"Sir-sir, it is a boy " "A boy," said my father, looking up from his book, and evidently much puzzled: "what is a boy?" Now my father did not mean by that interrogatory to challenge philosophical inquiry, nor to demand of the honest but unenlightened woman who had just rushed into his study, a solution of that mystery, physiological and psychological, which has puzzled so many curious sages, and lies still involved in the question, "What is man?"...