Holmes, R 1960 Erdia bairdi 4. 13 June Barrow, Alaska The beach ridge was again walked from the magnetic station to the gas line, and the distributing pair were nearly identical (see chart, p. 2). There appear to be several additional pairs near ATCS, but it was impossible to define their areas this morning. In the afternoon, Brittan's Sweet Dott's area were checked for these birds. Only 1 pair was seen, but several others were heard displaying. When first found, The pair were chasing (♂ after ♀) across the tundra. They finally stopped on the edge of a snow bank where they jumped & tumbled around for 35 sec. During this time, the ♂ attempted to mount the ♀ several times, but each time she would throw him off. Finally the ♀ walked off with the ♂ following closely behind. I could not see her entire body during the time due to topographic conditions, but his tail was cocked. The wings were in a horizontal position. 15 June - a pair was seen displaying. Unfortunately for me they were behind a mound most of the time. One time when they