what new disaster had overtaken the lazy Mexican.

"Here, here, here, what's the trouble now?" He demanded sternly. "Stop
that howling!"

"Chunky's been prescribing for your patient in your absence," Ned
informed him.

The Professor grabbed the wild guide by the collar, giving him a
vigorous shake. When he released his grip, Juan sank to the ground in
a heap, moaning weakly.

"What's that you say? Stacy prescribed--"

"I-- I let him smell of the bottle," explained Stacy guiltily.

"What bottle?"

Stacy slowly picked up the offending bottle and handed it to the
Professor.

"Ammonia! Boy, you might have put his eyes out! Never let this occur
again. Remember, you are not to touch the medicines under any
circumstances whatever!"

"Yes, sir," agreed Chunky meekly, while Ned Rector strolled away,
shaking with laughter.

"Drink," begged the patient.