WIGEON. 
1. Tmmatnre male, eclipse plumage, age 13 months. 2. Very old female assnmiiiK the male plnmnge. 
3. Immature male coming out of the eclipse plumage into winter dress, age IG 
months. Note the last traces of the first plumage on the wing shoulder. 
These will fall out in the following month and the bird will be in full 
adult plumage. 
PLATE XVII. 
