He struck the bell upon the table with his hand. Chichester-Pettigrew, alias Minks, answered the summons.

“This letter is to go immediately⁠—the usual route.”

“Very well, Colonel.”

He looked at the name on the envelope. Sir Eustace was watching him keenly.

“A friend of yours, I think?”

“Of mine?”

The man seemed startled.

“You had a prolonged conversation with him in Johannesburg yesterday.”

“A man came up and questioned me about your movements and those of Colonel Race. I gave him misleading information.”