        Twilight clapped her hooves together.  “So far, so good.  Summon the Pegasus commander, to be sure, but I’ll tell you what I am thinking.  Trixie can, somehow, see the aura of living things, possibly because of her ancestry, although of course further study would be required to prove or disprove that theory.  Apparently, she can see them while obscured, through a telescope.  I had the commander put a plant in one of the boxes, but he was not to tell me which box, nor what kind of plant.  He was to mark it so that he would know it.  I arranged for a note to be given to Trixie, to see if she could identify which box and what kind of plant.