two o'clock
`` I do n't know . But Mitchel and Miss Remsen are to be married at St. Patrick 's Cathedral at ten o'clock this morning . '' `` Not if I can stop it , '' replied the detective , and he hastened up to the church with the result told in the last chapter . Promptly at two o'clock Mr. Barnes presented himself at the Fifth Avenue Hotel accompanied by Mr. Neuilly . They were asked to go up to Mr. Mitchel 's apartments , and there they were greeted by that gentleman as affably as though they had been of his wedding party . Indeed he began the conversation in rather a jocular way , saying : `` Ah ! Mr. Barnes , delighted that now I can entertain you more at my leisure .