She touched a spring, and the front hinged back. There was a portrait within of a man, strikingly handsome and intelligent, but bearing unmistakable signs upon his features of his African descent.

‘That is John Hebron, of Atlanta,’ said the lady, ‘and a nobler man never walked the earth. I cut myself off from my race in order to wed him; but never once while he lived did I for one instant regret it. It was our misfortune that our only child took after his people rather than mine. It is often so in such matches, and little Lucy is darker far than ever her father was. But, dark or fair, she is my own dear little girlie, and her mother’s pet.’ The little creature ran across at the words and nestled up against the lady’s dress.

‘When I left her in America,’ she continued, ‘it was only because her health was weak, and the change might have done her harm. She was given to the care of a faithful Scotchwoman who had once been our servant. Never for an instant did I dream of disowning her as my child. But when chance threw you in my way, Jack, and I learned to love you, I feared to tell you about my child. God forgive me, I feared that I should lose you, and I had not the courage to tell you. I had to choose between you, and in my weakness I turned away from my own little girl. For three years I have kept her existence a secret from you, but I heard from the nurse, and I knew that all was well with her. At last, however, there came an overwhelming desire to see the child once more. I struggled against it, but in vain. Though I knew the danger I determined to have the child over, if it were but for a few weeks. I sent a hundred pounds to the nurse, and I gave her instructions about this cottage, so that she might come as a neighbour without my appearing to be in any way connected with her. I pushed my precautions so far as to order her to keep the child in the house during the daytime, and to cover up her little face and hands, so that even those who might see her at the window should not gossip about there being a black child in the neighbourhood. If I had been less cautious I might have been more wise, but I was half crazy with fear lest you should learn the truth.

‘It was you who told me first that the cottage was occupied. I should have waited for the morning, but I could not sleep for excitement, and so at last I slipped out, knowing how difficult it is to awaken you. But you saw me go, and that was the beginning of my troubles. Next day you had my secret at your mercy, but you nobly refrained from pursuing your advantage. Three days later, however, the nurse and child only just escaped from the back door as you rushed in at the front one. And now to-night you at last know all, and I ask you what is to become of us, my child and me?’ She clasped her hands and waited for an answer.

It was a long two minutes before Grant Munro broke the silence, and when his answer came it was one of which I love to think. He lifted the little child, kissed her, and then, still carrying her, he held his other hand out to his wife, and turned towards the door.

‘We can talk it over more comfortably at home,’ said he. ‘I am not a very good man, Effie, but I think that I am a better one than you have given me credit for being.’

Holmes and I followed them down to the lane, and my friend plucked at my sleeve as we came out. ‘I think,’ said he, ‘that we shall be of more use in London than in Norbury.’

Not another word did he say of the case until late that night when he was turning away, with his lighted candle, for his bedroom.

‘Watson,’ said he, ‘if it should ever strike you that I am getting a little over-confident in my powers, or giving less pains to a case than it deserves, kindly whisper “Norbury” in my ear, and I shall be infinitely obliged to you.’