FAMILY VIREONIDAE 



205 



or even seeing these birds at the many localities where they are com- 

 mon makes it impossible even today to delimit the range of either race 

 with any certainty. 



Figure 19. — Green Shrike-Vereo, Follajero Verde, Smaragdolanius pulchellus. 



SMARAGDOLANIUS PULCHELLUS VERTICALIS (Ridgway) 



Vireolanius pulchellus verticalis Ridgway, Proc. U.S. Nat. Mus., vol. 8, 1885, p. 

 24. (Angostura, Costa Rica.) 



Characters.-— Forehead, hindneck, and sometimes area surrounding 

 eye, light blue; upper surface parrot green. 



Measurements. — Males (6 from Veraguas, Costa Rica, and Nica- 

 ragua), wing 68.0-76.5 (73.0), tail 44.4-52.4 (47.9), culmen from 

 base 17.4-21.2 (19.0), tarsus 21.6-22.1 (21.8) mm. 



Females (4 from Veraguas, Costa Rica, and Nicaragua), wing 64.5- 

 73.8 (69.5), tail 43.2-47.8 (46.1), culmen from base 17.0-19.5 (18.4), 

 tarsus 20.9-21.8 (21.3) mm. 



Resident. This race, which elsewhere occurs in Nicaragua and 

 Caribbean Costa Rica, is known in Panama from 5 specimens. One is 

 mentioned by Bangs (Proc. Biol. Soc. Washington, vol. 19, 1906, p. 



