take oath it was a woman; whereas a child asserts that the figure was a man. Now, will you not also grant that the circumstantial evidence of a man's footprints in the snow would supply incontrovertible proof that it was, in fact, a man, and not a woman?"
"Not at all, my dear Justinian," replied Vance, stretching his legs languidly in front of him; "unless, of course, you could show that a human being possesses no higher order of brains than a duck."
"What have brains to do with it?" Markham asked impatiently. "Brains don't affect one's footprints."
"Not those of a duck, certainly. But brains might very well—and, no doubt, often do—affect the footprints of a human being."
"Am I having a lesson in anthropology, Darwinian adaptability, or merely metaphysical speculation?"
"In none of those abstruse subjects," Vance assured him. "I'm merely stating a simple fact culled from observation."
"Well, according to your highly and peculiarly developed processes of reasoning, would the circumstantial evidence of those masculine footprints indicate a man or a woman?"
"Not necessarily either," Vance answered; "or, rather, a possibility of each. Such evidence, when applied to a human being—to a creature, that is, with a reasoning mind—would merely mean to me that the figure crossing the snow was either a man in his own shoes, or a woman in man's shoes; or perhaps, even, a long-legged child. In short, it would
