EIDER DUCK. ADULT MALES. BACKS. 
37. Nov. 4th. Age, 28 months 
and 4 days. Final state of 
the immature male, a few 
and eclipse feathers moul- 
ting. The male Eider is 
adult at 29 months. 
41. July 6th. Late moulting 
bird. 
38. Feb. loth. Full Breeding 
dress. 
42. July loth. Nearly full eclipse 
46. Oct. 17th. 
39. June 23rd. Third eclip: 
commencincr. 
43. July 23rd. 
47. Nov. 17th. 
40. June 27th. 
44. Aug. 4th. 
48. Nov. 26th. After which the 
bird will pass to same 
plumage 1 ■ as No. 12 by 
Dec. 1st — Dec. loth. 
45. Sept. 22nd. 
