SEPT., 1910 BIRDS FROM COSTA RICA FERRY. 277 



uttering their sharp sparrow-like note. About the volcano they were 

 less common. This is evidently a bird of high altitudes while within 

 its winter range. See remarks on preceding species. 



Setophaga ruticilla (Linn.). 



4 specimens. Guayabo 3 cT, Jan. 16, Feb. i, i 9 Jan. 28. 

 Common while migrating. Males in fully adult plumage. 



Myioborus aurantiacus (Baird). 



19 specimens. Guayabo 2 d\ 2 9 , i sex?; Coliblanco 10 d\ 4 9 . 

 Haunts shrubbery. Redstart-like in habits. 



Myioborus torquatus (Baird). 



8 specimens. Coliblanco 3 d\ 4 9 ; Vol. de Turrialba i sex?. 

 Occurs at edges of deep ravines, in shrubbery, about fallen logs, 



etc. Very sprightly and pretty. This and the preceding are quite 

 similar in habits. 



Basileuterus rufifrons delattrii (Bonap.). 



9 specimens. Guayabo 5 d\ 3 9 , i sex?. 



These birds show a decided grayness at the back of the neck, but 

 comparison with a series in the National Museum shows this feature 

 to be largely a matter of individual variation. 



Basileuterus melanogenys Baird. 



4 specimens. Coliblanco 2 cT ; Vol. de Turrialba 2 d\ 

 These birds were met at the edges of heavy forests. They live near 

 the ground and are somewhat wren-like in habits. 



Basileuterus culicivorus godmani Berlep. 

 i specimen. Guayabo d\ 



Chlorophonia callophrys (Cab.). 



4 specimens. Guayabo i cT ; Coliblanco cT, 9 ; Vol. de Turrial- 

 ba d\ 



In heavy foliage of tree-tops. 



Euphonia luteicapilla (Cab.). 

 i specimen. Guayabo c5\ 



