 I know—though I can’t remember learning it—that they live about 80 Martian years, or 160 earth years; that they marry at about 20 (= 40); that their droppings, like those of the horse, are not offensive to themselves, or to me, and are used for agriculture; that they don’t shed tears, or blink; that they do get (as you would say) ‘elevated’ but not drunk on a gaudy night—of which they have many.