a occurred 6 3/4 Minutes after the arrival of the first (and maximum) Crest. Immediately preceeding this wave, the mean water level receded to its maximum low of -4 3/4 feet over a period of 3 minutes and then increased to a crest height near maximum in a relatively short time to give a total head” change of approximately 9 feet. The near shore- line obstruction having been reduced by the first crests of the wave train, this later wave increased considerably the intensity and extent of the inland rush ani damage of the first waves of the train.