KEY TO THE SHORE BIRDS OF NORTH AMERICA. 



No web between toes; bill, not thick. 



Sanderling Sandpiper. 



Cnlidris arenaria. 

 See page 53. 



Caledris arenaria. 



GROUP III. 



Birds having wings measuring from 4.50 to 5.50 inches long 

 Section 1. Toes, 4, a small web between toes; bill, under 1.75. 



Bill, under 1 .75. Tarsus, over 1 .30. All other species in this section have the 

 tarsus less than 1.30. Stilt Sandpiper. 



Micropdlama h imantopus. 

 See page 42. 



Tarsus, under 1.3O. Back, dark olive spotted with 

 white, or brownish gray spotted with dull white, ac- 

 cording to season. Axillars, heavily barred; a small 

 web between the outer and middle toe. 



Solitary Sandpiper. 

 Totanns solitarius. 

 See page 50. 



Back, greenish olive, sometimes barred with black; axillars, white without bars. 

 At some seasons underparts with round black spots ; a small web between the 

 outer and middle toe. Spotted Sandpiper. 



Actitis macularia. 

 See page 66. 



Back, heavily streaked with black and tawny; belly, reddish 

 brown, showing more or less white ; toes, with small 

 lobate webs. 



Red Phalarope. 



Crymoph ilns fiiHrariu*. 

 See page 32. 



Back, grayish, streaked with tawny; belly, white; toes, partly 

 webbed; bill, under 1.05; tarsus, under 1. 



Northern Phalarope. 

 Phalaropus lobatus. 

 See page 33. 



