Browning was determined, and it was not long before he had worked the others into a state of excitement over it. Without waiting for breakfast, they sprang into the boat and rowed ashore.
"I saw some tools in the sheds at the end of the railroad," said Bruce. "We will secure them."
The path was taken, and they passed through the old quarry and down the track to the sheds. There they found a pick and spade. With those in their possession, they hastened to the black glade in which lay the grave.
For once in his life Bruce Browning was filled with energy—he was aroused. But even as he reached the grave, he halted suddenly, his hand uplifted, hoarsely gasping:
"Listen!"
The boys were silent.
"Help!"
It was a smothered cry, and it seemed to come from the ground at their feet. It made the hair of the Dutch boy stand and his teeth chatter. It astonished and amazed them all.
"Help!"
Again that smothered cry seemed to come from the grave. What did it mean?