ten o’clock at night
`` Here is an advertisement which will interest you , '' said he . `` It appeared in all the papers about a year ago . Listen to this : ` Lost , on the 9th inst. , Mr. Jeremiah Hayling , aged twenty-six , a hydraulic engineer . Left his lodgings at ten o'clock at night , and has not been heard of since . Was dressed in , ' etc. , etc. . Ha ! That represents the last time that the colonel needed to have his machine overhauled , I fancy . ''