FAMILY OXYRUNCIDAE 603 



narrowly with dull olive-green and tipped narrowly with white ; 

 under surface of body white to pale yellow, spotted with black, 

 except in center of abdomen ; axillars, under wing coverts, and inner 

 margins of wing feathers pale yellow. 



Female, like male, but without serrations on the tenth primary; 

 crest shorter with central scarlet area reduced to a narrow line. 



Figure 48. — Sharpbill, pico agudo, Oxyruncus cristatus. 



Immature, like female, but with scarlet markings on the crown 

 absent or much reduced. 



Two forms are recognized in the Republic, one in Veraguas and 

 one in eastern Darien. 



OXYRUNCUS CRISTATUS FRATER (Sclater and Salvin) 



Oxyrhamphiis jratcr Sclater and Salvin, Proc. Zool. Soc. London, October 1868, 

 p. 326. (Calovevora, Veraguas, Panama.) 



Characters. — Under surface distinctly yellow ; lower back and rump 

 slightly darker green. 



Measurements. — Males (7 from Costa Rica and Veraguas), wing 

 91.1-96.9 (93.8), tail 53.6-59.3 (56.3), culmen from base 16.8-19.5 

 (18.2), tarsus 18.7-20.4 (19.7) mm. 



Females (5 from Costa Rica and Veraguas), wing 88.5-92.2 



