An hour later, the last cartridge, save several in Francis' automatic pistol, was gone; and to the irregular firing of the Caroos the pit replied with silence. Jose Mancheno was the first to guess the situation. He cautiously crept up to the edge of the pit to make sure, then signaled to the Caroos that the ammunition of the besieged was exhausted and to come on.
'Nicely trapped, senors,' he exulted down at the defenders, while from all around the rim laughter arose from the Caroos.
But the next moment the change that came over the situation was as astounding as a transformation scene in a pantomime. With wild cries of terror the Caroos were fleeing. Such was their disorder and haste that numbers of them dropped their muskets and machetes.
'Anyway, I'll get you, Senor Buzzard,' Francis pleasantly assured Mancheno, at the same time flourishing his pistol at him.
He leveled his weapon as Mancheno fled, but reconsidered and did not draw trigger.
'I've only three shots left,' he explained to Henry, half in apology. 'And in this country one can never tell when three shots will come in handiest, as I've found out, beyond a doubt, beyond a doubt.'
'Look!' the peon cried, pointing to his father and to the distant mountainside. 'That is why they ran away. They have learned the peril of the sacred things of Maya.'
The old priest, running over the knots of the tassel in an ecstasy that was almost trance-like, was gazing fixedly at the distant mountainside, from which, side by side and close together, two bright flashes of light were repeating themselves.
'Twin mirrors could do it in the hands of a man,' was Henry's comment.
'They are the eyes of Chia,' the peon repeated. 'It is so written in the knots as you have heard my father say. 'Wait in the foot-steps of the God till the eyes of Chia flash.''
The old man rose to his feet and wildly proclaimed: 'To find the treasure we must find the eyes!'
'All right, old top,' Henry soothed him, as, with his small traveler's compass he took the bearings of the flashes.
'He's got a compass inside his head,' Henry remarked an hour later of the old priest, who led on the foremost mule. 'I check him by the compass, and, no matter how the natural obstacles compel him to deviate, he comes back to the course as if he were himself a magnetic needle.'
Not since leaving the foot-step, had the flashings been visible. Only from that one spot, evidently, did the rugged landscape permit the seeing of them. Rugged the country was, broken into arroyos and cliffs, interspersed with forest patches and stretches of sand and of volcanic ash.
At last the way became impassable for their mounts, and Ricardo was left behind to keep charge of the mules and mule-peons and to make, a camp. The remainder of the party continued on, scaling the jungle-clad steep that blocked their way by hoisting themselves and one another up from root to root. The old Maya, still leading, was oblivious to Leoncia's presence.
Suddenly, half a mile farther on, he halted and shrank back as if stung by a viper. Francis laughed, and across the wild landscape came back a discordant, mocking echo. The last priest of the Mayas ran the knots hurriedly, picked out a particular string, ran its knots twice, and then announced:
'When the God laughs, beware! so say the knots.'
Fifteen minutes were lost ere Henry and Francis succeeded in only partly convincing him, by repeated trials of their voices, that the thing was an echo.
Half an hour later, they debouched on a series of abruptrolling sand-dunes. Again the old man shrank back. From the sand in which they strode, arose a clamor of noise. When they stood still, all was still. A single step, and all the sand about them became vocal.
'When the God laughs, beware!' the old Maya warned.
Drawing a circle in the sand with his finger, which shouted at him as he drew it, he sank down within it on his knees, and as his knees contacted on the sand arose a very screaming and trumpeting of sound. The peon joined his father inside the noisy circle, where, with his fore-finger, the old man was tracing screeching cabalistic figures and designs.
Leoncia was overcome, and clung both to Henry and Francis. Even Francis was perturbed.
'The echo was an echo,' he said. 'But here is no echo. I don't understand it. Frankly, it gets my goat.'
'Piffle!' Henry retorted, stirring the sand with his foot till it shouted again. 'It's the barking sand. On the island of Kauai, down in the Hawaiian Islands, I have been across similar barking sands quite a place for tourists,
I assure you. Only this is a better specimen, and much noisier. The scientists have a score of high-brow theories to account for the phenomenon. It occurs in several other places in the world, as I have heard. There's only one thing to do, and that is to follow the compass bearing which leads straight across. Such sands do bark, but they have never been known to bite.'
But the last of the priests could not be persuaded out of his circle, although they succeeded in disturbing him from his prayers long enough to spout a ilood of impassioned Maya speech.
'He says,' the son interpreted, 'that we are bent on such sacrilege that the very sands cry out against us. He will go no nearer to the dread abode of Chia. Nor will I. His father died there, as is well known amongst the Mayas. He says he will not die there. He says he is not old enough to die.'
'The miserable octogenarian!' Francis laughed, and was startled by the ghostly, mocking laugh of the echo, while all about them the sand-dunes bayed in chorus. 'Too youthful to die! How about you, Leoncia? Are you too young to die yet a while?'
'Say,' she smiled back, moving her foot slightly so as to bring a moan of reproach from the sand beneath it. 'On the contrary, I am too old to die just because the cliffs echo our laughter back at us and because the sandhills bark at us. Come, let us go on. We are very close to those flashings. Let the old man wait within his circle until we come back.'
She cast off their hands and stepped forward, and as they followed, all the dunes became inarticulate, while one, near to them, down the sides of which ran a slide of sand, rumbled and thundered. Fortunately for them, as they were soon to learn, Francis, at abandoning the mules, had equipped himself with a coil of thin, strong rope.
Once across the sands they encountered more echoes. On trials, they found their halloes distinctly repeated as often as six or eight times.
'Hell's bells,' said Henry. 'No wonder the natives fight shy of such a locality!'
Wasn't it Mark Twain who wrote about a man whose hobby was making a collection of echoes? 'Francis queried.
'Never heard of him. But this is certainly some fine collection of Maya echoes. They chose the region wisely for a hiding place. Undoubtedly it was always sacred, even before the Spaniards came. The old priests knew the natural causes of the mysteries, and passed them over to the herd as mystery with a capital 'M 'and supernatural in origin.'
Not many minutes afterward they emerged on an open, level space, close under a crannied 'and ledge-ribbed cliff, and exchanged their single-file mode of progression to threeabreast. The ground was a hard, brittle crust of surface, so crystalline and dry as never to suggest that it was aught else but crystalline and dry all the way down. In an ebullition of spirits, desiring to keep both men on an equality of favor, Leoncia seized their hands and started them into a run. At the end of half a dozen strides the disaster happened. Simultaneously Henry and Francis broke through the crust, sinking to their thighs, and Leoncia was only a second behind them in breaking through and sinking almost as deep.
'Hell's bells!' Henry muttered. 'It's the very devil's own landscape.'
And his low-spoken words were whispered back to him from the near-by cliffs on all sides and endlessly and sibilantly repeated.
Not at first did they fully apprehend their danger. It was when', by their struggles, they found themselves waistdeep and steadily sinking, that the two men grasped the gravity of the situation. Leoncia still laughed at the predicament, for it seemed no more than that to her.
'Quicksand,' Francis gasped.
'Quicksand!' all the landscape gasped back at him, and continued to gasp it in fading ghostly whispers, repeating it and gossiping about it with gleeful unction.
'It's a pot-hole filled with quicksand,' Henry corroborated.
