The packet contained the second key of Vault 39.

'But this'll be no use till to-morrow,' was the patrol's comment, 'and by then—'


CHAPTER XIII

MR. GALPIN

When the patrol and Simon between them had explained the mysterious and fatal situation to Mr. Jack Galpin, Mr. Jack Galpin leaned against one of the marble tables in the waiting-room, and roared with laughter.

'Well,' observed Mr. Galpin, 'he didn't have his Safe Deposit built for nothing, anyhow!'

And he laughed again.

'But he's slowly dying in there!' said Simon.

'Yes, I know,' said Mr. Galpin. 'That's what makes it such a good joke.'