four o'clock
The adjutant glanced quickly up , -- a warning glance as he could have seen , -- merely shook his head , and went rapidly on , while his comrade , the cadet first captain , clinched his fist at the window and growled between his set teeth , `` Be quiet , you idiot ! '' But poor Billy persisted . Louder yet he called , -- `` Well -- say -- Jimmy ! Come up here after four o'clock . I 'll be in confinement , and ca n't come out . Want to see you . '' And the windows over at the office of the commandant being wide open , and that official being seated there in consultation with three or four of his assistants , and as Mr. McKay 's voice was as well known to them as to the corps , there was no alternative .