BIRDS OF NOETH AND MIDDLE AMERICA. 255 



base of Charleston Mountains; Vegas Wash) and southern Utah 

 (Santa Clara Kiver); south through northern and middle Sonora 

 (Espia ; Boca Grande ; Magdalena ; Bacadahuachy ; Hermosillo ; Mocte- 

 zuma; Guadalupe; Senoyta; Pozo de Luis; Colorado River below 

 Colonia Diaz; near Nogales; Oputo; Nacori; Guaymas; Santa Cruz) 

 and Chihuahua (Colonia Diaz; Colonia Juarez; Casas Grandes; 

 Indines; Chihuahua; San Diego; Rio Grande) to northern Durango 

 (Cienega de las Vacas; Rio Sestin; Las Bocas; Rancho BaUlon; 

 Rosarioj Matalotes). 



Picas scalaris (not of Wagler) Baird, in Rep. Stansbnry'a Surv. Great Salt Lake, 

 1852, 333 (California; New Mexico); Rep. Pacific R. R. Surv., ix, 1858, 94, 

 part (Chihuahua, Boca Grande and Espia, Sonora; Colorado R., California; 

 Gila R. Arizona); Cat. N. Am. Birds, 1859, no. 79, part; Rep. U. S. and 

 Mex. Bound. Surv., ii, pt. 2, 1859, 5, part (Boca Grande; Espia; GilaR.; 

 Colorado R.). — Kennerly, Rep. Pacific. R. R. Surv., iv, pt. vi, 1856, 16 

 (Camp 112, "New Mexico"); x, pt. iv, no. 3, 1859, 22, part (Bill Williams 

 Fork and Colorado R., Arizona). — Heesmann, Rep. Pacific R. R. Surv., 

 X, no. 1, 1859, 18, part (s. California); x, pt. iv, no. 2, 1859, 57, part 

 (Vallecito and Ft. Yuma, s. California). — Coues, Ibis, 1865, 159 (Ft. 

 Whipple, Arizona); Proc. Ac. Nat. Sci. Phila., 1866, 52 (Ft. WTiipple); Check 

 List, 1873, no. 297, part; 2d ed., 1882, no. 434, part.— Elliot, Illustr. New 

 and Unfig. Birds N. Am., i, 1869, 7, part.— Cooper, Orn. Calif., 1870, 379, 

 part (Colorado R. and adjacent mountains). — Baird, Brewer, and Ridg- 

 WAY, Hist. N. Am. Birds, ii, 1874, 515, part. — Henshaw, Rep. Orn. 

 Spec. "WTieeler's Surv., 1874, 133 (30 miles e. of Apache, Gila R., and San 

 Pedro R., Arizona); Zool. Expl. W. 100th Merid., 1875, 390 (San Pedro R.. 

 Camp Lowell, Cienega, Gila R., etc., Arizona). — Ridgway, Proc. U. S. Nat, 

 Mus., iii, 1880, 189, part; Nom. N. Am. Birds, 1881, no. 363, part.— Brew- 

 ster, Bull. Nutt. Orn. Club, vii, 1882, 22 (Tucson and Cienega, Arizona).— 

 MoRCOM, Bull. Ridgw. Orn. Club, no. 2, 1887, 41 (Yuma, California).— 

 Allen, Bull. Am. Mus. N. H., v, 1893, 35 (Oputo and Bacadehuachy, n. e. 

 Sonora; San Diego, n. w. Chihuahua). 



[Picus] scalaris Coues, Key N. Am. Birds, 1872, 192, part. — Sclater and Salvin, 

 Nom. Av. Neotr., 1873, 99, part. 



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



Picus (Dyctiopicus) scalaris Baird, Rep. Pacific R. R. Surv., ix, 1858, p. xxviii, 

 part. 



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

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

 Scott, Auk, iii, 1886, 426 (Pinal, Pima, and Gila counties, Arizona). 



Dendrocopus scalaris Hargitt, Cat. Birds Brit. Mus., xviii, 1890, 246, part (locali- 

 ties in New Mexico and Arizona; San Gorgonio Pass, California; Indines, 

 Chihuahua; Hermosillo and Moctezuma, Sonora). — Salvin and Godman, 

 Biol. Centr.-Am., Aves, ii, 1895, 435, part (Arizona; Hermosillo and Guaymas, 

 and Guadalupe, Sonora; Indines, Chihuahua). 



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

 1874, 517, part (Arizona, etc.). 



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

 1887, 285, part. 



Dryobates scalaris bairdi American Ornithologists' Union, Suppl. to Check 

 List, 1889, 22, part; Check List, 2d ed., 1895, no. 396, part.— Rhoads, Proc. 

 Ac. Nat. Sci. Phila., 1892, 116 (Santa Catalina Mta., Arizona, chiefly in oak 



