Holmes,R. 1960 4. Eroliā alpina 3 june Barrow, Alaska which bird landed near them. The chase looked for about 48 yards, at which from the pair landed there feeding again, while the intruder flew off. During the next several minutes, they flew quietly with occasional interruptions by the (?) who he gave the aerial hills. This was done several times while he was at a ground tour usually when he was crossing a mound or patch of snow from 1 feeding locality to another. One bird, believed to be ?, was collected; the other flew off two not heard a sun during a next 10 minutes. In the late afternoon in the same area, two birds (pr.? ) were seen feeding, a third bird which had just finished displaying (the pr had paid no attention to this display) flew up landed about 8 feet away. At the walker rapidly toward the birds, who at about 3 feet away, all three took flight. The chase lasted about 2 minutes, and while the birds they were wheeling back forth over the tundra over Eroliā alpina. When the ? quit, the pr. flown southward. Their manner of flight was the same as in chase, both birds flew