"Cheer up," said Mary Louise, for she knew at once that the serpent was the poor prince in disguise. "I have a magic ring!"

Dear me, I forgot to mention that the Princess Mermaid had given it to little Mary Louise for a charm against evil.

"But what can that do for me?" asked the poor serpent prince.

"Leave that to me," replied little Mary Louise, and she turned the magic ring around three times, and, all of a sudden, a little Black Man appeared.

"What can I do for you, little Mistress?" he asked.

"This serpent was once a handsome prince," explained Mary Louise, "but by the magic of a wicked magician has been changed into a snake. Help him to regain his natural shape."

"That is a hard matter," said the little Black Man thoughtfully. "I know this wicked magician. He has great power and it takes a strong charm to work against his evil power."

And then the little Black Man ran his hand through his crinkly hair and thought for a while.

"There is a crimson apple that grows in the Gardens of the West," he said at last, "which if eaten, enables one to regain his natural shape. But the distance is far, and the way dangerous. And the owner of the garden refuses admittance to any man. But whether he would refuse a little girl, I do not know."

"I can but try," said little Mary Louise bravely. And when the serpent heard this, he lifted up his head and said: