BIRDS OF NORTH AND MIDDLE AMERICA. 



191 



VIREO CRASSIROSTRIS FLAVESCENS Ridgway 

 TELLOW lARGE-BILLED VIREO. 



Similar to V. c. crassirostris, but much moi'e brightly colored; upper 

 parts yellowish olive or dull olive-green; under parts pale yellow 

 (varying from straw yellow to naples yellow or dull canary yellow, 

 tinged with olive laterally; supraloral stripe and orbital ring bright 

 canary yellow. 



Adult male.— LQugih (skins), 115-130 (122.3); wing, 60-65 (62.8); 

 tail, 47-50 (49.1); exposed culmen, 11-13 (12); tarsus, 21-23 (21.9); 

 middle toe, 11-12 (11.9).« 



Adtilt feviale.— Length (skins), 112-126(120.9); wing, 59-64 (61.1); 

 tail, 44-50 (48.2); exposed culmen, 11-13 (11.8); tarsus, 20-22 (21.1); 

 middle toe, 11-12 (11.7).* 



More eastern Bahama Islands (Concepcion Island; Rum Cay; San 

 Salvador or Cat Island;" Green Cay;" Eleuthera;" Inagua).'^^ 



o Sixteen specimens. 



6 Fourteen specimens. 



Specimens from different islands average, respectively, as follows: 



« On these islands occurring together with V. c. crossirosiTO or intermediates between 

 the two forms. 



