¥ 169.1. Blue Goose (Chen cerulescens). L. 28. Ads. 
Head and neck white; below brownish gray; foreback 
like breast; rump gray. Yng. Similar but head and 
neck grayish brown. 
Range.—North America; breeds in Hudson Bay region; winters on 
west coast of the Gulf of Mexico; two California records; sald to 
have occurred in New Jersey. 
17a. American White-fronted Goose (4zser albi- 
frons gambeli). .. 28. Ads. Forehead and rump 
white; below spotted with black. Yypg. Similar but 
no white on head no black below. 
Range.—North America; breeds in Arctic region; winters on Gulf 
Coast, California and Mexico; rare on Atlantic coast. 
176. Emperor Goose (Philacte canagica). L. 26. 
Ads. Foreneck blackish; rest of head and neck white 
sometimes tinged with rusty; tail mostly white. Yug. 
Body less distinctly scaled; head and hind-neck spotted 
with grayish. Notes. When flying, a deep, hoarse, 
strident cla-ha, cla-ha,cla-ha; when alarmed and about 
to fly, aringing #@-lagh, -iligh. (Nelson.) 
Range.—'‘Coast and islands of Alaska north of the Peninsula; 
chiefly about Norton Sound and Valley of the Lower Yukon; Com- 
mander Islands, Kamchatka; casually south to Humboldt Bay, Cal- 
ifornia.”” (A. O. U.) 
85 
Geese. 
