"I'm sure you won't mind my asking if your business with my husband is so very important?" she began in a low, tremulous voice. "You see—" She stopped and turned at what seemed to be the sound of footfalls on the stairs. There was a look of terror in her eyes.

"It isn't," I interrupted. "I've merely called, at my brother's request, to ask Dr. LaRauche for the return of Professor Lowell's book on Mars which he borrowed more than two years ago."

She looked greatly relieved. "I'm so glad," she breathed. "Rene goes into a perfect rage if he's interrupted. He's been very upset all morning, but still continues at his work. What he's working on, I haven't the slightest idea."

"Probably working on that rocket to the moon idea," I suggested, smiling.

"Completely mysterious to me," she rejoined.

"You've heard, of course, of my brother's latest discovery?" I ventured.

"No," she replied. "I've heard nothing. My mind has been occupied all morning wondering what's brought Orkins back to us. I've always disliked and distrusted him intensely."

Not feeling free to explain the circumstances, or cloud, under which Orkins had left our household, I glanced out the window. "Your house is in a very lonely location," I observed. "I hope you do not go out much alone. You seem to have some queer animals roaming about. I was chased by a grizzly bear as I walked through your grounds."

Mrs. LaRauche shuddered. "Oh, that terrible beast!" she muttered. "I never go out at night by myself on account of that bear. He's not vicious at all, really a pet, but it's frightening to run into him. Often I hear him, in the dead of night, clawing at our doors, whimpering and growling, and trying to get in."

"Who owns the animal?" I inquired.