KEY TO FAMILIES. 



WATER BIRDS, 

 GROUP 1. 

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



Bill, pointP'l; feet, placi'd far hack, near tail: umlerpart-;. silvfiy white; tail, very ^;ho^t. 



Family PODICIPID/E. Grebes. 



See pa^i'e 26. 



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

 ohate wehg. Family RALLID/E. Subfamily FULICIN/E. Coots. 



See page 100. 



