On this second trip to the mysterious house we had discovered another apartment containing a very large number of the metallic boxes, filled with compressed food.

"By Jove, it is a storehouse," said Colonel Smith. "We must get more force and carry it all off. Gracious, but this is a lucky night. We can reprovision the whole fleet from this room."

"I thought it singular," I said, "that with the exception of the girl whom we have rescued no women were seen in the house. Evidently the lights over yonder indicate the location of a considerable town, and it is quite probable that this building, without windows, and so strongly constructed, is the common storehouse, where the provisions for the town are kept. The fellows we killed must have been the watchmen in charge of the storehouse, and they were treating themselves to a little music from the slave girl when we happened to come upon them."

With the utmost haste several of the other electrical ships, waiting above the cloud curtain, were summoned to descend, and, with more than a hundred men, we returned to the building, and this time almost entirely exhausted its stores, each man carrying as much as he could stagger under.

Fortunately our proceedings had been conducted without much noise, and the storehouse being situated at a considerable distance from other buildings, none of the Martians, except those who would never tell the story, had known of our arrival or of our doings on the planet.

"Now, we'll return and surprise Edison with the news," said Colonel Smith.

Our ship was the last to pass up through the clouds, and it was a strange sight to watch the others as one after another they rose toward the great dome, entered it, though from below it resembled a solid vault of grayish-pink marble, and disappeared.

We quickly followed them, and having penetrated the enormous curtain, were considerably surprised on emerging at the other side to find that the sun was shining brilliantly upon us. It will be remembered that it was night on this side of Mars when we went down, but our adventure had occupied several hours, and now Mars had so turned upon its axis that the portion of its surface over which we were had come around into the sunlight.

We knew that the squadron which we had left besieging the Lake of the Sun must also have been carried around in a similar manner, passing into the night while the side of the planet where we were was emerging into day.

Our shortest way back would be by traveling westward, because then we should be moving in a direction opposite to that in which the planet rotated, and the main squadron, sharing that rotation, would be continually moving in our direction.