You turn somersaults and bark:

Or you growl, with drooping tail,

‘Was it Jonah or the Whale?’

“Dog Star, Dog Star, you don’t know,

Euclid, Vergil, Scipio,

Algebra or Calculus,

My! But you are frivolous.”

“You see,” continued Nimbus, “the Dog Star cares absolutely nothing for manners. He even barks at O’Taurus.”

“And who,” inquired Billy, “is O’Taurus?”

“He’s the Irish Bull,” said Nimbus. “I’ll tell you more about him later. I’ve got to go to meet this Meteor now.”