472 BULLETTlSr 50, UNITED STATER NATIdSTAL MUSEUM, 



Cl^erthia'] mexicana (not of Gmelin) (tloger, Ilandb. Naturg. Vog. Eur., 1834, 381, 

 footnote (ex Lichtenstein, inanuscript).« — REicnENBACH, Handb. Spec. Orn., 

 i, 1853, 266, pi. 562, fig3. 3841, 3842.— Sclater, Proc. Zool. Soc. Lend., 1856, 

 290 (Ranclio 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).— Baird, 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). — SuMicHRAST, Mem. Bost. Soc, N. H., i, 1869, 544 (alpine region of 

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

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

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

 Chilasco, 6,000 ft., etc.). 



ICerthia'] mexicana Sclater and Salvin, Nom. A v. Neotr., 1873, 5. — RinciWAY, 

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



Cerihia familiaris, var. mexicana Baird, Brewer, and Ridgway, Hist. N. Am. 

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



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

 (synonymy). 



\_Certhia familiarvi] Subsp. ex. 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. 

 726o, part. 

 ' C'[eri/wa] familiaris mexicana Ridgway, Man. N. Am. Birds, 1887, 558, part. 



C\_ertMa^ f\^amiliari.i\ 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, j^reoccupied ) . — American Ornithologists' Union, Check 

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

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

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

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

 8,000 ft.). 



Clerthia] familiaris alticola Hartert, Novit. Zool., iv, 1897, 139 (crit.). — Hell- 

 mayr, Tierreich, 18 Lief., 1903, 212. 



CERTHIA FAMILIARIS ALBESCENS (Berlepsch). 

 SIERRA MADRE CREEPER. 



Similar to O. f. alticola^ but general color of upper parts clearer, 

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

 white; under parts paler brownish gray; feet smaller. 



Adult ma^6^— Length (skins), 117-128 (121.5); wing, 61-66 (63.6); 

 tail, 57-64 (59.7); exposed culmen, 13.5-15 (U.2); tarsus, 14-15.6 

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



Adult female.— 'Length (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).* 



« Type in coll. Berlin Museum. ''Ten specimens. 



