Holme, R.T. 1964 Pluvialis dominica 4 June Barrow, Alaska 2 mca ABCS, 2 m Pikelka's Plot - 1 male butterfly flight display seen. 5 June 2 so.1B11. Horn's area - 1 aerial displ. flight noted. 7 June None on No. B.R.! 8 June 1 in displ. flight on Pikelka's Plot 9 June 1 No.1BR, along old creosol trail, - gave mild distraction display. (tail depressed - otherwise upright posture) - no nest found. 10 June 1 in display flight on gash ridge - near No. B.R. 11 June 1 " " " beach ridge - near 10-2.0 m Pikelka's plot - in flight gave a pe-leep, pe-leep.... 15 June Pair in central marsh - near ridge - on one of the benches. O was giving what apparently was an exciting display to F - which has Tail + wing tips tilted vertically (to about 60°) - head + neck toward ground - but in straight line with tail - tail - almost perhaps touches the ground - The feet slightly spread so with the folded wing leg lying along side, they formed a square - shaped combinator. - O was always behind F - It looking at his undertail sheep - while crest raked in anal region. ? - third specimen. F very shifted would hold posture for 50-60 sec. at