“How long will it take for them to find out what it is?”

“Not long. Chief Carter will see to that.”

At that very moment a white-uniformed interne came out of the room, followed by Mr. Carter. They hurried off toward the laboratory. The door stood slightly ajar when Kitty and Brad came nearer. Kitty saw Hazel inside and motioned to her.

“May I come in now?” she whispered.

“He’s already sleeping. Perhaps you’d better not till we find out what it is.”

“Will it take long?”

“No, not with your father around to see that everything is speeded up.”

“Are you going to nurse him?”

“Yes, I’m glad to say. Your father asked for me.”

“I’m so thankful! Now I’ll know he has the best of care. Oh Hazel, I’ll never forgive myself if—if anything—”