lA.MlLY ANATlD.i:. — DUCKS, GEE.SE, AM) SWANS. 61 



ORDER ANSERES. 



Lame! li rostral Swimmers. 



FAMILY ANATID/E. 

 Ducks, Geese, and Swans. 



SUBFAMILY MERQIN/E. 

 Mergansers. 



Fish-eating Ducks having narrow bills with tooth=like serrations on 

 edges, and the tarsus, scutellate in front. 



^ Group 1. Wing, from 6.50 to 8.50 inches long. 

 Section 1. Bill, narrow, with tooth=like serrations. 



I.oi.lioilytcs cucullatus (mule). .I.opliodytes ciicuUatiis. 



Head, brownish or grayish ; tar?;u3, less than l.oO: cr.'st, small (female ami immature). 



Lophod'jlescucnlhitits. Hooded Merganser. 



See No. SS. 



Head, with black and white crest ; tarsus, less than.l.JiO (male). 



Lophod'jtes cucuUatus. Hooded Herganser. 



See No. 88. 



• For directions for measurement, see page 9. 



