ORDER PALMIPEDES. 6ll 



and sometimes build in our ponds. The trachea, 

 in the middle, has a large dilatation, the rings of 

 which are somewhat mobile ; it widens toward the 

 bifurcation. 



Spirit Duck. An. Jlbeola, Enl. 948, the same as 

 Ati. Bucephala, Gates. 1, 95. 



Head and neck, green-golden ; behind the eyes, and 

 patch on head, lower part of neck, breast, and beneath, 

 white ; rest, dusky and white. North America, 



The Eiders, named by Leach, Somateria, 



Have the bill more elongated than the garrots, mount- 

 ing higher on the forehead, where it is bordered by 

 an angle of feathers ; but, notwithstanding, it is 

 more narrow in front. 



The genus Platypus, Lesson. 



Eider Goose. Anas Mollissima, Enl. 208, 9. The 

 adults of both sexes, Mus. Carl. 39. The young 

 male of three years old, Edw. 98. Wilson Am. 

 viij. 91, 2, 3. Naum. 64, f 79, 80. 



Whitish, with the thighs, belly, and tail, black ; the 

 female grey, with brown meshes. This bird is cele- 

 brated for the valuable down it furnishes. 



King Duck. An. Spectahilis, Sparm. Mus. Carl. II. 

 pi. 36. Edw. 154. Naum. 40, f. 58, 59. 



Crown of head, and nape, pale-ash ; base of bill, 

 11 r2 



