428 Field Museum of Natural History — Zoology, Vol. IX. 



Adult: Crown and back, brownish gray, feathers tipped with 

 rufous; a ring around the neck, lores, and a patch on the breast, 



black; forehead, white; throat 



and spot behind the eye and 



\ a band around the neck, 



white ; lower breast and belly, 



white; tail coverts and rump, 



bright rufous; tail, rufous and 



gray, tipped with black and white; bill, 



black. 



Length, 10.65; wing, 6.55; tarsus, 

 1.40; bill, .75. 



This species is a common summer 

 resident in Wisconsin and Illinois, breed- 

 ing in suitable localities. It arrives in 

 March and remains until cold weather 

 sets in. It breeds in April and May. 

 The nest is merely a depression in the ground with, at times, a 

 slight lining of grass. The eggs are usually four, pyriform in shape, 

 dull white, blotched and spotted with chocolate brown, more numer- 

 ous at the larger end, and measure 1.65 x 1.15 inches. 



Killdeer Plover. 



Genus ^GIALITIS Boie. 



137. iEgialitis semipalmata Bonap. 

 Semipalmated Plover. 



Local name: Ring-neck. 



Distr.: Arctic and subarctic America, breeding from Labrador 

 northward, migrating south to the West Indies, Brazil, Peru, and the 

 Galapagos Islands, in winter. 



Adult in summer: Forehead, white, S'ac- 

 ceeded by a band of black; rest of head, 

 back, and wings, ashy gray; a dull stripe of 

 blackish passing from the bill under the eye 

 to the sides of the neck; a small patch of 

 white back of the eye; a broad band of 

 black on the breast; rest of under parts, 

 white; throat, white, extending around the 

 neck and joining at the back in a very narrow 

 stripe; secondaries, tipped with white; bill^ 

 black, orange at the base; a bright orange ring 

 Semipalmated Plover. around tlic cyc ; toes wcbbcd at basc. 



