midnight before
`` I will go with you , '' added Captain Patterdale ; `` and we will take the Sea Foam . '' Donald was permitted to go home and comfort his mother with the assurance that he was entirely innocent of the crime with which he was charged ; and great was the joy of his mother and sister . The mainsail of the Sea Foam was hoisted when he went on board . The wind was rather light , and it was midnight before the yacht anchored off Turtle Head . The party went ashore in the tender , the sheriff carrying a lantern and a shovel . Donald readily found the place where the earth had been disturbed by Laud 's clam-digger . Mr. Beardsley dug till he came to a rock , and it was plain that no tin box was there .