four o'clock
No trace since . You have my letter of 8th instant . Cable instructions . '' As the Mainwaring carriage appeared at the offices at four o'clock , to convey the gentlemen to Fair Oaks , Mr. Whitney was surprised to find the secretary still engaged at his desk . `` If you will excuse me , '' the latter said , pleasantly , `` I will not go out to Fair Oaks this evening . I have some unfinished work here , and I will remain in the city to-night . '' Upon entering the offices the next day , however , the attorney found the following note addressed to himself : `` Mr. WHITNEY .