86 FIELD MUSEUM OP NATURAL HISTORY ZOOLOGY, VOL. IX. 



twisted. Occurs in Atlantic States only in Florida; accidental in 

 Illinois. Aramus vociferus. 



Limpkin. 

 See No. 93. 



Limpkin. 



Family RALLID^E. Rails, Gallinules, and 



Coots. 



In North America the Rallidae are subdivided into three well- 

 marked groups, which may be characterized as follows: 



Key to subfamilies and genera. 



i. No frontal shield; toes, long; tail, short; wings, short and 

 rounded. Subfamily RALLIN^). Rails. 



