AXATIDiE. — CXXXVI. 233 



357. CHARITONETTA Stejneger. ( X dpts, grace; p^rra, duck.) 



706. C. albeola (L.). Dipper. Buffle-head. Butter-ball. 

 Spirit Dcck. $ with head very puffy and iridescent; no white 

 before eye but a large white ear patch ; wing coverts and second- 

 aries mostly white. L. 16. W. 7. 9 smaller, dark gray, the 

 head scarcely puffy, with white behind eye. N. Am., abundant; 

 an expert diver. (Lat., whitish.) 



358. CLANGULA Leach. (Lat., clangor, a noise.) 



707. C. hyemalis (L.). South-Southerly. Old Squaw. 

 Long-tailed Duck. Blackish and whitish; head, neck and lower 

 parts mostly white in winter; a patch of gray on head; breast 

 brownish black ; bill black and orange ; tail very long ; 9 quite 

 different, mostly grayish brown, with short tail. L. 20 W. 9. 

 T. 3(9) to 9 (<J). Northern, S. in winter; said to be melodious. 

 (Eu.) 



359. HISTRIONICUS Lesson. (From Lat., lustrio, harlequin.) 



708. H. histrionicus (L). Harlequin Duck. "Lords and 

 Ladies." £ leaden bluish, much varied with black, white, and 

 chestnut; a white patch before eye; speculum violet purple; 9 

 dark brown, with gray, etc.; a white spot before eye and one behind 

 ear; bill very short. L. 17. W. 8. T. 4. B. 1^. Atlantic, 

 S. toN. Y. (Eu.) 



360. CAMPTOLAIMUS Gray, (mi/mitos, flexible ; \aifios, throat.) 



709. C. labradorius (Gmelin). Labrador Duck. J head, 

 neck, chest, and wings white; rest of body with ring about neck 

 and strip on crown black; 9 chiefly grayish. L. 24. W. 9. X. 

 Atl., very rare, or perhaps extinct. 



361. SOMATERIA Leach. Eider Ducks. 



(ai/ia, body; eptop. wool.) 



a. Frontal processes long, acute, clubbed, extending in line with culmen on 

 each side of forehead; feathers on side of bill advancing to below nos- 

 tril; d with scapulars white; top of head black; no V-mark on chin. 

 (Somattna.) 



710. S. dresseri Sharpe. American Eider Duck. <£ in 

 breeding dress white; under parts, rump, quills, and crown patch 

 black; 9 reddish brown, streaked; angle on side of forehead 

 broad and rounded. L. 24. W. 12. T. 4. Arctic Am.; S. to 

 Maine in winter. (Eu.) (To H. E. Dresser, an Eng. Orn.) 



aa. Frontal processes broad, squarish, nearly vertical, out of line of culmen; 

 feathers on side of bill not reaching nostrils. {Erionetta Coues.) 



711. S. spectabilis (L). King Eider. $ chiefly black ; neck, 

 breast, etc., white; a black V-shaped mark on chin; 9 brownish, 



