24 BIRDS OF EASTERN MASSACHUSETTS 



155. Harlequin Duck; Lord-and-L<ady His- 

 trionicus histrionicus (Linne*). Rare W. V. coastwise; casual 

 inland. Nov. 1 - Jan. Salt and fresh water. 



t!56. Labrador Duck Camptorhynchus labrado- 

 rius (Gmelin). Extinct. Last taken at Swampscott, Sept., 

 1862. Formerly a common W. V. coastwise. Several 

 specimens are recorded from Essex Co. 



*159. Northern Eider ; Greenland Eider Som- 

 ateria mollissima boredlis (Brehm). Very rare W. V. coast- 

 wise. Late Oct. - April. 



16O. Eider ; American Eider ; Sea Duck ; 

 "Canvas-back" Somateria dresseri Sharpe. Uncom- 

 mon M. and W. R. coastwise, decreasing in numbers. Nov. 

 5 - April 19. Salt water. A flock is said to be found every 

 winter off Milk Id. at the end of Cape Ann. 



162. King Eider Somateria spectdbilis (Linne). 

 Rare W. V. coastwise. Oct. 21 - April 5. 



163. Scoter ; American Scoter ; Black Scoter ; 

 Black Coot Oidemia americdna Swainson. Common, at 

 times abundant, M. and W. R. coastwise; scarce inland; 

 a few off-shore in summer. Sept. 8- May 24 (summer). Salt 

 water mainly. 



165. White-winged Scoter ; White-winged 

 Coot Oidemia degldndi Bonaparte. Common M. and W.R. 

 mainly coastwise ; a few in summer off-shore. Sept. 6 - May 



25 (summer). 



166. Surf Scoter ; " Skunk Bird ;" Gray Coot 

 Oidemia perspicilldta (Linne"). Common, often abundant 

 M., and common W. R. coastwise; a few in summer off- 

 shore. Sept. 4- May 9 (summer). Salt and fresh water, 

 rare inland. 



167. .Ruddy I>uck Erismatura jamaicensis 

 (Gmelin) Common M., very rare S. R. (Cape Cod). Mar. 

 20-(summer). Sept. 30 - Dec. (Jan.). Chiefly on deeper 

 fresh-water ponds. 



*168. Masked Duck Nomonyx dominions (Linne). 

 Accidental from West Indies. Maiden, Aug. 22, 1889. 



169. Snow Goose ; Lesser Snow Goose Chen 

 hyperboreus hyperboreus (Pallas). Rare M. April 13, Oct. 

 15, Nov. 21. Salt and fresh water. 



*169a. Greater Snow Goose. Chen hyperboreus 

 nivdlis (J. R. Forster). Accidental V. in spring and fall. 

 [? Flock of 30 at Framingham, Nov. 19, 1909 - Auk, Jan. 

 1910.] 



