explosion, and if Noriega represented a strong faction in the government, that faction might think it worth while to let something happen to him and blame it on the communists. But the hottest potato of all would be whatever he learned at the spot of the explosion. He could imagine all sorts of fabulous things. So would others, and some of them would go to considerable lengths to know. An instrument, dangled at the end of a line, showed no bad radiation, so Craig said they could land. When he stood on the plateau the tunnel mouths seemed like converging black stares. Nevertheless he itched to explore. Impatiently, he led the unloading and stacking of his equipment. When that was done the group stood for a minute, evidently all feeling the awe Craig did. Dientes was first to break the silence, muttering something under his breath. Brulieres fixed the Indian with a look that was not entirely severe. "Christian prayers, hijo, if you please." He turned to Craig. "What can be learned where we stand?" "I should be able to determine the type of explosion. I will have to take rock samples, and set up some apparatus." "How long will that require?" "Less than an hour, with luck." Brulieres was thoughtful for a while. "In that case, I believe we shall begin reconnoitering the tunnels while you work. But first, let us hear from our expert in demonology." Dientes squirmed guiltily in his mountain clothing. "I know only what the old tales say, Padre." "Tell us, if you please. We will decide later whether you have been guilty of paganismo." "Si, Padre. This place is the home of the Fire Devils. There is no question of the fact. It is precisely as described when I was a small boy sitting at the feet of los viejos." "Well, then. What manner of devils were they?" "Creatures of fire, Padre, such that the eye could not behold without being blinded. Brighter than the sun." "Did they make war upon your people?"