"But toads have got no tails."
"Well, a frog's tail will do."
"And frogs have no tails, Duckie. You're a bit off your natural history."
"Well," cried the Duckling, "a garden worm will do. That's all tail. Got 'im down?"
"Yes."
"Next, place in your cauldron a hair of the dog that bit you."
"Yes."
"And next—mind, this is very important, and will greatly aid the efficacy of the medicine—five drops of the sweat of a murderer's right hand."
The white-faced young clerk glared up aghast.
"Wh—wh—why," he faltered, "there is no murderer on board!"