20 



B, Toes three (without hind toe), except Kittiwake 

 (p. 50). 



Figure 12. 



Auks, Murres, etc p. 45. 



II. Feet Partly Webbed Webs reduced to scallops, bordering flaps, or 

 small webs at base of toes. Toes four, except as otherwise noted. 



C, Tarsus much flattened; webs as shown. 



Grebes . 



D, Bill extending on forehead and forming 

 frontal plate. 



Figure 13. 



p. 42. 



Coot. 



Figure 14. 



p. 90. 



E, Small birds; bill long and slender; toes 



three or four. . c 



f, Bill without hard terminal enlargement; 



toes four, except Sanderling (p. 97). . g 



Shore Birds Phalaropes, Snipe, Sandpipers, Plover p. 90. 



g, Bill with hard terminal enlargement; 

 toes three, except Black-bellied 

 Plover (p. 103). 



Figure 16. 



Plover ...................................................... p. 102. 



