If there is any virtue in advertisements—and a journalist should be the last person to say that there is not—the American nation is rapidly reaching a state of physical efficiency of which the world has probably not seen the like since Sparta. In all the American newspapers and all the American monthlies are innumerable illustrated announcements of "physical-culture specialists," who guarantee to make all the organs of the body perform their duties with the mighty precision of a 60 . motor-car that never breaks down. I saw a book the other day written by one of these specialists, to.