134 
Plate IV 
A. Wliite-rumped sandpiper ( Pixabia funcicoUis ) on nest near Takuirbing river, Nettilling 
lake-, June 23, 1925. (Page 9S. ) 
B. Nest of the white-lumped sandpiper (Pisobia fuscicolhs ), Nettilling lake, June 23, 1925. 
(Page 98.) 
