62 MEMOIRS OF THE NUTTALL ORNITHOLOGICAL CLUB 



68 [162] Somateria spectabilis (Linn.). 



King Eider. 



Very rare winter visitor. November 24 to . 



Damsell adds another record for Essex County, that of a bird taken on 

 November 29, 1889, within five days of the previous record. 



69 [163] Oidemia americana Swains. 

 Scoter; Black Scoter; " Butterbill " ; "Black Coot." 

 Common transient and winter visitor (summer). September 8 to May 24. 



70 [165] Oidemia deglandi Bonap. 



White-winged Scoter; "White-winged Coot." 



Abundant transient visitor, common in winter (summer). August 20 to 

 June 4. 



On August 20, 1913, 1 saw forty-three of these birds flying south off Ipswich 

 Beach and concluded they must be the vanguard of the migrating throng. 



Dr. J. C. Phillips^ says : " The White-winged Scoter is by far the most com- 

 mon [of the three Scoters] in the [Wenham] pond and represents about 4 per 

 cent, of the total score." 



71 [166] Oidemia perspicillata (Linn.). 



Surf Scoter; "Skunk-head"; "Gray Coot." 



Very abundant transient visitor, common in winter; summer. September 4 

 to June 4. 



72 [167] Erismatura jamaicensis (Gmel.). 



Ruddy Duck. 



Common transient visitor in the fall, rare in the spring. September 30 to 

 December i ; April 20. 



The spring record is of five seen oflf Nahant Beach by Mr. H. W. Wright on 

 April 20, 1906. As stated in the original Memoir this bird prefers fresh-water 

 ponds, but Mr. Wright has given me another record for salt water, — at Nahant 

 on October 14, 1905, where three were seen. 



1 Phillips, J. C. Auk, vol. 28, p. 19s, 1911. 



