"But—you're supposed to be dead! Mathieson—"

A strange sound of irony came from Gaddon.

"Mathieson was right about the cosmic rays—I know that now. Look at me! You see what has happened to me? I sought immortality through the life energy of space—and look at me!"

Horror reflected in Fred's eyes in that moment. For he felt the pained terror in the voice of the animal shape before him. And he saw the claw-like hands clench spasmodically.

"My glands!" the voice screamed. "The cosmic rays reacted on them—fed the essence of the cat into them—changed me into this monstrous being!"

Trent stared at the rage-filled face. Felt the emotion that was sweeping through the creature. Felt a sudden compassion that was erased by the bestial look that came into the monster's eyes.

And then it turned toward the chair where Fenwick sat. The doctor was looking at the creature, his eyes wide and terrified.

"But what do you expect me to do for you, Gaddon? Why do you stand here threatening—" Fenwick's voice came hoarsely.

"Why? You fool! Because there is so little time! I am changing! Even now my human instincts are nearly gone!... You're a gland specialist! There is something you can do—stop this change—stop it!"

Fenwick shook his head slowly. "You're raving like a madman, Gaddon. I'm not a God—do you think I can change something that is beyond human understanding? If you'll only let me call in the authorities ..."