BRAXTA. 117 



c'. Lower parts light brownish graj', fading graduallj^ into white on anal 

 region ; white fheek-patclios usually confluent on throat ; white collar 

 round lower neclv usually wanting, rarclj- distinct. 



d}. Larger (wing usually more than 10.00, culmcn usually more than 

 1.75); tail-feathers usually 18-20; length about 35.00-43.00, 

 wing 15.G0-21.00, culmen 1.55-2.70, tarsus 2.45-3.70. Eggs 

 3.55 X 2.27. Ilab. Temperate North America, breeding chiefly 

 ■within the United States. 



172. B. canadensis (Linn.). Canada Goose. 

 (P. Smaller (wing usually less than 16.00, culmen usually less than 

 1.75); taiifeathers usually 14-16; length about 25.00-34.00, 

 wing 14.75-17.75, culmen 1.20-1.90, tarsus 2.25-3.20. Eggs 3.18 

 X 2.10. JTab. Arctic and subarctic America; south, in winter, 

 through United Slates, chiefly west of Allcghanics ; northeastern 



Asia (Japan to eastern Siberia) 172a. B. canadensis 



hutchinsii (Sw. & Eich). Hutchins's Goose, 

 c". Lower parts deep grayish brown or brownish gray (often not con- 

 spicuously paler than upper parts), abruptl}- defined against white 

 of anal region ; white cheek-patches usually separated by a black 

 throat-stripe, or black mottling on throat; white collar round lower 

 neck usually very distinct. 

 d}. Larger (wing more than 16.00, culmen more than 1.25) ; tail- 

 feathers usually 18-20 ; length about 35.00; wing 16.25-18.00, 

 culmen 1.40-1.65, tarsus 3.05-3.25. Hab. Northwest coast 

 of North Anaerica, north to Sitka; south, in winter, to Cali- 

 fornia 172h. B. canadensis occidentalis (Baird). 



White-cheeked Goose. 

 d'. Smaller (wing less than 16.00, culmen less than 1.25) ; tail-feathers 

 usually 14-16; length about 23.00-25.00, wing 13.60-14.50, 

 culmen 0.95-1.15, tarsus 2.40-2.75. Eggs 3.02 X 2.00. Hab. 

 Pacific coast of North America, breeding chiefly about the 

 shores of Norton Sound and the lower Yukon; south, in winter, 

 to California, and, more rarely, to upper Mississippi Vallej' (Wis- 

 consin, etc.). 



172*;. B. canadensis minima Eidgw. Cackling Goose. 

 6'. Head mostly white, the lores, occiput, neck, and chest (sometimes back 

 also) black. Above bluish gray, the feathers marked with a broad sub- 

 terminal bar of black and a narrow terminal bar of white; lower parts 

 grayish white, the sides anil flanks brownish gray, the feathers with 

 whitish tips; length 2.3.50-28.00, wing 14.90-16.90, culmen 1.10-1.45, 

 tarsus 2.50-3.00. Eggs 3.71 X 2.38. Jfnb. Northern Europe ; occasional 

 on Atlantic coast of North America (Hudson's Bay to North Carolina). 

 175. B. leucopsis (Becrst.). Barnacle Goose. 

 Head entirely black. 

 b\ Middle of neck with a patch of white streaks on each side; upper parts 



