=719c. Texas Bewick Wren= (_T. b. cryptus_). Similar to No. 719, but grayer, brown of upperparts not so rich; slightly larger, W. 2.3.
Range.--"Texas, except the extreme western corner, states of Nuevo Leon and Tamaulipas, in Mexico, with probably Kansas, Indian Territory and Oklahoma; migratory north of Texas." (Oberholser.)
=719d. Southwest Bewick Wren= (_T. b. charienturus_). Similar to No. 719b but flanks and upper surface darker, eye-stripe rather broader, under tail-coverts more heavily barred, wing shorter, 2. (Oberholser.)
Range.--Coast region of southern California, north to about Pasadena, south to Lat. 28°, Lower California, Santa Catalina Island; resident. (Oberholser.)
=729e. Northwest Bewick Wren= (_T. b. calophonus_). Similar to No. 719a, but bill larger, upper surface usually rather deeper and richer brown, flanks somewhat more rufescent; W. 2.1; B. .6. (Oberholser.)
Range.--Pacific slope from Oregon north to southern Vancouver Island, valley of the Fraser River, and slightly farther along the mainland coast; probably resident. (Oberholser.)
=719.1. San Clemente Wren= (_Thryomanes leucophrys_) Similar to No. 719d, but flanks and upperparts rather grayer and paler, bill longer, under tail-coverts less heavily barred. (Oberholser.)
=720. Guadalupe Wren= (_Thryomanes brevicauda_). L. 4.5; W. 1.9. _Ads._ Resembling No. 719a, but rump with few or no concealed white spots; tail dull grayish brown, narrowly and indistinctly barred with dusky, two or three outer feathers with brownish gray tips. (Ridgw.)
Range.--Guadalupe Island, Lower California.
=721. House Wren= (_Troglodytes aëdon_). L. 4.7; T. 1.7. _Ads._ Above cinnamon brown, sometimes obscurely barred; tail the same, _all_ the feathers barred; below grayish with a brownish wash, lower belly and flanks usually more or less barred. _Notes._ Call, a scolding _krrring_; song, a bubbling, rippling, irrepressible little melody.
Range.--Eastern North America; breeds north to Maine, Montreal, and Manitoba; winters from South Carolina and the Lower Mississippi Valley southward into Mexico.
=721a. Parkman Wren= (_T. a. parkmanii_). Similar to No. 721, but less cinnamon above; intermediate in color between No. 721 and No. 721b.