Plate 23 



Upper: Nest aiul e.u'.ns of while-winged seoter. Stump Lake Keservatioii, 

 North Dakota. June 27. 1S9S. 



Lower: Another nest, same loeality and date. Both photographs presented 

 by Mr. Herl>ert K. .Toll and referred to on page 132. 

 334 



