PLATE XL 
MALLARD. Female Types. Breasts. 
1. Immature female in full 2. Immature female, Sep- 3. Adult female. December. 4. Adult female. December. 5. Adult female. Light type. 6. Adult female. Dark type, 
plumage. August. tember. Light type. Dark type. .June. Breeding dress. .July. Breeding dress. 
MALLARD. Female Types. Backs. 
The same birds as above. 
