midnight
`` Well , '' he assented , `` we can go right back -- afterwards . '' `` Yes , '' she whispered . `` Well , sir , good morning , '' said the old man to Halleck , `` we are getting along , sir . At this rate , unless our calculations were mistaken , we shall be there by midnight . We are on time , the porter tells me . '' `` Yes , we shall soon be at Pittsburg , '' said Halleck , and he looked at Marcia , who turned away her face . She had not spoken of the object of the journey to him since they had left Boston , and it had not been so nearly touched by either of them before .