'It's the governor's private drawer,' said Simon. 'I've never--'

'Stuff!' Lily exclaimed, and she opened the drawer and drew out the
topmost letter.

It was on blue paper.

'Yes, that's it,' said Simon. 'The envelope was blue, I remember.'

'He must be in the Safe Deposit,' said Lily, perusing the letter with
flying glance.

And Simon, at length sufficiently emboldened, seized the letter and
read:

'SIR,

'Mr. Polycarp has just been here, and accidentally left behind him
keys of his vault, including safe of late Mr. Francis Tudor, etc.
In these peculiar circumstances I shall be glad to know what I am to
do.

'Yours respectfully,

'H. BROWN,

'Head Guardian,

'Hugo's Safe Deposit.'