"'Eliminating the toxic poisons of all kinds?'
"'If you like.'
"'I doubt it.' said Crawfurd, with a little hesitation.
"'And I deny it,' interrupted Estes, rudely, and stared straight at Balencourt. A quick glance answered his challenge; it was like the engaging of rapiers.
"'Perhaps Mr. Estes desires proof,' said Balencourt, slowly.
"'I do.'
"'Let us say between—'
"'To-night and the 1st of August.'
"'That will suit me perfectly. My passage is booked on the Teutoninc for the following Wednesday.'
"'It is also the day set for my wedding to Miss Catherwood,' said Estes, quietly.