Mrs. Ada D. Davidson

Mrs. Ada D. Davídson, retiring president of tlie National Scieuce Club For Women of Washington, Las devoted her time during the past year to geological excnrsions, spending last suninier in Europe. At the annual meeting of the club last January she described the Giant's cansevay, the White cliffs of Dover, the Alps, the Mer de GHace Mount Vesuvins and other points of interest. 8he has reoently fonud traces of glacial aotion aloug tho line of the new diaiuage canal southwest of Chicago.