"A fog like this always serves me the same way," said Constable Applebee. "There was a black fog when I was born I've heard my mother often say. That's why, perhaps."

"But what happened?" asked Constable Pond. "You haven't told me that."

"This happened. I see a shadder creeping along the wall. I foller it till I'm within half-a-dozen yards. Then I stop and hail it. The minute it hears my voice it gives a start, and when I run forward to lay hands on it, it vanishes."

"You've got," said Constable Pond, admiringly, "the heart of a lion. I don't bring to mind that there's any orders about taking up shadders. Bodies, yes. Shadders, no."

"I ain't exactly a mouse," said Constable Applebee, stiffening himself. "It happened a second time. There it was, creeping ahead of me. This time I don't give it a chance. I run after it and call out, 'Stand up like a man!'"----

"It might have been a female shadder," suggested Constable Pond.

"Perhaps you know more about it than I do," said Constable Applebee, testily.

"No, Applebee, no. Go on."

"'Stand up like a man!' I call out. What's the consequence? It vanishes again, and there I stand, dumbfoundered."

"Does it come a third time, Applebee?"