OF THE BRITISH ISLANDS. 375 



with white, but not so conspicuously as that of the Wigeon. 

 Only one brood is reared in the year. Incubation lasts from 

 twenty-three to twenty-seven days. 



Diagnostic Characters. — (Nuptial plumage), Anas, with the 

 upper breast white (adult male) ; with the tail feathers brown 

 obhquely barred with white (adult female). Length, 24 to 28 

 inches. 



