ANSER 73 



Genus ANSEK. 



The only Indian Goose which has a red breast belongs to the 

 genus Brauta, and cannot be confused with any of the birds of 

 this genus, which arc all coloured with black and white and the 

 intermediate shades. 



Key to Species. 



A. Head with two black bands 1. indicus. 



B. Head with no black bauds. 



a. Nail of maxilla white or nearly so. 



(/. No white or very little white on forehead. 



Eump grey 4. anscr. 



1/, A good deal of white on forehead, round 

 base of bill. Kiinip dark greyish-brown. 



ft". Wing over b5 inches A. nlhifrons. 



li'. Wing under b5 inches A. cnjihropus. 



b. Nail of maxilla black or nearly so. 



c'. Margin of wing ashy blue-grey, upper wing- 

 coverts light slaty-grey A. braclujihunchas. 



d'. Margin of 'wing and wing-coverts dark 

 brown or blackish-brown. 



ft^. Pale-coloured parts of bill rose-pink . . A. imjlcctus. 



b^. Pale-coloured parts of bill yellow. 



a'. Nail less than quarter length of 

 culmen. 



a*. Culmen 1'88 to 2'40 inches . . A. fabalis fabalis. 



b\ Culmen 2'44 to 2'83 inches . . . A. fabalis scrrirostris. 



b". Nail more than quarter length of 

 culmen. 



c*. Culmen 2' 16 to 2'83 inches . . . A. arvcnsis arvensis. 

 d\ Culmen 2'91 to 3'26 inches . . . A. arvcnsis sibiricus. 



