BIRDS OF NORTH AND MIDDLE AMP:RICA. 



lyi 



VIREO CRASSIROSTRIS FLAVESCENS Ridgway 

 YELLOW LARGE-BILLED VIREO. 



Similar to I"! c erassirostris, but much more brijrhtly colored; upper 

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

 (varvino- from straw yellow to naples yellow or dull canary yellow, 

 tinged with olive laterally; supraloral stripe and orbital ring bright 

 canar}' yellow. 



Adult nude.— l^awgih (skins), 115-130 (J 22. 3); wing, 60-65 (62.8); 

 tail, 47-50 (19.1); exposed culmen, 11-13 (12); tarsus, 21-23 (21.9); 

 middle toe, 11-12 (11.9)." 



Adult fenvde.—'LQngth (skins), 112-126(120.9); wing, 59-61 (61.1); 

 tail, 41-50 (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 Ca^^; San 

 Salvador or Cat Island;" Green Ca}-;" Eleuthera;'' Inagua).'^ 



« Sixteen specimens. 



''Fourteen specimens. 



Specimens from different islands average, respectively, as follows: 



Locality. 



MALES. 



Eiglit iidult males from Rum Cay 



Four adult males from Cat Island 



Three adult males from Concepcion Island 

 One adult male from Inagua 



FEMALES. 



Four adult females from Rum Cay 



One adult female from Cat Island 



Five adult females from Eleuthera Island . 



One adult female from Green Cay 



One adult female from Concepcion Lsland . 

 Two adult females from Inagua 



Wing. Tail 



63.1 

 62. 2 

 62.2 

 64 



48.7 

 50.2 

 48.3 

 49 



Ex- 

 posed 

 culmen. 



12.1 

 11.9 

 12.2 

 11 



11.5 



12 



12.1 



12 



12 



11.5 



Tarsus. Middle 

 toe. 



22 

 21.7 

 21.7 

 22 



21 



21 



21.1 



21 



21.5 



21.5 



12 

 12.1 

 11.3 

 12 



11.9 



11.5 



11.5 



11 



11.5 



11.5 



''On these islands occurring together with T'. c. «'«,s.'?tro.s<W.>; or hitermediates between 

 the twoforms. 



