120 



YEARBOOK, PUBLIC MUSEUM, MILWAUKEE 



[Vol. III. 



ter, and a boulevard cut through one side. A few birds started to 

 gather at the usual time, but became disgusted and abandoned the 

 location. 



Besides the banding of nestlings which should be done whenever 

 opportunity presents, there are many other fields open to the free 

 lance bander and problems that he can follow up from year to year as 

 the regular station operator does. One of these involving the Bank 

 Swallows was begun this 3^ear. Whether they return to the same 

 colonies, or even to the same holes in the bank season after season; 



Fig. 74. — .Saiiclpiper trap with "leads" in position set on the shore of Bar 

 Creek, near Cedar Grove, Wis. 



whether they remain mated or remate, and where the young go, are 

 only a few of the questions that persistent banding alone can answer. 

 Last year the writer's banding partner, Clarence Jung, caught two 

 Sandpipers in an ordinary Government sparrow trap, set on the shore 

 of Bar Creek near the Cedar Grove camp site. (For a description of 

 this spot see pp. 125-126.) These were the first adult Sandpipers 

 known to have been trapped, according to the authorities of the Survey, 

 it being generally believed that this class of birds would be very difficult 

 to catch. This was so interesting a result that the trap was set on 



