The only fear they entertain of attack is from the green Martians or some demented red man, as all Barsoomians realize that the very existence of every form of life of Mars is dependent upon the uninterrupted working of this plant.

As we approached the palace I could see through the great windows of the first floor into the brilliantly illuminated audience chamber of Than Kosis. The immense hall was crowded with nobles and their women, as though some important function was in progress. There was not a guard in sight without the palace, due, I presume, to the fact that the city and palace walls were considered impregnable, and so I came close and peered within.