Josephus Baxter glared about with wild eyes, but between them
Tom and Mrs. Baggert managed to get him to drink the mixture.

"Bah! It's as bad as some of my chemicals!" spluttered the
chemist, as he handed back the glass. "You are sure you'll have
my formulae in the morning?" he asked, as he turned to go back to
his room.

"I'll do my best," declared Tom cheerfully. "Now please lie
down."

Which, after some urging, Mr. Baxter consented to do. Eradicate
wanted to lie down in the hall outside the excited chemist's door
to guard against his emerging again, but Tom decided on Koku. The
giant, though not as intelligent as the colored man, was more
efficient in an emergency because of his great strength.
Eradicate was getting old, and there was a pathetic droop to his
figure as he shuffled off when Koku superseded him.

"Ah done guess Ah ain't wanted much mo'," muttered Rad sadly.

"Oh, yes, you are!" cried Tom, as, the excitement over, he
walked downstairs with Ned. "I'm going to start something new,
Rad, and I'll need your help."

"Will yo', really, Massa Tom?" exclaimed faithful Rad, his face
lighting up. "Dat's good! Is yo' goin' off after mo' diamonds, or
up to de caves of ice?"

"Not quite that," answered the young inventor, recalling the