JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 



59 



* GROUP 2. Wing, from 8 to 10 inches long. 

 SECTION 1. Belly, white; no flap or lobe on hind toe. 



Aix sponsa. 



Head, green, purple, black, and white; chin and upper throat, 

 white; feet, yellow in life (male). Aix sponsa. 



Wood Duck. Summer Duck. 



See No. 50. 



Head, grayish brown, with white stripe through the eye ; chin and 

 upper throat, white; toes, dull yellow in life (female). Aix sponsa. 



Wood Duck. Summer Duck. 



See No. 50. 



Head, brown; chin, not white; a white stripe on sides of the neck; 

 tail, pointed (male). Dafila acuta. 



Pintail Duck. 



See No. 49. 



SECTION 2. Belly, not white; hind toe, without membraneous lobe 



or flap. 



Bill, more than one inch wide near 

 tip ; head, green or greenish ; speculum, 

 metallic green; axillars, white; feet, 

 orange red in life (male). 



Spatula clypeata. 

 Shoveller Duck. Broad-bill. 

 See No. 48. 



Bill, more than one inch wide near 

 tip ; head, narrowly streaked and speckled 

 with brown and dull white; speculum, 

 metallic green ; feet, orange red in life; ax- 

 illars, white (female). Spatula clypeata. 

 Shoveller Duck. Broad-bill. 



* For directions for measurement, see page 21. 



See No. 48. 



