BIRDS OF NORTH AND MIDDLE AMERICA. 473 



Mountains of northwestern Mexico, in Territory of Topic (Santa 

 Teresa), and States of Jalisco ((iuadalajara), Zacateeas (Siori'a Madre), 

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

 Mina Abundancia; Napolera: Chuchuiehupa) and Sonora (32 miles 

 south of Nt)oales), and soutliern Ai'izona (Santa Catalina, Santa Kita, 

 Huachuca, and Chiricahua mountains, etc.). 



Certhia familiarls mexicana (not Certhin m ex i cana Gloger) Brewster, Bull. Nutt. 

 Orii. Club, vii, Apr., 1882, 81 (Chiricahua Mts., s. Arizona); Auk, ii,^885, 

 197 (Santa Rita Mts., s. Arizona). — Scorr, Auk, ii, 1885, 350 (Santa Cafalina 

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

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

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

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

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



Clerthia'] flamiliaris'] mexicana Coues, Key N. Am. Birds, 2d ed., 1884, 273, part. 



CXerthici] fam.iliaris mexicana Ridgway, Man. N. Am. Birds, 1887, 558, part. 



Certliia mexicana o/ftescens Beklepsch, Auk, v, Oct., 1888, 450 (Durantro, Durango; 

 coll. Count von Berlepsch). 



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

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

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

 W. U. S., 1902, 451. 



C[er(hia'\ familiaris albescens Hautekt, Novit. Zool., iv, 1897, 139 (crit.). — IIell- 

 MAYR, Tierreich, 18 Lief., 1903, 212. 



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

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

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



Family TKOGLODYTID^. 



THE WRENS. 



Very small to niediuni sized, slender-billed, '' ten-primaried," aeuti- 

 plantar Oseines 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 lirst. sometimes 

 shorter than secondaries), the tenth well developed, at least h:dt" 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-shapinl, with tiie 



« Except in genera Telmatndl/tefi and Cistothorns, in which the inner toe is slightly 

 longer than the outer. 



''Longer than tarsus only in Catlierpes. 

 '"In one genus {Leucolepin) only. 



