PLATE XI n. 
GADWALL. 
1. Imma^ture Mal^ in first plumage showing 2. Immature Male. October. 3. Immature Male. November, 
tirst leatliers of maturity on the upper i^r<iii.i.ci. 
scapulars. September. 
6. Adult Female, breast. December. 7. .\dult Female, back. December. 8. .Wult Male, full eclipse. August. Breast. 9. Adult Female, full breeding dress. July, 10. Adult Male, full eclipse. August. Back. 
4. Immature Male, December. 5. Old Male in full winter dress. .January. 
