ANATIDA, — CXXXVI. 233 
357, CHARITONETTA Stejneger. (ydpis, grace; vara, duck.) 
706. C. albeola (L.). Dieper. 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. Q smaller, dark gray, the 
head scarcely puffy, with white behind eye. N. Am., abundant; 
an expert diver. (Lat., whitish.) 
358. HARELDA Stephens. (Danish, hav-eld; Sea-duck.) 
707. H. hyemalis (L.). Soutu-SouTHERLY. OLp 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)to9(@). Northern, S. in winter; said to be melodious, . 
359. HISTRIONICUS Lesson. (From Lat., histrio, harlequin.) 
708. H. histrionicus (L.). Hariequin Duck. “Lorps anp 
Lavigs.” ¢ 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, 1,5. Atlantic, 
S.toN. Y. (Eu.) 
360. CAMPTOLAIMUS Gray. (kapmrés, flexible ; Aatyds, throat.) 
709. C. labradorius (Gmelin). Lasrapor 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. E1pEer Ducks. 
(capa, body; éptov, 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¢ witb scapulars white; top of head black; no V-mark on chin. 
(Somateria.) 
710. S. dresseri Sharpe. AMERICAN Erper Duck. ¢ in 
breeding dress white; under parts, rump, quills, and crown patch 
black; Q 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. (Zrionetta Coues.) 
711. S. spectabilis (L.). Kine Ever. ¢ chiefly black; neck, 
breast, etc., white; a black V-shaped mark on chin; 9 brownish, 
