128 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



* 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 duminint*. Golden Plover. 

 See No. 221. 



C'haradrius dominions. 



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



Clutradrius squatarola. Black-bellied Plover. 

 Sec No. 222. 



This species has four toes (the hind toe being so small that it often escapes notice), and properly belongs in 

 Group 5, Section 3, but owing to the fact that it is constantly looked for among the three-toed species it is included 

 in both sections. 



Hump, orange brown; underparts, white, with two black bands on the breast ; axillars. 

 pure white. JEgialitis vocifera. Killdeer Plover. 



See No. 225. 



No black bands on breast; shaft of first primary, white; back, brownish gray; axillars, 

 white. A Western species of casual occurrence in Florida; not recorded elsewhere on 

 Atlantic coast. ^Egialitis montana. Mountain Plover. 



See No. 231. 



Section 2. Toes, four. 



Axillars, smoky black; tarsus, over 1.70; hind toe, very small. 



Charadrius squatarol'i. Black=bellied Plover. 

 See No. 222. 



* For directions for measurement, see page 9. 



