SEPT., 1910. BIRDS FROM COSTA RICA FERRY. 271 



Xiphocolaptes emigrans costaricensis Ridg. 



i specimen. Guayabo 9 . 



Picolaptes af finis (Lafr.). 



15 specimens. Coliblanco 5 j\ 4 9, i sex?; Vol. de Turrialba 



2 d\ 3 Q - 



This is one of the most characteristic birds about the volcano. 



Picolaptes compressus (Cab.). 



4 specimens. Guayabo 2 d\ i 9 ; Port Limon i -5"'. 



Formicariidte. 



Cymbilanius lineatus fasciatus Ridg. 

 2 specimens. Guayabo 9 , i sex ?. 

 Found in tree tops in dense low forests. 



Thamnophilus doliatus mexicanus Allen. 

 i specimen. Guayabo d\ 



Dysithamnus mentalis septentrionalis Ridg. 



5 specimens. Guayabo 5 Q . 



Cercomacra tyrannina crepera Bangs. 



i specimen. Guayabo cT. 



Pteroptochicljip. 



Scytalopus argentifrons Ridg. 



i specimen. Coliblanco cT. In deep, jungle-grown ravine, I 

 heard the bird's sharp, scolding note and remained perfectly quiet. 

 The curiosity of the bird led it to within a few feet of me. 



Catharus gracilirostris Salv. 



ii specimens. Vol. de Turrialba 5 <5\ 2 9 ; Coliblanco 3 cf , i 9 . 



