BIEDS OF NOETH AND MIDDLE AMEEICA. 541 



to tawny buff) . (Eastern United States, except northern portion and 

 peninsula of Florida, west to western Texas. ) 



Thryothorus ludovicianus ludovioianus (p. 541) 

 bb. Larger « (adult male averaging) wing 62.6, tail 51.3, exposed culmen 18.5, 

 tarsus 22.5; adult female, wing 58.5, tail 48.6, exposed culmen 17.5, tarsus 

 21.5); coloration darker, the back, etc., rich to dark chestnut, the under 

 parts tawny clay color or tawny-ochraceous, often barred on sides or flanks 

 with brown or dusky. (Peninsula of Florida.) 



Thryothorus ludovicianus miamensis (ji. 545) 



aa. Wing and tail shorter (adult male averaging, wing less than 59, tail less than 50; 



adult female averaging, wing less than 56, tail less than 47.4) ;' upper parts 



duller colored (dull chestnut-brown to grayish brown). 



b. Darker and more richly colored, the upper parts dull chestnut-brown, the 



under parts deep clay color or tawny-ochraceous. (State of Nuevo Leon 



and adjacent parts of Coahuila and Tamaulipas, northeastern Mexico. ) 



Thryothorus ludovicianus berlandieri (p. 546) 

 bb. Paler and duller colored, the upper parts more grayish brown, the under parts 

 pale clay color to buffy white. (Lower Eio Grande Valley. ) 



Thryothorus ludovicianus lomitensis (p. 547) 



THRYOTHORUS LUDOVICIANUS LUDOVICIANUS (Latham). 

 CAROLINA WREN. 



Adults in spring and summer. — Above plain rusty brovrn (nearly 

 prouts-brovrn to chestnut-brown), duller on pileum (especially on 

 forehead), brighter (light chestnut or rufous-chestnut) on rump and 

 upper tail-coverts; rump with concealed roundish subterminal spots 

 of white, the feathers dark slate color oi^blackish slate basally ; wings 

 and tail duller brown than back, narrowly (sometimes indistinctly) 

 barred with dusky, the exterior rectrices and primaries with inter- 

 spaces between dusky bars much paler (pale buffy or dull whitish, 

 at least in part); middle wing-coverts and some of greater coverts 

 usually with a small triangular terminal spot of white or pale buffy, 

 margined (except terminally) with dusky; a sharply defined and con- 

 spicuous superciliary stripe of white or buffy white, bordered above 

 by a narrow black line along lateral margin of pileum and nape; 

 a broad postocular stripe of rufous-brown occupying upper half 

 (approximately) of auricular region, continued (sometimes brokenly) 

 across side of neck; suborbital region and lower portion of auricular 

 region dull white, buffy white, or pale buff, the feathers narrowly 

 edged or margined with dusky, producing a more or less distinctly 

 .streaked or squamate effect; malar region, chin, and upper throat 

 plain dull white; rest of under parts plain dull buffy white, more or 

 less strongly tinged with buff on chest, sides, flanks, and anal region, 

 or distinctly buff', deepest on flanks; under tail-coverts buffy whitish 

 or pale buff, broadly barred with black; flanks (occasionally sides also) 



a Specimens provisionally referred here from northern Florida are smaller, instead 

 of larger, than T. I. ludovicianus, but in coloration and larger bill agree with T. I. 

 miamensis. See footnote on p. 545. 



