KEY TO FAMILIES. 



WATER BIRDS. 



GROUP 1. 



Toes, four, with lobate webs, or webs on sides of toes. 



Bill, poiuted; feet, placed far back, near tail; underparts. silvery white; tail, very short. 



Family PODICIPID/E. Grebes. 

 See page 26. 



Forehead, with bare shield; bill, rather short; general color, slaty gray; toes, with 

 lobate webs. Family RALLID/E. Subfamily FULICIN/C. Coots. 



See page 100. 



