622 CLASS AVES. 



the head red ; the forehead pale, white-green, and 

 black on the wings ; the tracheal capsule round, 

 moderate, and very bony. 



The genus Marcia of Stephens, Marcia Fistularis, 

 Steph. 



Ruddy Goose, An. Rutila, Pal. Nov. Corn. Petrop. 



XIV. 22. Tandora Rutila, Steph. 

 Grey-headed Goose, An. Cana, and Casarca, Brown 

 III. 41 and 42. 



Spotted-billed Duck, An. P^ecilorhynchos, Ind. Zool. 

 pi. 14, 



Bill, black tip ; yellow at the base; on the forehead, on 

 each side, a rufous bare spot ; above, deep brown, 

 black towards the tail ; bar on wings, and belly white. 

 Ceylon. 



American Wigeon, An. Americana, iheJensan, Enl. 

 955, Wils. viij. 99, 4. 



Crown and forehead, yellowish-white ; head and neck, 

 speckled black and white ; black glossy patch behind 

 the eye ; back, pale-rusty, waved with black lines ; 

 white patch on wing-coverts ; beneath, white. North 

 America. 



Ilathera Duck, An. Bahamensis, Cates. 93. 



Top of head, breast, belly, and thighs, rufous-grey ; 

 above, rufous-brown ; cheeks, throat, and fore part of 

 neck, white. Brazils. 



Dusky Duck, An. Obscura, Wils. viij. 72, 5. 



Blackish-brown ; mirror, violet-blue, black-edged ; 

 under wing-coverts, pure-white. America. 



