The Bewick Wrens 
No. I34d San Clemente Wren 
A. O. U. No. 719.i. Thryomanes bewicki leucophrys (Anthony). 
Description. —Similar to T. b. charienturus, but averaging paler and duller 
throughout, with reduction of black barring (especially on under tail-coverts) and 
increase of white in superciliary. 
Range of T. b. leucophrys. —Common resident on San Clemente Island. 
Authorities.—Cooper ( Thryothorus bewickii), Proc. Calif. Acad. Sci., vol. iv., 
1870, p. 78, part; Anthony, Auk, vol. xii., 1895, p. 51 (orig. desc. of Thryothorus leuco¬ 
phrys; San Clemente Id.). 
No. I34e Santa Cruz Island Wren 
A. O. U. No. 7i9d, part. Thryomanes bewicki nesophilus Oberholser. 
Description. —Similar to T. b. charienturus, but flanks much more strongly 
tinged with brownish. 
Range of T. b. nesophilus. —Common resident on Santa Cruz and Santa Rosa 
Islands. 
Authorities.—C. H. Townsend ( Thryothorus bewickii bairdi ), Proc. U. S. Nat. 
Mus., vol. xiii., 1890, p. 141 (Santa Cruz Id.); Oberholser, Proc. U. S. Nat. Mus., vol. xxi., 
1898, p. 442 (orig. desc.; Santa Cruz Id.); J. Mailliard, Bull. Cooper Orn. Club, vol. i., 
1899, p. 42 (habits); Howell and van Rossem, Condor, vol. xv., 1913, p. 92 (nest). 
No. 134f San Joaquin Wren 
A. O. U. No. 7i9d, part. Thryomanes bewicki drymoecus Oberholser. 
Description. —Similar to T. b. charienturus, but “upperparts decidedly browner,” 
“tail shorter" [about one millimeter], “bill longer” [.9 and .8 mm respectively in male and 
female], and “feet smaller” [Heaven only knows how much]. 
Range of T. b. dryjmascus (Wholly contained within California).—Resident in 
the Upper Sonoran zone of the great interior valley, broadly defined—involves the inner 
coast ranges, possibly to the sea in San Luis Obispo and northern Santa Barbara 
counties, west as far as Helena in Trinity County, north to Baird in Shasta County, 
northeast to the Warner Mountains (Grinnell), east well into the Sierran foothills 
(Kenawyer's south fork of Kings River, July 9, 1913), south to the Tejon Mountains. 
Authorities. — Heermann ( Troglodytes Bewickii ), Jour. Acad. Nat. Sci. Phila., 
ser. 2. ii.. 1853, p. 263 (Calif.); Oberholser, Proc. U. S. Nat. Mus., vol. xxi., 1898, p. 437 
(monogr.; orig. desc.; type locality, Baird, Shasta Co.); Barlow, Condor, vol. iii., 1901, 
p. 182 (Fyffe; song); Swarth, Proc. Calif. Acad. Sci., 4th ser., vol. vi., no. 4, 1916, p. 68, 
map (monogr.; distr.; etc.). 
No. I34g Vigors’s Wren 
A. O. U. No. 719a, part. Thryomanes bewicki spilurus (Vigors). 
Description. —Similar to T. b. charienturus , but decidedly browner (darker than 
drymoecus even) and slightly smaller. 
Range of T. b. spilurus (Wholly contained within California).—“Common 
resident of the Upper Sonoran chaparral association in the humid coast belt, from 
northern Monterey County north up to the Golden Gate; east around the south arm 
of San Francisco Bay at least to Berkeley” (Grinnell). 
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