500 Gilmas 1931 PALLAS MURRE③ a flock would fly westward & up the north lagoon, parallel to the beach & then swing over the sand spit when the lagoon ended. Considerable August 22. Still here in good numbers. Generally seen flying well off shore in long lines or wrigging their way over the point well out of gunshot. They are not found and very far from the sea shore, as for instance back on the lagoon. On sunny days when the observer is standing between the sun and the birds, they present a beautiful sight as they fly rapidly by the shore, for the black tails to show up & the white bellies glisten with a dazzling brightness. Aug. 25 Cape Thompson, Alaska. The cutter anchored for two hours off Cape Thompson and as a member of the shore party I had a good opportunity to observe the 'Crowded nesting sites on the cliffs. There were thousands of these birds on the slanting ledges along the face of