“Jerry!” he called.
“Yes, it’s me, Ned. How’s Bob?”
“No better. Did you find the professor?”
“No. I went as far as I could. The path ended in a deep swamp and I couldn’t see any way to get across. I had to come back. Is everything all right?”
“No, Jerry. I’m afraid we’re in for a streak of bad luck.”
“How so?”
“Butterfly Lake is lowering.”
“The lake lowering! What do you mean?”
“I hardly know myself. Either it’s connected with the ocean and the tide is falling, or the bottom has dropped out.”