4IO Field Museum of Natural History — Zoology, Vol. IX. 



Sanderling. 



The Sanderling occurs more or less commonly in Illinois and Wis- 

 consin during the migrations in May, and again from August to 

 October. 



Genus LIMOSA Brisson. 



122. Limosa fedoa (Linn.). 

 Marbled Godwit. 



Distr.: Chiefly interior of North America, breeding from Iowa 

 north to the Saskatchewan; south in winter to Cuba and Central 

 America. 



Adult in summer: Bill, curved slightly upward; upper parts, 

 mottled with black and tawny; upper throat, white, rest of throat 

 finely streaked with brown; breast, pale tawny, the feathers banded 

 irregularly with brown; belly, tawny, sometimes without bands; 

 bill, dull flesh color in its basal half, the rest blackish; inner webs 

 of outer primaries, speckled with black; tail, barred with black; 

 axillars, irregularly banded with dark slaty brown, in some instances 

 merely showing an indication of bands but always with more or less 

 irregular marks or dots where the bands are not perfect. 



Adult in winter: Top of the head, brown, streaked with pale brown; 

 feathers of the back, dark brown, edged with tawny; chin, white; 

 throat, pale buff, faintly barred with brown; inner webs of outer 

 primaries, speckled with black. 



Length, 19; wing, 8.80; tarsus, 2.80; bill, 3.50 to 4.50. 



The Marbled Godwit was once a common species in Illinois and 



