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. Myrmotherula 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. Myrmotherula fulviventris, Lawr. Ann. Lye. N. Y. 

 vii. p. 468; Scl. & Salv. P. Z. S. 1864, p. 356; Lawr. /. 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. melmna. 



4. Myrmotherula melmna, Scl., Cass. Pr. Ac. Phil. 1860, 

 p. 191; Scl. & Salv. P. Z.S. 1864, p. 356; Lawr. Ann. Lye. 

 N. Y. ix. p. 107. 



Formicivora melana, Lawr. Ann. Lye. N. Y. viii. p. 6. 



Myrmotherula ornata, Scl.? Cass. I.e. p. 191 (partim). 



Myrmotherula albigula, Lawr. Ann. Lye. 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. Lye. N. Y. ix. p. 108 



(1868). 



