'What do you think of all this?' Hamilton asked. 'Do you think there is anything in it?'

'Yes, I'm sure there is. That's a very clever girl, Miss Paulo——'

'Yes, she's very clever,' Hamilton said in an embarrassed sort of way—'a very clever girl, a splendid girl. But we haven't much to go on, have we? She can only suspect that this fellow knows Spanish—she can't be quite sure of it.'

'Many a pretty plot has been found out with no better evidence to start the discovery. The end of a clue is often the almost invisible tail of a piece of string. But we have other evidence too.'

'Out with it!' Hamilton said impatiently. In all his various anxieties he was conscious of one strong anxiety—that Dolores might be justified in her conjecture and proved not to have made a wild mistake.

'I got a telegram from across the Atlantic to-night,' Sarrasin said, 'that time in the dining-room.'

'Yes—well—I saw you had got something.'

'It came from Denver City.'

'Oh!'

'The home of Professor Flick. See?'