Jomich 1953 Erolia bairdii June 14 Point Barrow, Alaska that of flying back and forth, or around the observer in flights of 100 to several hundred feet, and uttering a plaintive call. Often the bird would alight and if followed would tend to lead the observer away, but not by a pronounced fading of injury. The four eggs in each nest were arranged, with the points turned to the center, neatly filling the nest. June 15 Along the gravel spit and toward Nunuch I saw about 6 birds this afternoon, singly or in couples. Thompson collected one bird. His first shot injured the bird. It flew about 50 yards and lit, crouching motionless on the gravel. The ♂ then came to it. Both had been feeding together. Almost immediately he mounted the ♀ and copulation seemed to take place. From the rear at quite a distance I could see the male's wings raised nearly to vertical and vibrating. The action, possibly because of the condition of the ♀, lasted an estimated 10 seconds, long enough for me to discover it, watch momentarily, and then to raise my glasses and study the pair. The ♂ dismounted and then proceeded with an elaborate display. He settled into a slightly squatting position and with rapid short steps moved in a half circle to the right