ORDER PALMIPEDES. Gl9 



stripes of black ; underneath, white ; the head tan- 

 coloured ; the tracheal capsule is smaller. 



In others, the male has at least some elevated 

 feathers on the tail. 



Mallard Duck. An. Boschas* L. Enl. 776 and 7, 

 Wils. Am. viij. 70, 7, Frisch. 158, 9. 



To be known by its yellowish feet and yellow bill, 

 and by the beautiful changeable green of the head 

 and rump of the male. In our poultry yards they 

 vary in colour like all domesticated animals. The 

 wild ducks common in our marshes build in reeds, 

 old trunks of willow trees, and sometimes on trees. 

 The trachea is terminated towards its base by a 

 large bony capsule. 



Hook-hilled Duck. An. Adunca^ Albin Birds, 

 ij. t. 96, 97> is a singular variety. 



See also Curved-hill Duck, Lath., Anas Curvirostra, 

 Gmel. 



Some have the head crested, and the bill a little 

 narrower in front ; and which, coming from abroad, 

 are in most menageries ; such as 



Chinese Teal. An. Galericulata, L. Enl. 805 and 

 6, Vieill. Gal. 287. 



In which the male has the quills of the wings en- 

 larged, and standing vertically. Edw. t. 102. And, 



# Boa-y^a;^ the Greek name of the teal. 



