PLUMAGES OF THE HARLEQUIN DUCK. 
Immature male ; first plumage. Husavik, 2. Immature male. Sydney, Nova Scotia 3. Immature male. Husavik, Iceland. Jan. i. Immature male ; just commencing to 
Iceland. Dec. 23rd, 1902. Age, 5 months Nov. 10th, 1902. Age, i months and 10 23rd, 1903. Age, 6 months and 23 days. change into eclipse. .1 uly 2nd, 1910. Age, 
and 23 days. days. 11 months and 2 days. 
5. Adult male ; full eclipse. Husavik, Iceland. 6. Adult male ; changing from eclipse to win- 7. Adult male; full winter-spring plumage. 
Aug. 30th, 1910. ter plumage. Husavik, Iceland. Sept. Sydney, Nova Scotia. Nov. 10th, 1902. 
25th, 1902. 
8. Adult male. Husavik, Iceland. Nov. 19th, 9. Immature female. Husavik, Iceland. Dec. 10. Adult female. Husavik, Iceland. Feb. 
1910. 23rd, 1902. Age, 6 months and 23 days. 10th, 1903. 
