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Show The Oornn'H "Uniler-Tow." Doubtless wn'huvu nil heard n good dual about this "undor-tow," us though it woro sonio mysterious force working from tlio recesses of a. treacherous ocean to draw unwary bathers to their doom. As n mutter o'f fact its presence-Is presence-Is obviously natural, and tlio explanation explana-tion of it nioro than simple As each wave rolls in ami breaks upon tlio beach, tho volume of water which it carries does not remain thero and sink iuto tliu sand; it Hows back ngaln, and, ns tho succeeding wave breaks over it, tlio receding ouo forms an under-current llowjng outward of strength proportionate pro-portionate to tho body of water contained con-tained in each breaker, and, ngain, proportionate in n gieat measure to tliu depth of tho ditch. Whero this latter is an appreciahlu depression, It can bo readily seou that tho wntor of receding waves u ill How into it with similar effect of that of wntor going over n fall, and tli.it a person standing near is very likely to bo drawn over with it, and thus, if the ditch is .deep unougli, carried nut of his depth. Tills is all llieru is to tliu iniirh-ttilkcd-of "untler-tow" ami tlio numerous accidents ac-cidents laid to Its account. Dujjkld Oibornt, in Scribner's. |