The Water Foiid. 21 



domestic Duck ; primaries uniformly 

 black, or with the inner web of a sHghtly 

 paler black than the outer ; axillaries 

 white ; under tail-coverts never plain 

 white nor barred across ; in the closed 

 wing, the first secondary reaching to about 

 the tip of the longest primary coverts. 

 Confined to the Indian Empire. P. 147. 



True Ducks. — Varying in size from 

 that of a common Teal to that of a 

 domestic Duck ; the outer web of the 

 primaries blackish, the inner web drab, 

 with a blackish tip ; axillaries white, or 

 white mottled with brown ; under tail- 

 coverts never plain white nor barred 

 across ; in the closed wing, the first 

 secondary falling short of the tip of the 

 longest primary coverts by more than half 

 an inch. Of wide distribution. P. 168. 



Marbled Ducks. — Rather larger than 

 a common Teal ; primaries grey on both 

 webs, with dusky tips, the first five or six 

 with a silver-grey tinge on the outer web ; 

 axillaries white, barred with brown near 

 the tips ; upper plumage marked with 

 large, roundish, pale buff spots ; under 

 tail-coverts barred across. Of wide dis- 

 tribution. P. 272. 



PiNK-HEADED DucKs.—About the size 



