I must say I do, too, Mr.Denzil," ended the lady, with a fascinating glance.
"What is his name, Miss Greeb ?" repeated Lucian, quite impervious to the hint.
"Let me see," said Miss Greeb, discomfited at the result of her failure.
"A queer name that had to do with payments.

Bill as the short for William.

No, it wasn't that, although it does suggest an account.
Quarterday?
No.

But it had something to do with quarter-days.

Rent!" finished Miss Greeb triumphantly.