He fancied, as he sat at his desk, that nothing would be done for a week or two.

Meanwhile, he would have time to think.
This process of THINKING began by a reversion to Carrie and the arrangement by which he was to get her away from Drouet.

How about that now?
His pain at her failure to meet or write him rapidly increased as he devoted himself to this subject.

He decided to write her care of the West Side Post-office and ask for an explanation, as well as to have her meet him.

The thought that this letter would probably not reach her until Monday chafed him exceedingly.