ANATID^. — CXXXVI. 233 



357. CHARITONETTA Stejneger. (xdpis, grace; vrjrra, duck.) 



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

 Spirit Duck. ^ 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. HARELDA Stephens. (Danish, Tiav-eld ; Sea-duck.) 



707. H. 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 finite 

 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., histrio, harlequin.) 



70S. 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. l^^. Atlantic, 

 S. to N. y. {Eu.) 



360. CAMPTOLAIMUS Gray. (Ka/xTrrdf, flexible ; Xat/ito?, throat.) 



709. C. labradorius (Gmelin). Labrador Duck. $ 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. N. 

 Atl., very rare, or perhaps extinct. 



361. SOMATERIA Leach. Eider Ducks. 

 (o-co/xa, body; epioi/, 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. 

 {Sumattria.) 



710. S. dresseri Sharpe. American Eider Duck. <J 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. AV. 12. T. 4. Arctic Am.; S. to 

 Mahie 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 ). Kixc Eider. (J chiefly black ; neck, 



breast, etc., while; u i>l;uk N'-^h.ipcd mark on chin; 9 brownish, 



