"Go back!" screamed Edna, fairly dancing up and down in her excitement, for she knew what would happen better than Eunice did. But Cricket evidently did not understand. She looked over her shoulder, waved her oar, and pulled on.

"Oh, dear," cried Edna, "see, that mud-flat back of her will be all bare in two minutes, and she doesn't know it, and she's pulling right across it. Oh, oh, she's aground!"

And, indeed, the last stroke of the oars had landed the boat on the treacherous bank, where it stuck fast. The girls watched her, eagerly, as the oars came up, dripping with mud, in her frantic efforts to push over it.

"Why doesn't she sit still?" exclaimed Edna, anxiously. "She'll get the boat wedged fast!"

But, by some good luck, one final shove of the oars sent the light boat through the yielding mud, and into a little depression beyond, where the water still flowed. Cricket pulled with all her strength, realizing now the inconvenience of being stuck fast. There was still another flat, which was fast uncovering itself, between her and the island, but if she could only get through that, there was water enough beyond to float her to the island. That had a rock foundation, and the water was unexpectedly deep around it. But, unfortunately, the next mud-flat was too wide to get over it before the swiftly ebbing tide left it entirely bare, and so there, within five hundred feet of the island, she finally stuck, immovably. The girls ran down to the edge of the island, waving their hands, and shouting.

"I—guess—I'm—stuck!" called Cricket, standing up, carefully, and turning around. Fortunately her voice could just be heard.

Eunice and Edna laughed at the obvious truth of her remark.

"I should think she was stuck! What a little goose to try to get out here when the tide was so low!"

"She isn't used to it," said Eunice, defensively. "See, now. Five minutes ago there seemed to be water enough in the bay, and now look at it!"

It was a sight to look at, for the broad mud-flats were now visible in every direction, while streams of water still lay in the deeper depressions.