SCOTEU. NATATORES. OIDEMIA. 335 



part of the tarsus carmine-red, the outer part, and toes, 



orange-red, with the membranes of the toes black. 

 The whole of the upper parts of the body of an uniform Female. 



pitch (or brownish) black, the under parts much lighter. 



Between the bill, the eyes, and the auriculars, is a 



patch of greyish-white. Bill blackish-brown. Legs 



and toes dull brick-red. 

 The young males are like the females till after the second 



moult. 



SURF SCOTER. 



OIDEMIA PERSPICILLATA^ Flem. 

 PLATE LXIX. 



Oidemia perspicillata, Flem. Br. Anim. 1. 119 Steph. Shaw's Zool. 12. 



219. 

 Anas perspicillata, Linn. Syst. 1. 201. 25. Gmel. Syst. 1. 524 Lath. Ind. 



Orn. 2. 847. sp. 42. Wils. Amer. Ornith. 8. 49. pi. 67, f. 1. male. 

 Anas nigra major, freti Hudsonis, 6. 425. 30. 



Macreuse a large bee, ou Marchand, Buff. Ois. 9. 244 Id. PL Enl. 995. 

 Canard Marchand, Temm. Man. d'Ornith. 2. 853. 

 Black Duck, Edward's Glean, pi. 15. S.Penn. Arct. Zool/2. 483 Lath. 



Syn. 6. 479. 



Surf Duck, Wils. Amer. Orn. 8. 49. pi. 67. f. 1. male. 

 Great-beaked Scoter, Shaw's ZooL 12. 219. 



I HAVE admitted this bird into the list of stragglers, or Rare 

 rare visitants, as it has been occasionally met with about the V1S1 an " 

 shores of the Orkney and Shetland Isles. In the high lati- 

 tudes of the North American Continent, such as Hudson's 

 and Baffin's Bays, it is very abundant, and during winter, or 

 its equatorial migration, is spread along those coasts, as far 

 to the southward as Florida. In this species the bill has not 

 that flatness and expansion in front of the nostrils that are 

 so conspicuous in Old. nigra and Old. fusca^ but assumes, 

 in a great degree, the characters of the succeeding genus 

 Somateria (Eider), by the tip being suddenly contracted, 

 and the nail (which is also more convex than in the other 



