606 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ERIBATES MAGNIROSTRIS (Gray). 

 GALAPAGOS FLYCATCHER. 



Adults {sexes alike). — Above plain brown (light olive-brown to 

 grajnsh sepia) , the pileum usually slightly darker and browner, the 

 rump and upper tail-coverts tinged, more or less, or margined with 

 rusty brown or cinnamon; wings and tail deep grayish brown or 

 dusky, with paler grayish brown edgings, the inner webs of rectrices 

 (except middle and one or two outer pairs) more or less broadly edged 

 with cinnamon-rufous or pale cinnamon; middle and greater wing- 

 coverts broadly tipped with pale grayish brown or pale buffy grayish, 

 forming two more or less distinct bands, the secondaries broadly 

 edged with same; sides of head and neck similar in color to back, 

 etc., but rather lighter, gradually fading below into the pale gray 

 of chin, throat, and chest; lower eyelid whitish; lores mixed whitish 

 and dusky gray; under parts of body and under tail-coverts pale 

 (primrose) yellow, the upper breast (at least laterally) tinged with 

 grayish; axillars and under wing-coverts pale grayish primrose 

 yellow; inner webs of remiges broadly edged with very pale cinna- 

 mon-buify; bill blackish brown, the mandible paler brown basally; 

 legs and feet blackish brown or brownish black. 



Young. — Similar to adults, but cinnamon-rufous edgings to inner 

 webs of rectrices broader (all the rectrices except middle pair thus 

 marked), the outer webs also narrowly edged with cinnamon or pale 

 wood brownish; tips of middle and greater wing-coverts and edges 

 of secondaries more buff}^ 



Adult m«Ze.— Length (skins), 135-153 (142); wing, 67-74 (70.7); 

 tail, 59-65.5 (63.3); exposed culmen, 15.5-17 (16.2): tarsus, 21-22.5 

 (21.7); middle toe, 9.5-10.5 (9.9).« 



Adult female. —Lerigth (skins), 130-154 (144); wing, 63.5-74 (68); 

 tail, 55.5-66 (60.6); exposed culmen, 14.5-16 (15.3); tarsus, 20.5-22 

 (21.2); middle toe, 9.5-10.5 (10).'' 



a Nine specimens. 



b Nineteen specimens. 



Locality. 



MALES. 



Two adult males from Hood Island 



One adult male from Albemarle Island 



Four adult males from Indefatigable Island . 

 Two adult males from Chatham Island 



FEMALES. 



One adult female from Hood Island 



Two adult females from Albemarle Island. . . 



Two adult females from Chatham Island 



Five adult females from James Island 



One adult female from Bindloe Island 



Two adult females from Abingdon Island... 



Four adult females from Duncan Island 



Two adult females from Charles Island 



Middle 

 toe. 



10.3 

 10 



10 

 10.3 



9.8 

 10 

 10 

 10.5 



9.7 

 10 



The series examined is not nearly sufficient to show whether there are or are not 

 differences between specimens from different islands. 



