296 S YS TEMA TIC S YNOPSIS. — PA S SERES — OSCINES. 



averaging slightly longer. This is " Bewick's " Wren of the Pacific Coast region, from British 

 Columbia to Southern and Lower California, and Western Mexico. 



T. leu'cophrys. (Gr. XevKos, Uncos, white; o^pi;?, ophrus, eyebrow.) San Clemente 

 Wren. Resembling T. b. spUurus ; upper parts with a decided grayish wash; superciliary 

 stripe white, very conspicuous ; under tail-coverts less heavily barred ; bill longest. San 

 Clemente Island, 75 miles oif coast of California, common in cactus and other bushes. An- 

 thony, Auk, Jan. 1895, p. 52; A. 0. U. List, 2d ed., 1895, p. 299, No. 719.1. 

 T. cerroen'sis. (Lat., of Cerros Isl., Spanish cerro, a mountain or large hill.) Cerros 

 Island Wren. Like the last ; darker above ; less gray on the flanks ; bill shorter. Cerros 

 Island, Lower California. Anthony, Auk, Apr. 1897, p. 166. 



T. brevicau'dus. (Lat. brevis, short; cauda, tail.) Guadalupe Wren. Resembling 

 T. bewicki lencogaster, but distinct. Above grayish-brown, grayest on tail, brownest on 

 rump ; few if any concealed white spots on the rump ; wing-feathers obsoletely and tail- 

 feathers distinctly cross-barred with dusky ; the 3 outermost of the latter pale dull gray at ends, 

 with one or two broad dusky bars. A strong white superciliary stripe, below which a grayish- 

 brown loral and auricular stripe. Below, w^hite, shaded into ashy on belly and sides; crissum 

 M'ith broad black bars. Wing 1.85-1.90; tail 1.80; bill 0.45-0.50; tarsus 0.70-0.75. Gua- 

 dalupe Island, Lower California. Thrijomanes brevicauda Ridgw., Bull. U. S. Geol. Surv., ii, 

 Apr. 1876, p. 186; Thnjothorus brevicaudus Coues, Key,.2d-4th eds., 1884-90, p. 868; 

 Thryothorus (Thryomanes) brevicaudus Ridgw., Man., 1887, p. 551. Tliryotliorus brevicauda 

 Sharpe, Cat. B. Brit. Mus., vi, 1881, p. 227. Thryothorus {Thryomanes) brevicauda, A. 0. U. 

 Lists, 1st and 2d eds., 1886-95, No. 720. 



TROGLOD'YTES. (Gr. rptoyXoSurr;?, troglodutes, a cave-dweller.) House Wrens. Of 

 small size; no decided superciliary line. Upper parts not uniform in color; back more or less 

 distinctly barred crosswise ; wings, tail, and flanks fully barred crosswise ; tail about equal to 

 wing in length, the outstretched feet scarcely or not reaching beyond its end. Eggs colored. 



Analysis of Species and Subspecies. 



Umber-brown on back, little barred there. Eastern U. S a'edon 



Grayish-brown on back, more barred there. Western U. S aedon aztecus 



Brown on back, most barred. Pacific coast a'edon parkniani 



T. aedon, (Gr. ai?Sa)i/, dedon, the songstress, applied by Hesiod to the Nightingale ; in Homer 

 as a proper name, 'At/Swi', daughter of Pandareus, changed into a Nightingale.) Eastern 

 House Wren. Brown, brighter behind; below rusty-brown, or grayish-brown, or even 

 grayish-white ; everywhere waved with darker shade, very plainly on wings, tail, flanks, and 

 under tail-coverts, breast apt to be darker than either throat or belly; bill shorter than head, 

 about 0.50; wings and tail nearly equal, about 2.00, but ranging from 1.90 to 2.10; total 

 length 4.50-5.25, averaging about 4.90; extent about 6.75. Exposed portion of 1st primary 

 about ^ as long as longest primary. Eastern U. S., N. to Canada, AV. to Dakota ; very abun- 

 dant anywhere in shrubbery, gardens, and about dwellings, where its active, sprightly, and 

 fearless demeanor, together with its hearty trilling song, bring it into friendly notoriety. Nest 

 of any trash in a hole of a building, fence, tree, or stump ; eggs 6-9, 0.65 X 0.55, profusely and 

 uniformly studded with minute points of brown, often rendering an almost uniform color ; two or 

 three broods each season. Resident in the South, migratory elsewhere. (T. domesticus of 2d- 

 4th eds. of the Key, 1884-90, after Bartram.) 



T. a. az'tecus. (Lat., Aztec, as this form was originally described from Mexican specimens.) 

 Western House Wren. Brown above, little brighter on rump, nearly everywhere waved 

 with dusky, strongest on wings and tail, but usually appreciable on the whole back. Below 

 brownish-white, nearly white on belly, obscurely variegated with darker markings, which on 

 flanks and crissum become stronger bars, alternating with brown and wliitish ones. Bill black- 



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