'The knowledge you have of your opponents' cards is too uncanny,' said Mrs. Crowley.

'I can tell a good deal from people's faces. You see, in Africa I have had a lot of experience; it's apparently so much easier for the native to lie than to tell the truth that you get into the habit of paying no attention to what he says, and a great deal to the way he looks.'

While Mrs. Crowley made herself comfortable in the chair, which she had already chosen as her favourite, Dick went over to the fire and stood in front of it in such a way as effectually to prevent the others from getting any of its heat.

'What made you first take to exploration?' asked Mrs. Crowley suddenly.

Alec gave her that slow, scrutinising look of his, and answered, with a smile:

'I don't know. I had nothing to do and plenty of money.'

'Not a bit of it,' interrupted Dick. 'A lunatic wanted to find out about some district that people had never been to, and it wouldn't have been any use to them if they had, because, if the natives didn't kill you, the climate made no bones about it. He came back crippled with fever, having failed in his attempt, and, after asserting that no one could get into the heart of Rofa's country and return alive, promptly gave up the ghost. So Alec immediately packed up his traps and made for the place.'

'I proved the man was wrong,' said Alec quietly. 'I became great friends with Rofa, and he wanted to marry my sister, only I hadn't one.'

'And if anyone said it was impossible to hop through Asia on one foot, you'd go and do it just to show it could be done,' retorted Dick 'You have a passion for doing things because they're difficult or dangerous, and, if they're downright impossible, you chortle with joy.'

'You make me really too melodramatic,' smiled Alec.