It surprised the wild folk in Pleasant Valley when they learned that Mr. Frog had forsaken the Beaver pond for a new home on the bank of Black Creek.

When his friends asked him why he had moved Mr. Frog told them he had made up his mind that the pond was too damp for the good of his health. Besides, Black Creek was nearer Cedar Swamp, where the Frog family held their singing-parties.

Of course, the real reason for Ferdinand Frog's change of scene was that he was afraid Mr. Heron might return to the Beaver pond some day, to look for him.

And when that happened, Mr. Frog did not care to be there.

In his new home, however, he felt quite at his ease. And he set out at once to make himself agreeable to his neighbors.

The nearest of these were Long Bill Wren and his wife, who at that time chanced to have a family of five growing children.

Mr. Frog took a great interest in the youngsters, who were already big enough to leave their ball-shaped home, which hung among the reeds, and hop about on the bank of the creek—and even fly a bit now and then.

Quite often Mr. Frog stopped to look at Long Bill's children and tell their parents how handsome they were.

"I suppose—" he said to their father one day——"I suppose you are going to teach them to swim?"

Long Bill Wren hadn't thought of that. And he said quickly that he was afraid it wouldn't be safe.

But Mr. Frog replied that it certainly wouldn't be safe not to, living as they did so close to the water.

"They're liable to tumble in almost any day," he said. "I suppose you can swim, yourself?"

"No!" Long Bill answered, looking somewhat worried. "I've never learned how."

Mr. Frog appeared greatly surprised by his neighbor's reply.

"Then I'd be glad to teach your children," he offered.

"Swimming is a very simple matter. And when you're young is the time to learn. I began when I was a tadpole. And knowing how to swim has saved my life a good many times."

Naturally the children were eager to have a lesson at once. And Long Bill Wren was about to yield to their teasing, when his wife happened to come flying home.

"What's going on here?" she asked sharply, for she saw that something unusual was afoot.

And when her husband explained Mr. Frog had kindly offered to teach the children to swim she cried, "The idea! I won't have it!"

Long Bill Wren looked uncomfortable. He was afraid his wife had hurt Mr. Frog's feelings.

But Mr. Frog smiled and bowed politely to Mrs. Wren.

"Surely you're not afraid your children will drown in my care?" he cried.

"No!" she told him. "The trouble is I'd be nervous, because one of my young brothers was eaten by a member of your family."

Ferdinand Frog's face fell. But not for long.

"I don't see how that could have come about," he declared. "It must have been an accident."

"Perhaps!" Long Bill's wife replied. "Anyhow, I want no such accidents to happen to my children." And she looked sternly at her new neighbor.

Mr. Frog glanced away uneasily.

"I'm afraid," he observed, "you do not trust me. But I assure you I had no idea of eating any of your little ones. They'd be perfectly safe with me. Why, every one of them is so plump I'd never be able to decide which one to choose first!"

He often wondered, afterward, why Mrs. Wren promptly called all her children into the house.