He shot a quick glance at Betty; she was looking at him unconcernedly.

He counted the bills; there were ten one hundred dollar gold certificates.
"What's this for ?" he demanded.
"Read the letter," she directed.
He unfolded the paper.

It read: "MY DEAR SON: The money in this envelope is to be used by you in buying material to be used to repair the ranchhouse.

I have prepared an itemized list of the necessary materials, which Betty will give you.
Your acceptance of the task imposed on you will indicate that you intend to fulfill my wishes.

It will also mean that you seriously contemplate an attempt at reform.