about midnight
`` What 's this special , Joe ? '' The other 's feet stumped on the stairs again . `` Forgot , '' he said as his head came through the trap . `` Some big-wigs coming through on a special train along about midnight . Division headquarters got nothing definite yet , but figure we 'll have to get her past thirty-three somewheres on this stretch . So keep awake . '' Tolliver with an increasing anxiety continued to examine the yellow slips .