“I’ll see if I can find him,” offered Ned. “He’s probably up in his room, Jerry, crawling under the bed for a new kind of moth.”

“I’ll come with you,” offered Bob.

“Don’t let Chunky get into the kitchen!” warned Jerry, with a laugh. “Watch him, Ned!”

“I will!” chuckled Ned.

“Think you’re smart, don’t you?” exclaimed the fat lad indignantly. “What’s the idea?”

“You might want to stop and eat, and we’re late now,” teased Jerry. “Snap into it, boys!”

Bob, with an assumed air of patience over the banter to which he had to submit on account of his enormous appetite, followed Ned on a tour of investigation to find the missing scientist.

Before they could enter the house, however, there came a call from the kitchen—the voice of Katie, the maid, crying:

“Let it go! Don’t try to get it! Oh, Mrs. Hopkins! Mrs. Hopkins, this is terrible!”

“Jerry, something must have happened!” exclaimed his mother, who was standing near the car, saying a last good-by.