162 KEY TO THE WATER BIRDS 
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 the 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; speculum gray. 
Resembles female of -ly¢hya americana but is 
smaller. 
ms 
Length, 20.50; Wing, 8.30; Tarsus, 1.60; Bill, 2.10. 
Head and neck grayish brown; becoming whitish 
on chin; speculum gray; resembles female 
Aythya collaris, but is larger. 
Length, 19.50; Wing, 9.10; Tarsus, 1.60; Bill, 1.90. 
Head green; white patch at base of bili; specu- 
lum white. 
Length, 12.75; Wing, 6; Tarsus, 1.20; Bill, r. Head 
purple, green, and white; back black; speculum 
white. A very small duck. 
Length, 12.50; Wing, 5.75; Tarsus, 1.20; Bill, 1. 
White patch on side of the head; back brownish ; 
speculum white. A very small duck. 
Length, 15.25; Wing, 6; Bill, 1.50; Tarsus, 1.20. 
General color chestnut brown or grayish .brown 
(according to sex), silvery white beneath; patch 
of white on side of the head; tail feathers stiff 
and pointed. 
OF FLORIDA. 
Oidemia perspicillata (female). 
Surf Scoter. 
Skunk-head Coot. See page 235 
Aythya collaris (female). 
Ring-necked Duck. See page 229 
Aythya americana (female). 
Red=head Duck. See page 226 
Glaucionetta clangula ameri- 
cana (male). 
American Golden Eye. 
Whistler. See page 231 
Charitonetta albeola (male). 
Buffleszheaded Duck. 
Buffle-head. See page 231 
Charitonetta albeola (female). 
Buffle-headed Duck. 
Buffle-head. See page 231 
Erismatura rubida. 
Ruddy Duck. See page 236 
