KEY TO THE WATER BIRDS OP FLORID 



27 



Anas discors fmale). 



Anas carolinensis (male). 



Length, 14.50; Wing, 7.20; Tarsus, 1.25; Bill, 1.50. 

 No blue patch on wing; speculum black, tipped 

 with white. 



Length, IG; Wing, 7.50; Bill, 1.75; Tarsus. 1.30. Head 

 and neck chestnut ; a patch of blue on wing ; 

 speculum green. 



Anas carolinensis. 

 Qreen=winged Teal. See page SS 



Anas cyanoptera. 

 Cinnamon Teal. See page S9 



Subfamily FULIGIN^. Sea Ducks. 



(i) Hind toe with well=defined membranous 

 lobe or flap. 



Belly white, sometimes grayish or blackish 

 on lower part ; no white on head. 



Length, 21.50; Wing, 9; Tarsus, 1.50; Bill, 2.30. Head 

 reddish brown, chin and crown dusky ; speculum 

 gray ; upper feathers edged with black. Resembles 

 Redhead Duck, but bill ve7y different. (See figure.) 



Aythya americana. 



Aythya vallisneria. 

 Canvas=back Duck. See page 95 



