He wrote again, in an unoffended business like tone, suggesting that he had better draw at three days.

A short answer came to this, simply saying that money was very tight in Wall street just then, and that he had better join the engineer corps as soon as he could.
But the bill had to be paid, and Harry took it to Philip, and asked him if he thought he hadn't better draw on his uncle.

Philip had not much faith in Harry's power of "drawing," and told him that he would pay the bill himself.

Whereupon Harry dismissed the matter then and thereafter from his thoughts, and, like a light-hearted good fellow as he was, gave himself no more trouble about his board-bills.

Philip paid them, swollen as they were with a monstrous list of extras; but he seriously counted the diminishing bulk of his own hoard, which was all the money he had in the world.