574 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



riorly, the lores also whitish; auricular region pale brownish, streaked 

 with paler, darker along upper margin; under parts white, or brown- 

 ish white, changing to pale buffy brown on sides and flanks, the latter 

 sometimes very faintl}" barred; under tail-coverts pale buffy brown or 

 cinnamon, tipped with dull white, and crossed by one or two narrow 

 bars of blackish or dark brown; maxilla dark brown or blackish, with 

 pale tomia; mandible pale brownish (flesh colored in life), sometimes 

 darker terminally; legs and feet light brownish (in dried skins). 



AduU vnale.—hength (skins), 116-130 (121); wing, 50-55.5 (52.7); 

 tail, 40-48 (44.5): exposed culmen, 16-18 (16.7); tarsus, 20-21 (20.6); 

 middle toe, 12-14 (13.3).« 



Adult female.— hength (skins), 113-125 (121); wing, 50-57 (53.1); 

 tail, 42-45 (43.6); exposed culmen, 15.5-17 (16.5); tarsus, 19-20.5 

 (19.9); middle toe, 13-15 (13.7).^ 



Cozumel Island, Yucatan. 



Troglodytes bcani Ridgway, Descr. New Species Birds from Cozumel, Feb. 26, 

 1885, 1; Proc. Biol. Soc. Washington, iii, 1885, 21 (Cozumel I., Yucatan; coll. 

 U. S. Nat. Mus.) ; Proc. U. S. Nat. Mus., viii, 1885, 563 (full description).— 

 Salvin, Ibis, 1888, 245 (crit.).— Oberholser, Proc. U. S. Nat. Mus., xxvii, 

 1904, 208 (crit.). 



Tlroglodyles'] beani Ridgway, Man. N. Am. Birds, 1887, 553. 



TROGLODYTES PENINSULARIS Nelson. 

 MANGROVE WREN. 



Similar in coloration to T. heani., but much smaller and upper parts 

 more grayish, with rump, etc., less rufescent; similar also to T. aedon 

 parhnanil^ but upper parts more uniform and under parts paler, with 

 chest and sides pale pinkish buffy, the flanks dull ochraceous-buffy, very 

 indistinctly if atall barred; size slightly smaller, with bill and feetlarger. 



Adults {se^'es alil'e).—Aho\% plain broccoli brown, slightly grayer 

 (more hair brown) anteriorly, more decidedly brown (cinnamomeous 

 broccoli brown) on rump and upper tail-coverts, the latter more or 

 less distinctly barred with darker; scapulars and interscapulars some- 

 times with faint narrow bars of darker; feathers of rump with large 

 concealed guttate spots of white, their basal portion slate color; tail 

 brownish cinnamon or light cinnamon-brown, rather narrowly V)arred 

 with dusky; wings intermediate in color between back and tail, the 

 greater coverts and remiges barred with dusky, these bars broader 

 on primaries, the brown interspaces paler (pale wood brown); tip of 

 outermost middle coverts with a more or less distinct (sometimes very 

 minute) median wedge-shaped or guttate mark of white; an indis- 

 tinct superciliary streak of pale brownish buffy; auricular region pale 

 grayish brown, narrowly and indistinctly streaked with paler; malar 

 region, chin, throat, chest, and anterior portion of sides pale dull 



o Nine specimens. ^ Five specimens. 



