If Glen had detected that smile on Mr. Hobart's face, he would have been spared a few moments of very unhappy reflections. He would have known that his brown-bearded friend could not smile while dashing his high hopes, and that there must be something pleasant back of it all. But as the engineer, who could not resist the temptation to try the effects of a disappointment on the boy's temper, turned away his face at that moment, his words were heard, while the smile was not noticed.