Hyajjnis, Mass., Aug. 29. - A boating party, consisting of George Barnard aud his two sons, Fred and George; Mrs. H. C. Stnith and her two daugtters, Bertie and Edna; Miss Jennie May er; Stella Hallett; Edward Crowell and Clifton Bradford. all, eicepting Mrs. and Misses Smith, of Hyannis, started out yesterday morning f or a day's sail. When about three miles from shore the boat was struck by a squall and eapsized. The schooner W. H. Lewis, of Chatham, was in the vicinity, and sent boats to the rescue. They succeeded in rescuing seven persons, all of whom were in an exhausted condition, but Bertie and Edna Smith and Fred Barnard, 12-year-old ohlldren, were drovraed.