seven o'clock
As they were leaving the field to go to the training shed Gertrude Wells hurried toward them . `` Miss Harlowe , '' she called , `` please wait a minute . '' Grace paused obediently while Miriam and Anne walked on ahead . `` Will you and your friends , Miss Nesbit , Miss Briggs and Miss Pierson , come over to Morton Hall to-night at half-past seven o'clock . I have invited a number of my freshmen friends , and I 'd love to have you come , too . It 's Saturday night you know , so you wo n't have to worry about recitations to-morrow . '' `` Thank you , '' replied Grace .