PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 183 



Dendroruis rostripallens Bes Murs. Amazons and Colombia, 

 eytoni JScl. Lower Amazons, 

 elegans Pels. Amazons and Colombia, 

 spixi Less. Lower Amazons, 

 multiguttata (Lafr.). Guiana and Amazons. 

 Picolaptes squamatus (Licht). Brazil. 



falcinellus (Cab.). Interior of Brazil, 

 alboliueatus (Lafr.). Colombia and Venezuela, 

 puncticeps Scl. et Salv. Guiana, 

 souleyeti [Des Murs). Western Ecuador, 

 fuscicapillus Pelz. Interior of Brazil, 

 layardi Scl. Brazil (Para). 

 Xiphorhynclius pusillus Scl. Colombia and Yeragua. 

 pucherani Lafr. Colombia, 

 lafresnayanus {cCOrh.). Bolivia. 



Family Formicariid^. 



Thamnoi)liilus undulatus Pelz. Amazons. 



fuliginosus Gould. Guiana. 



guttatus Vieill. South Brazil. 



borbsB Pelz. Madeira Biver. 



melanurus Gould. Upper Amazons and Colombia. 



leuconotus 8pix. Upper Amazons. 



plumbeus Scl. Upper Amazons. 



cinereo-niger Pelz. Amazons. 



steilaris Spix. Guiana and Amazons. 



tristis Scl. et Salv. Guiana. 



simplex Sol. Brazil (Para). 



immaculatus Lafr. Amazons ; Colombia to Costa Eica. 



tscbudii Pelz. Amazons. 



sethiops Scl. Upper Amazons. 



nigriceps Scl. Colombia. 



nigrocinereus Scl. Lower Amazons. 



cinereinucba Pelz. Amazons. 



cinereiceps Pelz. Guiana and Amazons. 



capitalis Scl. Upper Amazons. 



murinus Pelz. Guiana and Amazpns. 



cristatus Max. Brazil. 



capistratus Less. South and East Brazil. 



albicans Lafr. Colombia. 



multistriatus Lafr. Colombia. 



tenuipunctatus Lafr. Colombia and Ecuador. 



melanochrous Scl et Salv. High Peru. 



subfasciatus Scl. et Salv. Bolivia. 

 Thamnistes oequatorialis Scl. Ecuador. 



rufescens Caban. Western Peru. 



