ten
o'clock
`` But that would now be worse than a waste of time . Gibraltar , quaint Moorish city that it is , is so full of holes in the wall that it would be impossible to find the thief , for he will not venture out again to-night . The best thing I can do will be to go straight to the American admiral , and you gentlemen , I imagine , can take me there . '' `` A launch will put off from the mole for the flagship at ten o'clock , '' Dave informed him . `` We may as well go down to the mole and wait . '' Twice , on the way , after leaving the more crowded parts of the city behind , the three were challenged by English sentries invisible in the darkness . `` Who goes there ? ''