Casually he laid his wand in the air, rolled up his sleeves, accepted a bowl of eggs from his assistant, and started to juggle half a dozen of them.  His juggling did not attract too many eyes; his assistant was more worthy of stares.  She was a fine example of modern functional design and, while she wore a great deal more than did the young ladies in the posing show, nevertheless there seemed to be a strong probability that she was not tattooed anywhere.  The marks hardly noticed it when the six eggs became five, then four three, two - until at last Dr. Apollo was tossing one egg in the air, with his sleeves still rolled up and a puzzled look on his face. At last he said, "Eggs are getting scarcer every year," and tossed the remaining egg over the heads of those nearest the platform to a man in the back of the crowd. "Catch!"