There can be little doubt that it was intended to cast away the yacht as Mrs. Selborne had explained to me, and to drown those who were not meant to share in the spoil, but who knew too much to be allowed to go free. I should certainly have been amongst the missing, and young Squires, too, probably.

I shall always remember this case because—no, Zena and I did not quarrel exactly, but she was very much annoyed about Mrs. Selborne.

CHAPTER XV

THE SOLUTION OF THE GRANGE PARK MYSTERY

I really had some difficulty in convincing Zena that I had not fallen in love with Mrs. Selborne, and Quarles seemed to think it humorous to also express doubt on the subject. The professor is unconsciously humorous on occasion, but when he tries to be funny he only succeeds in being pathetic.

I got so tired of his humor one evening that I left Chelsea much earlier than usual, telling Zena that I should not come again until I heard from her that she was ready to go and choose furniture, I heard next day.

We were to be married in two months' time and had taken a house near Grange Park, and I have always thought it curious that my first introduction to the neighborhood, so to speak, should be as a detective, and not in the role of a newly married man.

It happened in this way.

Just before two o'clock one morning Constable Poulton turned into Rose
Avenue, Grange Park. He was passing Clarence Lodge, the residence of Mrs.
Crosland, when the front door opened suddenly and a girl came running
down the drive, calling to him.

"The burglars," she said, "and I am afraid my brother hay shot one of them."