He was so absorbed in these thoughts that he did not hear Mr. Bartley
come to him; to be sure, he came softly, because of the other clerk, who
was washing his hands and brushing his hair in the lobby.

So Bartley's hand, fell gently, but all in a moment, on Monckton's
shoulder, and they say the shoulder is a sensitive part in conscious
rogues. Anyway, Monckton started violently, and turned from pale to
white, and instinctively clapped both hands over his betting book.

"Monckton," said his employer, gravely, "I have made a very ugly
discovery."

Monckton began to shiver.

"Periodical errors in the balances, and the errors always against me."

Monckton began to perspire. Not knowing what to say, he faltered, and at
last stammered out, "Are you sure, sir?"

"Quite sure. I have long seen reason to suspect it, so last night I went
through all the books, and now I am sure. Whoever the villain is, I will
send him to prison if I can only catch him."

Monckton winced and turned his head away, debating in his mind whether he
should affect indignation and sympathy, and pretend to court inquiry, or
should wait till lunch-time, and then empty the cash-box and bolt.

Whilst thus debating, these words fell unexpectedly on his ear: