them. Even if they had, the motorboat would not be overtaken.
They circled about in the bay for some time and eventually put back into the harbor for the night. At first they were afraid that the men on the schooner might have given word to the harbor police to be on the lookout for them but, as Frank said, their consciences were clear and they had no doubt of their ability to explain the situation satisfactorily.
However, they were not intercepted and, in Rock Harbor, they tied the motorboat up for the night, going to a near-by hotel, where a sleepy night clerk assigned them to a room.
Early next morning they were away again.
"Blacksnake Island isn't far away now," said Frank. "We should be there in a few hours at the most."
There was no sign of the other boys, but Frank and Joe decided that they would not wait, as the others would overtake them at the island or would meet them on their return. They had replenished their boat with oil and gasoline, they had again inspected their supply of provisions and were in every way in readiness for the last lap of their search.
It was mid-morning before they came within sight of Blacksnake Island. It lay not far from the coast, a low, lean, sinister stretch of swampy land, terminating in rocky bluffs on
