seven o'clock
Three children and a bath-towel tugged one way , and Bobby Craven 's expectant face the other . Marion 's threatened wrath tipped up the balance . `` The children will have to go to bed a little later to-night , that 's all , '' thought Lesbia hastily , as the music began again and Bobby offered his arm . At seven o'clock , however , her conscience smote her . She refused any more offers of partners and was in a panic to get away . `` Why , my dear , '' said Mrs. Morwood , passing through the hall where Lesbia was hastily changing her shoes . `` You 're surely not leaving us ?