They found Joto outside the structure, supervising the practice of the mattork crew, who used empty bullets and gas clips but went through the motions of loading, aiming and firing with surprising speed and precision, while four units of a hundred men each were being drilled by their officers. He turned and raised his visor with a welcoming salute as Grandon and the others approached.
“I see that you have considerable military genius,” said Grandon.
“Having trained men in the art of warfare for some time I should be proficient,” said Joto. “However, I bow to you as a superior strategist. The attack you planned against the brown-mouthed sabits was marvelously conceived and executed. We await your orders.”
“How many sabits do you expect will attack us?”
“Twenty thousand, at the very least. Every community is sending no less than a hundred, and there are more than two hundred communities.”
“Twenty thousand sabits,” mused Grandon. “Enough to sweep us away bodily, and these buildings with us.”
“Easily.”
“With four hundred and fifty men it will be impossible to guard both communities, or even all the buildings of one community. Have the brown-mouthed sabit rulers brought to the central building of this community, and there kept with the rulers of the white community. Withdraw our guards from all other buildings, and block all the runways with stones except the one which leads here from the central building.”
“Then we may as well kill all of our sabit slaves at once,” said Joto, “for the attackers will surely kill them.”
“Why should they war on their own kind,” asked Grandon “when it is their purpose to rescue them?”
“Their purpose is not altruistic, but protective only. As our slaves, the brown-mouthed and the white sabits are enemies of their kind. Moreover, they will fight to protect their rulers, their eggs and their fantas.”
“Why not let them fight?” asked Vernia. “They should account for a few of the attackers.”
“Right,” exclaimed Grandon. “Leave them to guard the brown-mouthed community and the three outer structures of this one. No doubt they will all be killed in the first charge, but it is probable they will account for an equal number of enemies.”
Joto sent a messenger to order the brown-mouthed rulers brought to new quarters, as directed by Grandon. It was decided that a hundred men should be posted in the central building, with one mattork placed on the roof. The other two mattorks would command the battlefield from a place on the roof of the men’s sleeping quarters.
The stores of dried fungi from both communities were removed from their storage rooms and carried to the subterranean chambers, as were also hundreds of sacks of the sticky food. While Joto supervised this work, Grandon took Oro and a crew of twenty-five men to examine the engines of war in the ancient armory of the Albines, which Oro had discovered while exploring the underground passageways.
The huge subterranean armory, next to the throne room, was the largest excavation in the entire system. Its floor level was considerably below that of the passageways and its ceiling was higher and dome-shaped. Though the floor was of hard granite; the walls and ceilings were as elaborately decorated as those of the fountain room, the reliefs being almost exclusively battle scenes between Albines and sabits, and in many cases showing in operation engines of war similar to those which stood about on the floor.
Grandon examined the heavy, death-dealing instruments. Most of them were better for attack on the sabit dwellings than for defense.
There were catapults that hurled huge stones or fired long, heavy, metal- tipped missiles which acted as battering rams. There were instruments apparently adapted to the spraying of poisonous liquids, though no ammunition for them could be found.
Among the devices which required considerable mechanical ingenuity were queer three-wheeled carts built in the shape of hollow triangles, the outside edges of which were protected by curved blades and spiked clubs that whirled rapidly when the machines were pushed forward by men running inside. A small group of men operating on level ground might cut a path through an entire sabit army with one of these machines.
Having sent Oro and his men to Joto with six of the carts, Grandon was examining the brown metal spring of one of the catapults when his attention was attracted by a curiously wrought cabinet standing against the wall. What he at first took to be narrow sliding drawers proved to be thin flat slabs of stone on which designs had been scratched with some sharp instrument. The topmost slab was covered with a carefully drafted design of an Albine catapult. The next illustrated the construction and working principles of the spraying machines.
As he pulled out slab after slab he found plans for the construction of practically all the machines he had seen, but the bottom slab consisted of two snaps side by side, the general shape of both being identical, but the details different.
He recognized one as a map of the valley surface, the other as a plan of the underground passageways and chambers of the Albines.
A careful scrutiny of the surface map revealed only the solid, unbroken cliffs in oval formation, so he concluded that the tunnel mentioned by the marsh-men must not have been known to the Albines. Turning from this to the underground map, he noticed a discrepancy that had previously escaped his observation, for in the first map the river began at the western end of the valley and wound its way south of the center to the point where it ended in a whirlpool; while in the second it began in the northwest and flowed for some distance north of the center, apparently going directly through the point where the other map showed the whirlpool, and flowing thence on through the cliffs to the east.
Grandon had seen enough of the valley to know that but one river flowed through it. Obviously it was an underground rived Furthermore, it could not have been mapped unless navigable, in which case it offered a means of escape from the valley.
He noticed that at one point the river appeared to touch the end of the chamber he was in, but there seemed to be no mode of exit other than the door which he had entered. He walked back and forth along the walls searching for a concealed door.
When about to give up his seemingly hopeless quest he arrived at a certain point where his attention was attracted by a gentle murmuring as of distant waters. Pausing, he listened breathlessly, and noticed that the sound seemed to emanate from the figure of an armed warrior which was chiseled in bold relief on the wall before him.
A careful search revealed a small lever behind the right elbow, and on pulling this a section of the wall four feet wide and higher than a man moved toward him, revealing a flat platform and a flight of steps beyond. The sound of roaring water was now plainly audible.
Grandon stepped on the platform and, finding it firm, held his torch aloft and descended the steps. After traveling for a considerable distance he reached a level floor of stone and a moment later cane upon a great stone dock on which, as far as his torchlight carried in both directions, reposed a fleet of metal boats. Each was about fifty feet in length and built in the form of those huge amphibious reptiles such as he had rescued Vernia from, back in Reabon. The prow ended in the arched serpentine neck and head, while the stern terminated in the flat, pointed tail. Behind these grotesque craft he could see the black, foam-flecked water rushing headlong beneath stalactite-festooned subterranean arches.
He examined one of the boats. It was constructed of brown metal similar to that from which the Albines made their weapons and armor, and appeared quite strong and seaworthy. The deck was completely arched over with the same material, fashioned in imitation of reptilian scales, except at the front and rear where there were oval holes provided with hinged metal lids.
Upon entering the forward hole he found a roomy interior all of metal, and saw that the hull was rigidly ribbed and braced. Twenty large metal paddles lay on the floor and there were twenty seats for paddlers, ten on each side, while metal hoods projected outward almost to the water