Museums of the United States. 311 
yet been found in Central America, north of the Isthmus of 
Darien:— 
1. Myrmotherula PYGMiEA (Gm.) ? Cass. Proc. Ac. Phil. 
1860, p. 190; Lawr. Ann. Lye. N. Y. vii. p. 325. 
Rio Truando (Wood) and Isthmus of Panama (McLeannan). 
2. Myrmothertjla surinamensis (Gm.), Cass. Pr. Ac. Phil. 
1860, p. 190; Lawr. Ann. Lye. N. Y. vii. p. 293; Scl. & Salv. 
P. Z. S. 1864, p. 356. 
Turbo, Darien (Wood) ; Panama (McLeannan). 
3. Myrmothertjla fulviyentris, Lawr. Ann. Lye. N. Y. 
vii. p. 468; Scl. & Salv. P. Z. S. 1864, p. 356; Lawr. 1. c. ix. 
p. 108. 
Myrmotherula ornata , Scl.? Cass. Pr. Ac. Phil. 1860, p. 191, 
partim (nee Sclater). 
Truando (Wood) ; Panama (McLeannan) ; Costa Rica 
(Carmiol). 
I examined four specimens from the Truando in the Smith¬ 
sonian Institution. They are all named gularis , but are, no 
doubt, the same specimens Cassin determined finally to call 
M. ornata , Scl.? in his list (loc. supra cit.). One of these 
belongs to M.fulviventris ; the other three are females or young 
of M. melcena. 
4. Myrmotherula melcena, Scl., Cass. Pr. Ac. Phil. 1860, 
p. 191; Scl. & Salv. P. Z. S. 1864, p. 356; Lawr. Ann. Lyc. 
N. Y. ix. p. 107. 
Formicivora melcena , Lawr. Ann. Lyc. N. Y. viii. p. 6. 
Myrmotherula ornata , Scl.? Cass. l.c. p. 191 (partim). 
Myrmotherula albigula , Lawr. Ann. Lyc. N. H. viii. p. 131 
(1865), et ix. p. 108. 
Truando (Wood) ; Panama (McLeannan) ; Costa Rica 
(Carmiol). 
5. Myrmotherula menetriesi, D^Orb., Salv. P.Z. S. 1870, 
p. 195. 
Formicivora Schisticolor , Lawr. ut supra. 
Myrmotherula modesta, Lawr. Ann. Lyc. N, Y. ix. p. 108 
(1868). 
