Yes, there was a wet spot.

What were those two bright points shining in the dim fireglow! They looked like eyes.

Winn sprang to his feet.

At his movement the glowing eyeballs vanished.

Some animal uttered an indescribable sound, something between a bark and a snarl, there was a rustling of dead leaves, and then all was still.
While the boy stood trembling with the vague fear that always accompanies a suspected but unknown danger, and staring blankly into the darkness, there came to his ears from the forest depths a sound that was almost as terrifying as the recent presence of the unknown animal.