BIRDS OF NORTH AND MIDDLE AMERICA. 255 



base of Charleston Mountains; Vegas Wash) and southern Utah 

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

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

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

 0ol6nia Diaz; near Nogales; Oputo; Nacori; Guaymas; Santa Cruz) 

 and Chihuahua (Col6nia Diaz; Col6nia Juarez; Casas Grandes; 

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

 (Cienega de las Vacas; Rio Sestin; Las Bocas; Rancho Baill6n; 

 Ros&rio; Matalotes). 



Pieus scalaris (not of Wagler) Baied, in Rep. Stansbury's 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; 

 GUa 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.). — Kbnnekly, 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). — Heebmann, 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. Whipple); Check 

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

 and Unflg. Birds N. Am., i, 1869, 7, part.— Cooper, Om. Calif., 1870, 379, 

 part (Colorado R. and adjacent mountains). — Baihd, Beewee, and Ridq- 

 WAT, Hist. N. Am. Birds, ii, 1874, 515, part. — Hbnshaw, Rep. Om. 

 Spec. Wheeler's Surv., 1874, 133 (30 miles s. 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). — Ridgwat, Proc. U. S. Nat, 

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

 STEE, Bull. Nutt. Om. Club, vii, 1882, 22 (Tucson and Cienega, Arizona). — 

 MoECOM, Bull. Ridgw. Om. 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. — Sclatee and Salvin, 

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



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



Pieus {DyctiopuMs) scalaris Baird, Rep. Pacific R. R. Surv., ix, 1858, p. xxviii, 

 part. 



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

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

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



Dendrocopus scalaris Haegitt, 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). 



[Picas scalaris] var. lairdi Baied, Beewer, and Ridgwat, Hist. N. Am. Birds, ii, 

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

 , D[ryobates] scalaris bairdi (not Picus bairdi Malherbe) Ridgwat, 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 Mts., Arizona, chiefly in oak 



