142 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
the posterior portion; sides of neck mummy brown; chin and throat 
black (chin sometimes mostly white), broken, more or less, by nar- 
row shaft-streaks or small spots of white or chestnut, the feathers 
of lower throat sometimes tipped with chestnut; rest of under parts 
mostly white, heavily marked with broad U-shaped bars of black, 
the flanks light mummy or chestnut-brown, indistinctly barred with 
dusky, the under tail-coverts brownish white or pale tawny barred 
or lunulated with black; maxilla brownish black or blackish brown, 
paler on tomium; mandible pale yellowish (in dried skins); legs and 
feet pale yellowish horn color (in dried skins) ; length (skins), 160-175 
(167); wing, 938-99.5 (97.1); tail, 33-37.5 (35.5); culmen, 26.5-27.5 
(27); tarsus, 47-52 (49.7); middle toe, 26-29.5 (27.6).¢ 
Adult female.—Above similar to the adult male; chin and throat 
mixed white and light chestnut irregularly spotted or barred with 
black; remaining under parts as in adult male, but black U-shaped 
markings narrower, and the white general color more or less suffused 
or tinged with buff, the chest sometimes washed with rusty; length 
(skins), 155-178 (164); wing, 93.5-95.5 (94.4); tail, 32-35 (33.1); 
culmen, 26; tarsus, 46.5-49 (48.1); middle toe, 27-29 (28). 
Immature female.—Similar to the adult female, but lower throat 
tawny, chin and upper throat white, with a few narrow streaks of 
black. 
Panama (Lion Hill; Panama; Laguna del Pita; Santa Fé and 
Calovévora, Veragua?*) and adjacent portion of northwestern 
Colombia (Rio Truando). 
Pittasoma michleri Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 189 (Rio Truando, 
Colombia; coll. U. S. Nat. Mus.); 1864, 257, pl. 3.—Lawrence, Ann. Lyc. 
N. Y., vii, 1862, 326 (Lion Hill, Panam4).—Satvin, Proc. Zool. Soc. 
Lond., 1867, 146 (Santa Fé de Verégua, Panam4); 1870, 196 (Calovévora, 
Panama).—SciaTErR, Cat. Birds Brit. Mus., xv, 1890, 309.—Satvin and 
Gopman, Biol. Centr.-Am., Aves, ii, 1892, 237.—Satvapori and Festa, 
Boll. Mus. Zool., etc., Torino, xiv, 1899, no. 339, 7 (Laguna del Pita, Panam4). 
[Pittasoma] michlert ScuaTER and Satvin, Nom. Av. Neotr., 1873, 75.—SHarpeE, 
Hand-list, iii, 1901, 40. 
Pittisoma michlert ScLaTER and Savin, Proc. Zool. Soc. Lond., 1864, 357 (Panam4; 
crit.). 
PITTASOMA MICHLERI ZELEDONI Ridgway. 
ZELEDON'S ANTPITTA. 
Similar to P. m. michleri but decidedly larger; adult male with 
head entirely black, except for a tinge of chestnut on auricular 
region. 
@ Seven specimens. 
b Four specimens. 
¢I have not seen specimens from Verdgua. They may be referable to P. m. 
zeledont. 
