Jan., 1909. Birds of Illinois and Wisconsin — Cory. 



349 



in Illinois and Wisconsin during the migrations. More common along 

 the Mississippi Valley. 



69. Chen caerulescens (Linn.). 

 Blue Goose. 



Local name: Bald Brant. Blue Brant. 



Distr.: Northeastern interior of North America, probably breed- 

 ing north and east of Hudson Bay: nest and eggs as yet unknown. 

 Winters from southern Illinois throughout the lower Mississippi 

 Valley, Louisiana, and Texas; accidental in California, Cuba, and the 

 Bahamas. 



Adult: Head and neck, white or white, tinged with orange brown, 

 or white tinged with grayish; back and breast, dark slaty brown; 



Blue Goose. 



the feathers margined with lighter brown; wing coverts and concealed 

 portion of primaries and secondaries, slaty gray; exposed portion 

 of primaries and secondaries, brownish black; greater portion of the 

 shafts, white; lower back and rump, slaty gray; under parts, dull 

 slaty gray, the feathers margined with pale brown or rusty browm; 

 axillars, hoary gray, with grayish brown shafts. 



