about ten
o'clock
`` My dear Irene , '' she said , `` I hope you will not allow that stupid dispute of yesterday to worry you into sleepless nights . '' `` But I have slept -- quite a long time , '' was the girl 's smiling disclaimer . `` Well , now -- let us consider . Mr. Royson left the camp about ten o'clock . A young lady who shall be nameless said good-bye to him half an hour later -- '' `` You saw me ? '' Irene flushed scarlet . `` No , indeed .