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. 



__. . W 



C, Tarsus much flattened; webs as shown. 



Figure 13. 

 Grebes p . 42. 



D, Bill extending Ai forehead and forming 



frontal plate. <= — < •' 



Figure 14. 

 Coot p. 90. 



E, Small birds; bill long and slender; toes 



three or four. 



f, Bill without hard terminal enlargement; 



toes four, except Sanderling (p. 97). 



Figure 15. 



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



/ 



g, Bill with hard terminal enlargement; ^^ 7 =^^ 



toes three, except Black-beUied /^ ._-!~^ \ 



Plover (p. 103). ^ — '■ ^- 



Figure 16. 

 P^O''^ p.102. 



