Behle 1934. Great Salt Lake, Utah June 25 Started at 7:00 A.M. for White Rock and Egg Island in Dr Thomas C. Adams' sailboat using my big motor. Others of the crew were a Mr Borah, one of the editors of the National Geographic magazine who is writing an article on scenic Utah, and Mr Hart who is a local engineer. This man was the fifth member. A stiff breeze blew us along at a fair rate toward the south end of Antelope Island. About two thirds of the way across we came upon great banks of a small shore bird which I took to be Sanderlings but am not positive of my identification some we could not get close to them. There must have been nearly two thousand of these birds in sight at one time stretching across half the horizon in flight. For the most part they were gathered in flocks of several hundred and went wheeling around in all directions. I marveled at the "flock-mind" as I watched these closely packed masses turn one way and then