THE 



WATER BIRDS 



OF 



NORTH AMERICA. 



Order ANSERES. 



THE LAMELLIROSTRAL SWIMMERS. 



{Continued.) 

 Genus NETTION, Kaup. 



Nettion, Kaup, Entwick. 1829, 95, 196 (tyiio. Anas erccca, Linn.). 



QucrqiKdiila, Uonap. Conip. List, 18^8, ct Aucr. var. (not of Stephens, 1824, and subsequent 

 luithors). 



Char. Bill shorter than the head, narrow, depressed (except at base), the edges parallel ; tarsus 

 ■horter than the bill or middle toe ; najie with a small niaue-like tuft ; rectrices more or less 

 Acuminate, the middle pair longest. 



This genus is very readily distinguished from Qncrqucdiih by the very different form of the bill, 



-^l^^^m^^^^^ts^^—^- 



iV. carolinensia. 



idiich is more like that of Dafila, but much smaller, being much more depressed terminally, and pro- 

 -artionaUy deeper through the bose than in Querquedula ; while the lower edge or maxillarjr tomium 

 ieither gently convex throughout (as in the southern species), or straight ante.riorlv and decid- 

 I VOL. ir. — 1 ' 



