FAMILY DENDROCOLAPTIDAE 



51 



90.0 (80.6), culmen from base 60.3-65.0 (62.3), tarsus 21.6-23.4 

 (22.4) mm. 



Females (8 from Darien, San Bias, and northern Colombia) wing 

 87.8-94.5 (90.8). tail 72.3-82.6 (77.5), culmen from base 55.5-60.0 

 (57.4, average of 5). tarsus 20.9-21.9 (21.5) mm. 



Resident. Rare in the forested lowlands ; on the Pacific side from 

 the Canal Zone through Darien; on the Caribbean slope, from 2133 

 meters in the mountains of Bocas del Toro, on the trail leading from 



Figure 5. — Red-billed scythebill, trepador pico de garfio, Campylorhamphus 

 trochilirostris hrcvipennis. 



Boquete ; and from northern Code, through the Canal Zone to eastern 

 San Bias (Perme). 



The Red-billed Scythebill, recognized as a distinct subspecies, from 

 central and eastern Panama and northwestern Colombia, has been 

 recorded to the present in the Republic from about 30 specimens, 

 taken during the period of a hundred years, and a few additional 

 sight records. 



The first were collected by McLeannan on the Atlantic slope along 

 the line of the Panama Railroad, about 1861 (Lawrence, Ann. Lye. 

 Nat. Hist. New York, vol. 7, 1861, p. 292). One of these in the 



