What two topics dominate the conversation at the Reform Club?

One topic was a robbery thatt had taken place three days before.

The affair which formed its subject, and which was town talk, had occurred three days before at the Bank of England. A package of banknotes, to the value of fifty-five thousand pounds, had been taken from the principal cashier's table, that functionary being at the moment engaged in registering the receipt of three shillings and sixpence.

The second conversation concerns the theory that the world has grown smaller.

But the incredulous Stuart was not convinced, and when the hand was finished, said eagerly: "You have a strange way, Ralph, of proving that the world has grown smaller. So, because you can go round it in three months--"