He put on his hat and despatched two of them on errands in different directions.

The last he was obliged to take into his confidence.
"Halsey," he said, "I am going out to lunch.

At least, I wish it to be thought that I am going out to lunch.

As a matter of fact, I shall return in about ten minutes by the back way.

I do not wish you, however, to know this.