'Lady Constantine?' he asked softly. 'Yes,' she said, in her excitement holding out both her hands, though he had plainly not expected her to offer one. 'Did you watch the star?' 'I'll tell you everything in detail; but, pray, your errand first!' 'Yes, it's all right. Did you watch every night, not missing one?' 'I forgot to go--twice,' she murmured contritely. 'Oh, Lady Constantine!' he cried in dismay. 'How could you serve me so! what shall I do?' 'Please forgive me! Indeed, I could not help it. I had watched and watched, and nothing happened; and somehow my vigilance relaxed when I found nothing was likely to take place in the star.' 'But the very circumstance of it not having happened, made it all the more likely every day.' 'Have you--seen--' she began imploringly. Swithin sighed, lowered his thoughts to sublunary things, and told briefly the story of his journey. Sir Blount Constantine was not in London at the address which had been anonymously sent her. It was a mistake of identity. The person who had been seen there Swithin had sought out. He resembled Sir Blount strongly; but he was a stranger. 'How can I reward you!' she exclaimed, when he had done. 'In no way but by giving me your good wishes in what I am going to tell you on my own account.' He spoke in tones of mysterious exultation. 'This parcel is going to make my fame!' 'What is it?' 'A huge object-glass for the great telescope I am so busy about! Such a magnificent aid to science has never entered this county before, you may depend.' He produced from under his arm the carefully cuddled-up package, which was in shape a round flat disk, like a dinner-plate, tied in paper. Proceeding to explain his plans to her more fully, he walked with her towards the door by which she had emerged. It was a little side wicket through a wall dividing the open park from the garden terraces. Here for a moment he placed his valise