210 



24 feathers, the four middle ones stiff, and curled 

 up; the legs are red. 



The length about 1 inches. 



The female is plain brown, except the spot on the 

 wings. 



She lays from 10 to 16 greenish-white eggs. 



Labyrinth globular, flattened at the bottom, and 

 furrowed and wrinkled on its surface. 



17. MARILA. SCAUP DUCK. 



A. nigra, humeris cinereo-undulatis, abdomine spe- 

 culoque alari albis. (mas). Lath. 



V. 



The bill is broad and flat, of a lead colour, with 

 a black nail ; irides are bright deep yellow ; the 

 head and neck are black, glossed with green ; the 

 breast and tail are plain black ; the back is grey, 

 delicately pencilled with waved lines ; the lesser 

 quills are white, tipped with black; the belly is 

 white; tail fan-shaped, of 14 brown feathers; the 

 legs are pale blue. 



Length about 23 inches. 



Vary much in size and plumage. 



Labyrinth compared to the head of a drum, being 

 flattened on one side. 



