Range.—"Cape San Lucas district of Lower California (Sierra de la Laguna; Victoria Mountains); resident" (Ridgway).
Page [214]. After No. 633a. add: 633b. Texas Vireo (V. b. medius). "Similar to V. b. belli, but coloration paler and tail averaging longer; pileum and hindneck brownish gray instead of grayish brown; olive of back, etc. grayer; underparts whiter with olive-yellow of sides and flanks much paler; under tail-coverts and axillars white, yellowish white, or very pale sulphur yellow" (Ridgway).
Range.—"Southwestern Texas (Presidio, Brewster and Kinney Counties) south to Coahuila and Guanajuato, central Mexico" (A. O. U.).
Pages [215], [216]. The Wren-Tits have been revised and their ranges more correctly defined, and to the two forms given two more have been added. The four races now recognized stand as follows: 742. Wren-Tit (Chamæa fasciata fasciata). Characters as described and figured.
Range.—"Upper Sonoran zone on the eastern and southern shores of San Francisco Bay and adjacent Santa Clara Valley" (A. O. U.).
742a. Pallid Wren-Tit (C. f. henshawi). Similar to C. f. fasciata, "but decidedly paler, the back, scapulars, rump, etc. grayish brown (deep hair-brown), the pileum and hindneck brownish gray (nearly mouse-gray or deep smoke-gray), and general color of underparts varying from very pale grayish buff to buffy ecru-drab, or pale, vinaceous-buff, fading to nearly white on lower abdomen" (Ridgway).
Range.—"Upper Sonoran Zone of foothills and valleys of interior and southern California from Shasta County south to northern Lower California, and along the coast from Monterey Bay southward" (A. O. U.).
742b. Coast Wren-Tit (C. f. phæa). Characters as stated on page 216.
Range.—"Humid Transition Zone of Pacific Coast of Oregon and northern California (from Columbia River to Humboldt Bay)" (A. O. U.).