midnight
`` You 're right . I 'll hurry back and make his acquaintance . '' He held out his hand to his cousin , avoiding her disappointed eyes . Undine , on entering her bedroom late that evening , was startled by the presence of a muffled figure which revealed itself , through the dimness , as the ungirded midnight outline of Mrs. Spragg . `` MOTHER ? What on earth -- ? '' the girl exclaimed , as Mrs. Spragg pressed the electric button and flooded the room with light .