“That’s all,” said the Voice. “I’m invisible. That’s what I want you to understand.”

“Anyone could see that. There is no need for you to be so confounded impatient, mister. Now then. Give us a notion. How are you hid?”

“I’m invisible. That’s the great point. And what I want you to understand is this⁠—”

“But whereabouts?” interrupted Mr. Marvel.

“Here! Six yards in front of you.”

“Oh, come ! I ain’t blind. You’ll be telling me next you’re just thin air. I’m not one of your ignorant tramps⁠—”

“Yes, I am⁠—thin air. You’re looking through me.”