‘Good-bye,’ said Lady Wyse to Sir Peter. ‘I suppose you’ll stop the Expedition now?’

‘Stop the Expedition? Why?’

‘Great heavens! Then you haven’t guessed the secret after all?’

The Biologist stared at her with wild eyes for several seconds, then suddenly twirled and fell like a sack on the floor. When they had bathed him back to his senses at last, he sat up on his hands and said:

‘Prince Dwala must blow his brains out!’

Lady Wyse rang laughter like a bell.

‘Why?’ asked Dwala, greatly interested.

‘Any English gentleman would.’

‘I forbid it!’ said Lady Wyse.

‘Why?’