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.

"Fetch him some water," directed Professor Zepplin.

"No, no, no, señor," protested Juan, gesticulating protestingly.

"What do you want?"

"Guess he wants something stronger than water," suggested Ned.

"Si, si, si," agreed the guide, showing his white teeth in an approving grin.

"You won't get anything stronger than that in this outfit, unless you cook yourself some coffee," muttered Tad.