On a certain August day, in the year 1776, two little girls were strolling hand in hand along the pleasant promenade that leads from the queer little town of Ajaccio out into the open country. The town of Ajaccio is on the western side of the beautiful island of Corsica, in the Mediterranean Sea. Back of it rise the great mountains, white with snowy tops; below it sparkles the Mediterranean, bluest of blue water. There are trees everywhere; there...