BIRDS OF NORTH AND MIDDLE AMERICA. 297 



(?)Picoides americanus fumipectus Grinnell (J.), Univ. Calif. Pub. Zool., v, no. 2, 

 Feb. 18, 1909, 217 (Hoonah, Chichagoff I., Alaska; coll. Mus. Vertebr. Zool. 

 Univ. Calif.). 



(?)Picoides americanus dorsalis (not Picoides dorsalis Baird?) Nelson, Rep. Nat. 

 Hist. Coll. Alaska, 1887, 160 (Ft. Kenai; Kodiak).— Merriam, North Am. 

 Fauna, no. 5, 1891, 97 (Salmon R. Mts., Idaho). — Fannin, Check List Birds 

 Brit. Col., 1891, 28 (mts. e. of Cascade Range, n. to Cassiar). — Kermode, 

 Prov. Mus. Victoria, 1909, 49 (e. of Cascade Range, Brit. Columbia). 



PICOroES AMERICANUS DORSALIS (Baird). 



ALPINE THREE-TOED WOODPECKER. 



Similar to wliite-backed examples of P. a. fasciatus, but larger; 

 white markings on back usually all longitudinal (very rarely with 

 any transverse bars of black), white supra-auricular streak usually 

 broader, forehead usually with more black and less whitish spotting, 

 white spots or bars on inner web of innermost secondaries larger, 

 and sides and flanks usuaUy less heavily barred with black. 



Adult maZe.— Length (skins), 190-210 (201); wing, 120.5-128 

 (123.3); tail, 71-77.5 (75.2); cuhnen, 26-30.5 (28.9); tarsus, 20-22.5 

 (20.9); outer anterior toe, 10-12 (10.8).° 



Adult /emaZe.— Length (skins), 191-212 (198); wing, 118-129 

 (121.5); tail, 70-81.5 (76.1); cuhnen, 25-28 (26.5); tarsus, 19.5-21.5 

 (20.6); outer anterior toe, 10-11.5 (10.6).« 



Boreal forests of Rocky Mountain district, from northern Montana 

 (Paola; east side Bitterroot Mountains; Gallatin Basin; Belt Moun- 

 tains) and Wyoming (Lake Fork; Lower Geyser Basin; Laramie 

 Peak; Fort Bridger), southward through higher mountains of Colorado 

 to New Mexico (Pecos Baldy; Upper Pecos River; Zuni Mountains; 

 Jamez Mountains; Manzano Mountains; Santa Fe Mountains; Twin- 

 ing; Copperton; La Jara Lake; Cantonment Burgwyn; Rio Grande) 

 and Arizona (San Francisco Mountain; White Mountains; Bakers 

 Butte; Willow Springs; Kaibab Plateau). 



Picoides dorsalis Baird, Rep. Pacific R. R. Surv., ix, 1858, 100 (Laramie Peak, 

 Wyoming; coll. U. S. Nat. Mus.); ed. 1860 (Birds N. Am.), 100, atlas, pi. 85, 

 fig. 1; Cat. N. Am. Birds, 1859, no. 84.— Malherbe, Mon. Picid., i, 1861, 

 179.— Cassin, Proc. Ac. Nat. Sci. Phila., 1863, 203.— Gray, List Birds Brit. 

 Mus., Picidse, 1868, 31.— Merriam, Sixth An. Rep. U. S. Geol. Surv. Terr, 

 for 1872 (1873), 694 (Lower Geyser Basin, Wyoming). — Hargitt, Cat. Birds 

 Brit. Mus., xviii, 1890, 278 (Ft. Bridger, Wyoming; Santa Fe Mts. and Rio 

 Grande, New Mexico); Ibis, 1891, 467, in text (crit.). 



[Picoides] dorsalis Grat, Hand-list, ii, 1870, 181, no. 8538. — Sharpe, Hand-list, 

 ii, 1900, 217. 



T[ridactylia] dorsalis Cabanis and Heine, Mus. Hein., iv, heft 2, 1863, 26. 



PictLS dorsalis Sundevall, Consp. Av. Picin., 1866, 14. 



[Picoides americanus.] Var. dorsalis Baird, in Cooper's Orn. Calif., 1870, 386, 387 

 (crit.).— CouES, Key N. Am. Birds, 1872, 194. 



« Ten specimens. 



