472 -BtTLL-ETm 50, trKITED STATES KATIONAL MtJSEUM. 



Clerthia] mexicana (not of Gmelin) Glogeb, Handb. Naturg. Vog. Eur., 1834, 381, 

 footnote (ex Lichtenstein, manuscript). « — Reichenbach, Handb. Spec. Orn., 

 i, 1853, 266, pi. 562, figs. 3841, 3842.— Sclater, Proc. Zool. Soc. Lond., 1856, 

 290 (Rancho de Suapam, near Cordova, Vera Cruz) ; 1858, 297 (La Parada, 

 Oaxaca); 1859, 362 (Jalapa, Vera Cruz), 372 (Cinco Senores, Oaxaca); Cat. 

 Am. Birds, 1862, 15 (Jalapa).— Baied, Rep. Pacific R. R. Surv., ix, 1858, 

 373, in text, part (Mexico); ed. 1860 (Birds N. Am.), atlas, pi. 83, fig. 2 

 (Mexico); Review Am. Birds, 1864, 90 (Mexico).— Salvin, Ibis, 1866, 190 

 (Volcan de Fuego, Totonicapam, and ridge above San Geronimo, Guate- 

 mala). — SuMicHEAST, Mem. Bost. Soc, N. H., i, 1869, 544 (alpine region of 

 Moyoapam, Popocatapetl, and Orizaba). — Salvin and Godman, Biol. Centr.- 

 Am., Aves, i, 1879, 61 (Volcan de Fuego, 10,200-12,000 ft.; near Totoni- 

 capam, 10,000 ft.; Puebla Viejo, Vera Paz, 4,000 ft.; pine forests near 

 Chilasoo, 6,000 ft., etc.). 



[Certhia] mexicana Sclatek and Salvin, Nom. Av. Neotr., 1873, 5. — Ridgway, 

 Proc. U. S. Nat. Mus., v, 1882, 116 (crit). 



Certhia familiaris, var. mexicana Baikd, Brewer, and Ridgway, Hist. N". Am. 

 Birds, i, 1874, 128 (Mexico; Guatemala). 



ICerihia familiaris'] var. mexicana Coues, Birds Col. Val., 1878, 147, part 

 (synonymy). 



{Certhia familiaris'] Subsp. a. Certhia mexicana Gadow, Cat. Birds Brit. Mus., viii, 

 1883, 326, part, excl. syn. part (Mexico). 



Certhia familiaris mexicana (not of Ridgway, 1880) Goode, Bull. U. S. Nat. Mus., 

 no. 20, 1883, 312. — American Ornithologists' Union, Check List, 1886, no. 

 726a, part. 



C[erihia] familiaris mexicana Ridgway, Man. N. Am. Birds, 1887, 558, part. 



C[erthia] f[amiliaris] mexicana Coues, Key N. Am. Birds, 2d ed., 1884, 273, 

 part. 



Certhia familiaris alticola Miller, Auk, xii, Apr., 1895, 186, part (to replace C. 

 mexicana Gloger, preoccupied). — American Ornithologists' Union, Check 

 List, 2d ed., 1895, no. 726a, part.— Cox, Auk, xii, 1895, 358, Mount Orizaba, 

 Vera Cruz, 11,000 ft.).— Ridgway, Man. N. Am. Birds, 2d ed., 1896, 558, 

 part. — Obbrholsee, Auk, xiii, 1896, 316 (description; synonymy; crit.). — 

 Chapman, Bull. Am. Mus. N. H., x, 1898, 39 (Las Vigas, Vera Cruz, 

 ,8,000 ft.). 



C[_erthia] familiaris alticola"H.AKiERT, Novit. Zool., iv, 1897, 139 (crit.). — Hell- 

 MAYR, Tierreioh, 18 Lief., 1903, 212. 



CERTHIA FAMILIARIS ALBESCENS (Berlepsch). 

 SIERRA UADRE CREEPER. 



Similar to C. f. alUcola, but general color of upper parts clearer, 

 or less brownish, sooty, with streaks broader and more decidedlj^ 

 white; under parts paler brownish gray; feet smaller. 



Adult male.— Length (skins), 117-128 (121.5); wing, 61-66 (63.6); 

 tail, 57-64 (59.7); exposed culmen, 13.5-15 (1-4.2); tarsus, 14-15.5 

 (14.7); middle toe, 10-11.5 (10.8); hind claw, 7-8 (7.4).* 



Adult female.— hangth. (skins), 113-128 (120.8); wing, 58-65 (61.7); 

 tail, 55-62.5 (59.4); exposed culmen, 11-14.5 (13.3); tarsus, 14-15 

 (14.6); middle toe, 10-11 (10.6); hind claw, 7-8 (7.4). » 



a Type in coll. Berlin Museum. 6 Ten specimens. 



