272 FIELD MUSEUM OF NATURAL HISTORY ORNITHOLOGY, VOL. I. 



Common among fallen trees and shrubbery. Like a small Hylo- 

 cichla in general behavior. 



Myadestes melanops Salv. 



4 specimens. Coliblanco 3 cT, i 9. 



This very retiring bird was occasionally seen in ravines and in 

 dense patches of shrubbery. 



Planesticus grayi casius (Bonap.). 



4 specimens. Guayabo 2 d\ 2 9. These birds roosted in the 

 tops of very high trees, coming from all directions at evening time. 



Planesticus plebejus (Cab.). 



24 specimens. Coliblanco 18 d\ 4 9 ; Vol. de Turrialba 2 d\ 

 This species was a characteristic bird about the potrero at Coli- 

 blanco. They came in large numbers to fruit-bearing trees. The 

 plumage is very loosely embedded in the skin. The birds have a 

 call note like our American robin. 



Planesticus nigrescens (Cab.). 



14 specimens. Vol. de Turrialba gd\ 5 9 . 



This species was abundant in the open forest at base of Ash-cone. 

 It is very robin-like in character, and not as shy as the two preceding 

 species. 



Troglodytidse. 



Heleodytes zonatus costaricensis (Berl.). 



15 specimens. Guayabo 4 d\ 6 9, .1 sex?; Coliblanco i d\ 



3 9. 



This bird seemed to be in every conceivable sort of bird haunt. 

 It was as much at home among the tops of the tallest trees as in low 

 shrubbery or about fallen trees. Its favorite spot, however, is prob- 

 ably in densely clustered vines growing about tree trunks. 



Troglodytes musculus intermedius (Cab.). 



15 specimens. Guayabo 4 <5\ 5 9 ; Coliblanco 5 cT, i 9 . 



This series, all taken upon the Atlantic slope, is identical with a 

 specimen taken in San Jose", the type locality of the species. These 

 birds were common in haunts usually frequented by wrens, but also 



