30 



KKY TO THE WATKR lURDS OF FLORIDA. 



Length, 19.50; Wing, 9.50; Tarsus, 1.75; Bill, 1.50. 

 Head brownish, showing a slight trace of whitish 

 on the sides : under surface of body grayish ; 

 whitish on tlie belly ; feathers on top of the 

 bill less than one half inch from nostril ; no 

 white on wing. 



Length, 16.40; Wing, 7.35; Tarsus, 1.20; Bill, 1.75. 

 Head and neck grayish brown ; chin and ante- 

 rior portion of lores whitish ; speciiliiiu gray. 



Resembles female of AytJiya ai/iericaita Init is 

 smaller. 



Oidemia perspicillata (female). 

 Surf Scoter. 

 5kunk=head Coot. See page 103 



Aythya collaris (femaleV 

 Ring^necked Duck. See page 97 



Length, 20.50; Wing, S.30 ; Tarsus, 1.60; Bill, 2.10. 

 Head and neck grayish brown; becoming whitisli 

 on chin: speciiluiii gTuy; resembles female 

 Av//i\uJ collaris, but is larger. 



Aythya americana (female). 

 Red=head Duck. See page 99 



Lengtli, 19.50; Wing, 9. to; Tarsus, 1.60; Bill, 1.90. 

 Head green ; white patch at base of bill ; specu- 

 lum white. 



Length, 12.75; Wing, 6; Tarsus, 1.20; Bill, i. Head 

 purple, green, and white ; back black : speculum 

 white. A very small duck. 



Length, 12.50; Wing, 5.75; Tarsus. 1.20; Bill, i. 

 White patch on side of the liead ; back brownish ; 

 speculum white. A very small duck. 



Length, 15.25; Wing, 6; Bill, 1.50; Tarsus, 1.20. 

 Cieneral color chestnut brown or grayish l)rown 

 (according to sex), silvery white beneatli ; patch 

 of white on side of the head ; tail feathers stiff 

 and pointed. 



QIaucionetta clangula ameri= 

 cana (male). 

 American Golden Eye. 

 Whistler. See page 99 



Charitonetta albeola (male). 

 Buffle=headed Duck. 

 Buffle-head. See page 99 



Charitonetta albeola (female). 

 Buffle°headed Duck. 

 Buffle=head. See page 99 



Erismatura rubida. 

 Ruddy Duck. See page 104 



