Mark thought a minute. “No,” he says. “’Twon’t do no good. We’ll keep mum.”

That is what we did. When our watch was over we waked Plunk and Binney, and they came out to the fire yawning and stretching. We turned in.

I don’t know when it was, but I was woke up by a yelling and hollering outside the cave. Mark and I jumped out, and there were Plunk and Binney screeching as if they were scared to death and throwing blazing chunks of wood out among the trees after a big black figure that ran and leaped and crashed down the hill and out of sight.

“What was it?” I said, shaking Binney by the shoulder.

“I—I guess,” he said, shaking like a leaf, “that it was a goriller. He didn’t look like anythin’ else.”

A gorilla! Come to think of it, it might be a gorilla, but where in time would one of them come from?

Anyhow, there was no more sleep that night. We all sat up together and kept the fire roaring and blazing as bright as we could. We weren’t troubled again.

In the morning Binney says, while we were getting breakfast, “I guess we better go home.”

Plunk didn’t say anything, and I waited for Mark.

“I ain’t goin’ home,” he says. “I’m goin’ to f-find out what it is. Will you stay with me, Tallow?”