When I arrived at the studio on the following afternoon I found the door open and Polton waiting just inside with his hat and overcoat on and his bag in his hand.
“I am glad you are punctual, Sir,” he said, with his benevolent smile. “I wanted to get back to the chambers in good time today. It won’t matter tomorrow, which is fortunate, as you may be late.”
“Why may I be late tomorrow?” I asked.
“I have a message for you from the doctor,” he replied. “It is about what you were discussing last night. He told me to tell you that he is expecting a visit from an officer of the Criminal Investigation Department, and he would like you to be present, if it would be convenient. About half-past ten, Sir.”
“I will certainly be there,” said I.
“Thank you, Sir,” said he. “And the doctor told me to
