THE SCAUP DUCK. 



519 



before. It eventually proved to be an adult male Scaup 

 Duck, but what had induced it to remain there all the 

 summer in the society of a bird of a different tribe, is 

 a question which I did not attempt to solve. 



The Scaup Duck is very abundant in Holland during 

 winter, covering the inland seas with immense flocks. It 

 is found more sparingly in other continental countries. It 

 breeds in the extreme north both in the eastern and 

 western hemispheres. 



THE TUFTED DUCK. 



PULIGULA CRISTATA. 



Feathers on the back of the head elongated ; head, neck, breast, and upper 

 plumage black, with purple, green, and bronze reflections ; speculum and 

 under plumage white, except the abdomen, which is dusky ; bill blue, nail 

 black ; irides bright yellow ; feet bluish, with black membranes. Female— 



. smaller, the crest shorter ; upper plumage dull black, clovided with brown ; 

 under plumage reddish white, spotted on the breast and flanks with reddish 

 brown. Length seventeen inches. Eggs greenish white spotted with light 

 brown. 



The points of difference in habit between this and the pre- 

 ceding species are so few that it is scarcely necessary to say 

 more than that it is a regular winter visitor to the British 

 Isles, and is distributed, generally in small flocks, never 



