Jan., 1909. Birds of Illinois and Wisconsin — Cory. 



113 



* GROUP 4. Wing, over 6.75 inches long. 

 SECTION 1. Toes, three. 



Black axillars of Black-bellied Plover. 



Gray axillars of Golden Plover. 



Axillars, gray; rump, not orange brown. 

 Charadrius dominicus. 

 Golden Plover. 

 See No. 135. 



Charadrius dominicus. 



Axillars, smoky black; rump and upper tail coverts, not orange 

 brown. Squatarola squatarola. 



Black-bellied Plover. 



See No. 134. 



The Black-bellied Plover has four toes (the hind toe being so small that it 

 often escapes notice), and properly belongs in Section i, but owing to the fact 

 that it is constantly looked for among the three-toed species it is included in 

 both sections. 



Rump, orange brown; under parts, white, with two black bands 

 on the breast; axillars, pure white. Oxyechus vociferus. 



Killdeer Plover. 

 See No. 136. 



SECTION 2. Toes, four. 



Axillars, smoky black; tarsus, over 1.70; hind 

 toe, very small. Squatarola squatarola. 



Black-bellied Plover. 

 See No. 134. 



* For directions for measurement, see page 21. 



