26 
KEY TO BIRDS 
e, Nostrils in tubes on top of bill. 
Tube-nosed Swimmers — petrels, etc 
Figure 12 
p. 44 
if 
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. 
Figure 14 
Grebes p. 40 
E, Small birds; bill long and slender, in some cases 
decurved or recurved; toes three or four. 
f. Bill without hard terminal enlargement; toes 
four, except sanderling (p. 210). 
Figure 16 
Shore Birds — phalaropes, snipe, sandpipers, plover 
p. 176 
