There were numerous men, women and children thronging the narrow streets of the village, gazing up at the airship and betraying the most intense excitement.

As soon as Zamora saw the castle, he said:

“There’s the place where my child is confined.”

“I’m going down and try to get him,” Frank replied.

“Now?” asked the Mexican, in surprise and delight.

“Yes, now; tell the boys to arm themselves.”

Zamora hastened out and Frank stopped the propellers, whereupon the Jove began to settle down.

As she was going down, Frank caught view of several men at a swivel gun in one of the forts.

They were aiming the piece at the airship.

Frank rapidly made up his mind to drop a hand grenade down upon the gun to destroy it.