eleven o’clock
Consequently , the removal of the goods must have been effected by means of the secret passage . Yet , there were no indications of footsteps on the floor , nor any unusual marks upon the walls . Their investigations revealed , however , one curious fact that denoted the whimsical character of Arsène Lupin : the famous Chronique of the sixteenth century had been restored to its accustomed place in the library and , beside it , there was a similar book , which was none other than the volume stolen from the National Library . At eleven o'clock the military officers arrived . Devanne welcomed them with his usual gayety ; for , no matter how much chagrin he might suffer from the loss of his artistic treasures , his great wealth enabled him to bear his loss philosophically . His guests , Monsieur and Madame d'Androl and Miss Nelly , were introduced ; and it was then noticed that one of the expected guests had not arrived . It was Horace Velmont .