36o APPENDIX 



28. Lesser Snow Goose. — Chen hyperboreus. 



Same as greater snow-goose (No. 31), only smaller. Length about 

 25 in. 



Hab. — Western North America from Valley of Mississippi to Pa- 

 cific Coast ; Alaska to Southern California. 



29. Blue Goose. — Chen Ccerulescens. 



Head and upper part of neck white ; breast, back, and wings gray- 

 ish brown ; wing coverts and rump bluish gray ; under parts white ; 

 tail brownish gray ; bill pale pinkish ; legs and feet red. Length about 

 28 in. Young, like adult, except head and neck grayish brown. 



Hab. — Interior North America, Hudson Bay to Gulf of Mexico ; not 

 on Pacific Coast. 



30. White-fronted Goose. — Anser albifrons. 



Head and neck brown, except forepart of head white ; back and 

 wings grayish brown, tipped with white ; primaries black ; rump 

 slate brown ; lower parts grayish white ; bill, legs and feet orange. 

 Length, 28 in. Young : no white on head. 



Hab. — North America ; rare on Atlantic Coast. 



31. Greater Snow Goose. — Chen hyperboreus nivalis. 



Plumage white except primaries, which are black ; bill purplish red ; 

 legs and feet orange red. Young : head, neck, and upper parts gray. 

 Length, 34 in. 



Hab. — Arctic Sea to Gulf, Valley of Mississippi to Atlantic Ocean. 



32. Fulvous Tree Duck. — Dendrocygna fulva. 



Head yellowish brown, darker on top ; ring of black feathers with 

 white centres on middle of neck ; lower part of neck yellowish brown ; 

 back black barred with cinnamon ; tail black ; throat buffy white ; 

 under parts cinnamon ; upper part breast yellowish brown ; legs and 

 feet slate blue ; bill bluish black. Length, 20 in. 



Female. — Similar to male. 



Hab. — States of Nevada, California, Louisiana, Texas, Mexico. 

 Accidental in Missouri and North Carolina. 



33. Black-bellied Tree Duck. — Dendrocygna autumnalis. 



Head gray, cinnamon on top ; chin and throat gray white ; neck, 

 upper portion breast, back and scapulars cinnamon brown ; middle 

 back, rump, and upper tail coverts black ; white tint on wing ; lower 



