all arrayed against my darling! But how is he experimenting? The knowledge may help us to defeat him!”

“He has all along, since his coming, been trying his power, slowly but surely. That big child-brain of his is working. Well for us, it is as yet, a child-brain. For had he dared, at the first, to attempt certain things he would long ago have been beyond our power. However, he means to succeed, and a man who has centuries before him can afford to wait and to go slow. Festina lente may well be his motto.”

“I fail to understand,” said Harker wearily. “Oh, do be more plain to me! Perhaps grief and trouble are dulling my brain.”

The Professor laid his hand tenderly on his shoulder as he spoke, “Ah, my child, I