three o'clock
`` Have you the chloroform ? '' `` Yes , twice as much as we 'll need . '' `` When can we leave the train ? '' `` At three o'clock , at a town called Snapwood . We can get another train two hours later , -- on the northern route . '' All unconscious of being watched so closely , Maurice Vane and Joe rode to the depot and boarded the train when it came along . Joe had been looking for Caven and Malone , but without success .