Then Dora's health failed. She grew weak and languid--irritable at times--as unlike the smiling, blushing girl Ronald had met at Earlescourt gardens as it was possible for her to be. He wrote to tell his mother that at length there was hope of an heir to their ancient house. He was very kind and patient to his ailing, delicate wife, giving up parties and soirees to sit with her, but never able to guess why Dora's dark eyes looked so strangely upon him. Lady Charteris had planned an excursion to some picturesque ruin that had pleased her daughter, who wished to make a sketch of it. Ronald was asked to join them, and he had been looking forward for many days to a few pleasant hours away from all care and anxiety--out in the beautiful country with Valentine. But when the morning came Dora looked pale and ill. She did not ask him to stay with her, but he read the wish in her face. "I will not go, Dora," said her husband; "I will not leave you. I shall send a note of excuse to Lady Charteris, and take care of you all day." "Is Miss Charteris going?" she asked, quietly. "Yes, and several others," he replied. "Then never mind me," said Dora; "do not give up a day's pleasure for me." Ronald might have guessed there was something wrong from the tone of her voice, but Ronald was not of a suspicious nature. "Now, Dora," he said, gently, "you know I would give up every pleasure in the world for you." He bent over her, and kissed her pale little face. Time had been when the simple heart would have thrilled with happiness at his words; but Dora grew cold and hard. "It used to be always so," she thought, "before she came with her beauty and took him from me." How much misery would have been averted had she told Ronald of her jealous thoughts and fears! He never suspected them. When he returned home, looking bright and happy, she would ask him, "Have you seen Miss Charteris today?" and he, glad of her interest in his friends, would reply that he had been to her mother's house, and tell her of music he had heard or people he had met, or of Valentine's messages to her. So Dora fed the dark, bitter jealousy that had crept into her heart. It was a proud but anxious day for Ronald when he wrote to tell his mother that he was now the father of little twin daughters, two pretty, fair babies, in place of the long looked-for heir of Earlescourt. Lady Charteris was very kind to the lonely young mother--so kind that, had she borne any other name, Dora must have loved her. A glimpse of the old happiness came back, for Ronald was proud and pleased with the little twin sisters. One bright morning, when Dora had been taken down into the pretty room where the infants lay sleeping, Lady Charteris and her daughter came in. Ronald joined them and there was a long discussion as to the names.