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EIDER DUCK, BREASTS, YOUNG MALES FIRST YEAR. 
Sept. Age, 2 months. 
Dec. 6th. Age, 5 months 
and 6 days. 
Jan. 30th. Age, 6 months 
and 30 days. 
2. Oct. 28th. Age, 3 months 
and 28 days. 1st winter 
plumage commencing. 
6. Dec. 1 2th. Age, 5 months 
and 12 days. 
10. Mar. 24th. Age, 8 months 
and 24 days. 
3. Nov. 1st. Age, 4 months. 
7. Dec. i6th. Age, 5 months 
and 16 days. 
II. April 13th. Age.gmonths 
and 13 days. 
12. 
Nov. 1 8th. Age, 4 months 
and 18 days. 
Backward bird. 
Jan. 8th. Age, 6 months 
and 8 days. 
May 29th. Age, 10 months 
and 29 days. 
