“Now pass your arm through this opening.”

“Why?”

“You will know presently — pass it.”

Porthos obeyed with military promptness and passed his arm through the opening.

“Admirable!” said D’Artagnan.

“The scheme goes forward, it seems.”

“On wheels, dear friend.”

“Good! What shall I do now?”

“Nothing.”

“It is finished, then?”

“No, not yet.”

“I should like to understand,” said Porthos.