midnight
Their surgical operations ended , the two sought some place where they might rest , and learn from each other the causes of the captivity that brought about such an unexpected meeting . They seemed to be unguarded and left entirely to their own devices , but the moment they attempted to go beyond the noisy limits of the camp they were confronted by a rifle-bearing young warrior who sternly motioned them back . Being thus repulsed several times , they were finally compelled to sit under a tree , well within the confines of the camp and in view of all its busy occupants . Here Christie learned of Donald 's adventures since their midnight parting , and , while applauding his bravery , chided him for engaging in so dangerous an undertaking . `` If it had only been wholly successful , and left you at liberty , '' said Donald , `` I should feel amply repaid . '' `` And so it would have done , but for my own carelessness , '' replied Christie , who thereupon gave an account of the explosion , its effect on the savages , and the manner in which he had fallen into their hands , while his men escaped . `` I ca n't understand that mine business , though , '' he said , in conclusion , `` for I had no idea Indians were up to such things . ''