BIEDS OF NORTH ANB MIDDLE AMERICA. 473 



Mountains of northwestern Mexico, in Territory of Tepic (Santa 

 Teresa), and States of Jalisco (Guadalajara), Zacatecas (Sierra Madre), 

 Durango (Ciudad Durango; El Salto), Chihuahua (Bravo; Pinos Altos; 

 Mina Abundancia; Napolera; Chuohuichupa) and Sonora (33 miles 

 south of Nogales), and southern Arizona (Santa Catalina, Santa Rita, 

 Huachuca, and Chiricahua mountains, etc.)- 



Certhia familiaris mexicana (not Certhia mexicana Gloger) Beewstek, Bull. Nutt. 

 Orn. Club, vii, Apr., 1882, 81 (Chiricahua Mts., s. Arizona); Auk, ii, 1885, 

 197 (Santa Rita Mts., s. Arizona).— Scott, Auk, ii, 1885, 350 (Santa Catalina 

 Mts., s. Arizona); v, 1888, 165 (Santa Catalina Mts.). — Allen, Auk, ii, 1885, 

 350, footnote (exit.); Bull. Am. Mus. N. H., v, 1893, 41 (Chuchuichupa and 

 Napolera, n. w. Chihuahua, Dec, Jan.). — American Ornitholooists' Union, 

 Check List, 1886, no. 726a, part.— Jouy, Proc. U. S. Nat. Mus., xvi, 1893, 

 776 (32 m. s. of Nogales, Sonora, June 19). 



C\_ertMa\ f[amiUans\ mexicana CouES, Key N. Am. Birds, 2d ed., 1884, 273, part. 



C[erthia'] familiaris mexicana Ridgway, Man. N. Am. Birds, 1887, 558, jiart. 



Certhia mexicana albescens Berlepsch, Auk, v, Oct., 1888, 450 (Durango, Durango; 

 coll. Count von Berlepsch). 



Certhia familiaris albescens Obeeholser, Auk, xiii, Oct., 1896, 315 (description; 

 synonymy; crit. ). — American Ornithologists' Union Committee, Auk, xiv, 

 1897, 132 (Check List no. 726a).— Bailey (Florence M.), Handb. Birds 

 W. U. S., 1902, 451. 



C[erthia'] familiaris albescens 'Ra'risb.i, Novit. Zool., iv, 1897, 139 (crit.). — Hell- 

 MAYE, Tierreich, 18 Lief., 1903, 212. 



Certhia familiaris alticola Miller, Auk, xii, Apr., 1895, 186, part. — American 

 Ornithologists' Union, Check List, 2d ed., 1895, no. 726c, part (Arizona). — 

 Ridgway, Man. N. Am. Birds, 2d ed., 1896, 558, part (Arizona). 



Family TROGLODYTIDiE. 



THE WEENS. 



Very small to medium sized, slender-billed, " ten-primaried," acuti- 

 plantar Oscines with the hallux (without claw) as long as longest lat- 

 eral (outer)** toe, the basal phalanx of middle toe united for most of 

 its length to outer toe and for at least half its length to inner toe, the 

 acrotarsium distinctly scutellate, and the wing much rounded, with 

 eighth to fourth (usually seventh, sixth, and fifth) primaries longest, 

 the ninth never longer than third (often shorter than first, sometimes 

 shorter than secondaries), the tenth well developed, at least half as 

 long as ninth. 



Bill elongated and compressed, usually slender and more or less 

 decurved terminally, sometimes slenderly straight-subulate, of varia- 

 ble relative length, but exposed culmen never much longer than tar- 

 sus* (usually much less), rarely'' almost wedge-shaped, with the 



"■ Except in genera Telmatodytes and Cisiolhorus, in which the inner toe is slightly 

 longer than the outer. 



i Longer than tarsus only in Catherpes. 

 « In one genus {Leucolepis) only. 



