Explanation of the Plates. 391 
.d. Lower portion of the trachea of the King Duck (Anas spec- 
tabilis Linn.) in two points of view, taken by permission 
from a specimen in the collection of Joshua Brookes, 
Esq., not hitherto figured. 
e. Trachea of the Red-crested Duck (Anas rufina Pallas), not 
hitherto figured. 
f. Lobated hind-toe of the Ducks forming the second di- 
vision. 
. g. Ensiform process of the sternum in the Goosander (Mer- 
gus Merganser Linn.). 
h. Trachea of the Goosander. The representations referred 
to by the letters a. e. and h. are one-third less than the 
naturalsize. All the rest are of the natural size. 
VOL. XV. Sr - = EVL Un 
