610 CLASS AVES. 



the neck ; tlie breast, back, tail, and a part of the 

 wmgs, black. It has the sliortest bill of all the ducks. 

 Its trachea, ossified at the base, has, on one side, as it 

 were, five simple membranes, square, below which, 

 it swells out into a bony capsule. 



Harlequin Duck. Anas Histrionica, Lin. Enl. 978. 

 Wilson Am. viij. 72, f. 4. Edw. 99. Naum. 1, 

 c. 52, f. 77. And the female. Anas Minuta, 799. 

 Edw. 197. 



Ash-coloured ; the male fantastically patched with 

 white ; the eyelids and flanks red. 



Female Anas Torquata, Gm.el. PI. Enl. t. 789. 



Both the above species come to us in winter, but 

 at different periods of it. 



The Common Garrots have the tail round or 

 square. 



Golden-eye Duck. An. Clangula^ Lin. Enl. 802. 



The young An. Glaucion^* Lin. Frisch. 181, 182. 



Naum. 1, c. 55, f. 81, 82. Wilson Am. viij. 

 67,6. 



White ; the head, back, and tail, black ; a small spot 

 before the eyes, and two white bands at the wing ; 

 the bill blackish. The female, ash, with a brown 

 head. They arrive here from the north in winter, 



* The Greek name of a duck, so called from the colour of its eyes. 



