Plate 17 



Upper: Immature spotted sandpiper swimming. It propelled itself by wings 

 alone while beneath the surface and by use of the feet, like a phalarope, on 

 the surface. Presented by Mr. Howard H. Cleaves. 



Lower : Young spotted sandpiper, Jamestown, N. Y., June 20, 1925, presented 

 by Mr. Roger T. Peterson. 



357 



