins), 193-224 (210); wing, 130-138 

 (134.8); tail, 64.5-80 (75.5); culmen, 25-27 (25.7); tarsus, 19-22 

 (20.5); outer anterior toe, 15-17 (16.3)." 



a Ten specimens. 



