PLATE VIII, 
MALLARD. Breasts. 
Passage of the plumage of the male from first plumage to maturity. 
1. Young male, first plumage, -2. Young male, Sept. 1st ; first signs of 3,4. Further progress. Sept. 10th. .5. In full moult ; new hreast and B. Sept. 30th. Early hatched bird. 
August. colour change and moult on the head feathers coming in. 
chin. Sept. 15th. 
7. Sept. 30th. tiate hatched bird. 8. Oct. 10th. Showing head moulting 9. Oct. 15th. Showing breast moulting 10. Nov. 1st. Last traces of 11. Young male in full adult plumage. 
last. last. immature plumage left Nov. 15th. 
on the upper breast. 
