JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 87 



A. Bill, slender, longer than head. RALLUS. 



B. Bill, comparatively stout, shorter than head. 



PORZANA. 



2. A horny frontal plate or shield; toes, without large lobate 

 webs. Subfamily GALLINULIN^. Gallinules. 



A. Toes, without narrow lateral margin. IONORNIS. 



B. Toes, with narrow lateral margin. GALLINULA. 



3. A horny frontal shield; toes, with large lobate webs. 



Subfamily FULICIN^E. Coots. 



A. General plumage, slate color; pale on under parts. 



FULICA. 



Subfamily RALLIN^E. Rails. 



Birds which frequent marshy places. Toes, long; wings, short 

 and rounded ; bill, shorter than middle toe and claw together. 





Virginia Rail. 



King Rail. 



Black Rail. Sora Rail. 



