Show ROCKING ROCKINa STONE OF TAN TANDIL OIL I IOne S i f Y YV V k f fOne One of the curiosities of nature to tobe tobe tobe be seen In Argentina Is the rocking stone of Tandil miles mlles from Buenos Ayres on the Southern railway The stone measures 13 feet In height by 16 In n diameter and apparently is balanced balanced bal bal- on the crest of a huge mass of solid rock The phenomenon Is explained explained explained ex ex- by the fact of ot a circular protrusion pro pro- ruslon on the under side of the stone which fitting snugly into a depression depression depres depres- sion slon in the foundation holds It in place A strong wind causes causes it to oscillate perceptibly |