“That’s a part of a very old church, now used only by the poorest peons.” Jo Ann’s eyes opened in surprise. “I don’t see how they can use it—it looks as if it were falling down.” “The main part of the church is all right, but they never use the other part. I don’t know whether it was partially destroyed in a war or whether it just caved in from old age.” “How old do you think this church is?” “I don’t know exactly, but it’s several hundred years old. I’ve heard that it’s one of the oldest buildings in this part of Mexico. All the better classes of people attend the large modern cathedral across the Plaza.” “May we go over to the old church? I’d love to see it.” “Why, yes, we’ll have time to go over there before lunch. There isn’t much to see, so it won’t take us long.” Florence turned and said something in Spanish to Juana; then the three girls started out of the kitchen door. “Before we go,” Florence added, “I’ll show you this other room just across the hall—there’s nothing interesting or unusual about it, though. It has only one window looking out on the back street. There’s nothing but the back of that old church to be seen from it.” After glancing about this room they hurried on down to the street, Jo Ann in the lead. She could scarcely wait to visit the old church. As they started across the street, Peggy looked longingly toward the Plaza and the crowded streets of the business section of the city. She much preferred sightseeing in that direction, but she knew Jo Ann had set her heart on seeing the old church and that there was no changing her. A few minutes later the girls passed under the old stone arch and into the vestibule with its font of holy water, then walked softly on into the church. Having come in from the bright sunlight, they were unable at first to distinguish anything except the candles burning on the altar. A reverent silence lay over the entire building. With her finger to her lips Florence motioned Jo Ann and Peggy to a bench. They sat down quietly, careful lest they disturb the peacefulness of the place. As their eyes became accustomed to the dim interior, they noticed several figures with black shawls about their heads and shoulders, kneeling at the altar. A