258 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



P[icus] scalaris Coues, Key N. Am. Birds, 2d ed., 1884, 481, part. 



Dryobates scalaris Ridgway, Proc. U. S. Nat. Mus., viii, Sept. 2, 1885, 355, part. — 

 American Ornithologists' Union, Check List, 1886, no. 396, part. — Lloyd, 

 Auk, iv, 1887, 190 (Tom Green and Concho counties, Texas). — Hancock, 

 BulL Ridgw. Orn. Club, no. 2, 1887, 16 (Corpus Christi, Texas). — Hasbrouck, 

 Auk, vi, 1889, 238 (Eastland Co., Texas). 



Dendrocopus scalaris Hargitt, Cat. Birds Brit. Mus., xviii, 1890, 246, part, 571 

 (localities in Texas; Nuevo Leon; Nuevo Laredo, Soto la Marina, and Sierra 

 Madre near Victoria, Tamaulipas). — Salvin and Godman, Biol. Centr.-Am., 

 Aves, ii, 1895, 435, part (Nuevo Laredo, Topo Chico, and Hacienda de las 

 Escobas, Nuevo Leon; Sierra Madre near Victoria and Soto la Marina, Tamau- 

 lipas; Texas). 



[Dendrocopus] scalaris Sharpe, Hand-list, ii, 1900, 215, part. 



[Picus scalaris] var. scalaris Baird, Brewer, and Ridgway, Hist. N. Am. Birds, 

 ii, 1874, 517, part (Texas). 



D[ryobates] scalaris bairdi (not Picus bairdi Malherbe) Ridgway, Man. N. Am. 

 Birds, 1887, 285, part (Texas). 



Dryobates scalaris bairdi Beckham, Proc. U. S. Nat. Mus., x, 1887, 637, 640, 664 

 (Bexar and Bee counties, Texas). — Cooke, Bird Migr. Miss. Val., 1888, 129 

 (San Angelo, etc., Texas); Bull. Col. Agric. Coll., no. 37, 1897, 83 (Pueblo and 

 Huerfano counties, s. e. Colorado, resident); no. 44, 1898, 162 (St. Charles 

 Canyon, Pueblo Co., Colorado, 1 pair breeding); Auk, xxvi, 1909, 413 (Baca 

 Co., Colorado; Springfield, Baca Co., Colorado, April, May; Swink, Otero 

 Co., Colorado, Oct.). — American Ornithologists' Union, Suppl. to Check 

 List, 1889, 22, part; Check List, 2d ed., 1895, no. 396, part; 3d ed., 1910, 188, 

 part. — Attwater, Auk, ix, 1892, 235 (San Antonio, Texas, resident). — 

 Rhoads, Proc. Ac. Nat. Sci. Phila., 1892, 106 (Corpus Christi, abundant). — 

 Bendire, Life Hist. N. Am. Birds, ii, 1895, 63, part. — Carroll, Auk, xvii, 

 1900, 344 (Refugio Co., Texas). 



Dryobates scalaris symplectus Oberholser, Proc. U. S. Nat. Mus., xli, June 30, 

 1911, 140, 155 (mouth of Nueces River, Texas; coll. U. S. Nat. Mus.). 



DRYOBATES SCALARIS BAIRDI (Malherbe). 



BAIRD'S WOODPECKER. 



Similar to D. s. scalaris but decidedly larger and much darker; 

 black bars on back, etc., and on lateral rectrices equal to or exceeding 

 white interspaces in width, under parts more grayish (less buffy) 

 brownish, and forehead dark sooty instead of light smoky brownish. 



Adult male.— Length (skins), 167-180 (173); wing, 102-107.5 

 (104.4); tail, 56-62.5 (60.1); exposed culmen, 20-23.5 (22.1); tarsus, 

 17-18.5 (17.7); outer anterior toe, 12-14 (12.7).« 



Adult female.— Length, (skins), 162-175 (169); wing, 97.5-103 

 (101.3); tail, 57-62 (59.7); exposed culmen, 19.5-20.5 (20); tarsus, 

 16-17 (16.7); outer anterior toe, 12-13 (12.3).^ 



Southeastern portion of Mexican plateau, in States of Puebla 

 (Chalchicomula; Atlixco; Puente Colorado; San Miguel Molino; 

 Pin4l, near Puebla), San Luis PotosI (Hacienda La Parada; Ahual- 

 ulco; Moctezuma; Hacienda Angostura, Rio Verde), Hidalgo (Tula; 



a Seven specimens. & Six specimens. 



