seven o'clock
At the foot of the hill he began calling `` Mammy ! '' and kept it up until he reached the door . By that time , he was so out of breath that he could only gasp his message . Sheba was expected to be at Rosehaven at seven o'clock , and John Jay was to take part in the performance on the lawn . It took a great deal of cross-questioning before Mammy fully understood the arrangement . She could readily see that her services might be desired in the kitchen , but it puzzled her to know what anybody could want of John Jay . She shook her head a great many times before she finally promised that he might go .