498 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



and flanks more extensively, and usually darker, brown than in T. p. 

 palustris, the chest often strongly shaded pale brown or brownish 

 bufl"; frequently the chest or sides (or both) are speckled with dusky, 

 and sometimes the sides and flanks are barred with darker brown; 

 under tail-coverts distinctly, often broadly, barred with brown or 

 dusky; mandible usually dusky for much the greater part of its length. 



Adult male.—L&ngih. (skins), 100-113 (106.9); wing, 47.5-52 (48.2); 

 tail, 37-43 (39.1); exposed culmen, 14-15.5 (14.4); tarsus, 19-20.5 

 (19.8); middle toe, 11-12 (11.6).« 



Adult female.— Length (skins), 96.5-114.5 (105.3); wing, 40^8.5 

 (44.7); tail, 34.42 (39.1); exposed culmen, 13-14 (13.5); tarsus, 17.5- 

 20.5 (18.7); middle toe, 10.5-12 (11.2).» 



South Atlantic coast of United States, from North Carolina (Pea 

 Island,'' Gull Island Shoal," Koanoke Island," Bogue Bank) to South 

 Carolina) near Charleston) and western Florida (Tarpon Springs, 

 November to February; Anclote, February to April). 



CUsiothorus marianx Scott, Auk, v, Apr., 1888, 188 (Tarpon Springe, s. w. Florida; 

 coll. W. E. D. Scott<«); vii, 1890, 117 (Tarpon Springs to Cedar Keys; habits) ; 

 ix, 1892, 214 (Caloosahatchie R., winter).— Chapman, Auk, v, 1888, 400.— 

 Wayne, Auk, viii, 1891, 239 (Mount Pleasant, South Carolina, 1 spec, Dec. 

 16); xvi, 1899, 361 (Mount Pleasant, Apr. 16; crit.).— Brewstek, Auk, x, 

 1893, 215-219 (crit.). — American Ornithologists' Union, Check List, 2d 

 ed., 1895, no. 725.1.— Bishop, Auk, xviii, 1901, 268 (Pea Island, North Caro- 

 lina, Feb. 8). — Bangs, Auk, xix, 1902, 353 (range). 



C[islothorus] p\^aluslris\ marianx Brewster, Auk, x, July, 1893, 218, 219 (crit.). 



Oistolhorus palustris marianx Bidgway, Man. N. Am. Birds, 2d ed., 1896, 610. 



Cistothorits palustris gmeus (not of Brewster) Pearson, Auk, xvi, 1899, 250 (Top- 

 sail Inlet, near Beaufort, North Carolina, Aug. 2; Gull Island, Pimlico Sound, 

 North Carolina, breeding. ) 



TELMATODYTES PALUSTRIS THRYOPHILUS Oberholser. 

 LOUISIANA MARSH WREN. 



Similar to T.p. ma/rianx., but paler and still smaller; pileum always 

 extensively brown medially, often mostly brown; brown of scapulars, 

 rump, etc., lighter, sometimes approaching broccoli brown or drab; 

 upper tail-coverts unbarred, or with bars very indistinct; under parts 

 never (?) speckled, but chest more or less strongly tinged with brown- 

 ish buff, and sides and flanks extensively brown. Differing from 

 T. p. palustris in decidedly smaller size, duller brown of upper parts, 

 and more extensively brown under parts. 



Adult male.— Length, (skins), 106-110 (107.7); wing, 47-48 (47.4); 

 tail, 40-41 (40.4); exposed culmen, 12.5-14 (13.1); tarsus, 20-20.5 

 (20.1); middle toe, 13-14 (13.6).« 



"Fourteen specimens. ''Type now in coll. Am. Mus. N. H. 



^ Seven specimens. ^ Four specimens, 



« Breeding at these localities. 



