Put those in the post.

I'm not going just yet, so I'll lock up the office.

Leave the outer door open--Mr.Mallalieu's coming back." He pulled down the blinds of the private room when Stoner had gone, and that done he fell to walking up and down, awaiting his partner.

And presently Mallalieu came, smoking a cigar, and evidently in as good humour as usual.
"Oh, you're still here ?" he said as he entered.

"I--what's up ?" He had come to a sudden halt close to his partner, and he now stood staring at him.