mean!" said Jerry. "Glory, Chris, I really should n't wonder if it were. Captain Kidd was up and down the coast here. What if they buried stuff in there and then propped a big chunk of rock up against the hole?"
"I wish we had a telescope," I said, "though I don't suppose we could see into the blackness with it. Mercy, I wish we could get out there! It's more worth exploring than ever."
"Let's tell Mother and Aunt!" said Greg, and started running back down the beach, shouting something all the way.
Mother said, "Nonsense!" and, "Of course it's a natural cave in the rock. You probably only noticed it today."
But she and Aunt Ailsa shut up the H. G. Wells book and came to look. They did think, when they saw it, that it was something new. Aunt Ailsa thought it looked very exciting and mysterious, but