Plate XII 
Heads of Ducks 
1. Baldpate. 
2. Green-winged Teal. 
3. Blue-winged Teal. 
4. Shoveller. 
5. Pintail. 
6. Wood Duck. 11. 
7. Redhead. 12. 
8. Canvasback. 13. 
9. Am. Scaup Duck. 14. 
10. Am. Golden-eye. 15. 
Bufflehead, 
Old Squaw. 
Greenland Eider. 
White-winged Scoter 
Ruddy Duck. 
