side. Suddenly I tripped over an unexpected single stair, and nearly fell. Rosa, however, had allowed for it.

“I didn’t see that step,” I said.

“Nor I,” she answered, “but I knew, somehow, that it was there. It is very strange and uncanny, and I shall insist on an explanation from Alresca.” She gave a forced laugh.

As I fumbled with the handle of the door she took hold of my hand.

“Listen!” she said excitedly, “this will be a small room, and over the mantelpiece is a little round picture of a dog.”

I opened the door with something akin to a thrill. This part of the house was unfamiliar to me. The room was certainly a