about midnight
`` Where ? '' `` On the stone terrace . '' `` How do you know ? '' `` He returned this afternoon ; he sent for me ; he told me to tell her to meet him there to-night , about midnight . She did not think you would return before two or three -- Oh , for pity 's sake -- '' `` I 'll have their hearts ' blood ! '' he thundered , with an awful oath . The horrible voice , the horrible oath , was like nothing earthly .