threatening them in vain and disconcerted, he took notice that the wind raised the dust and carried it up towards the caves of the Characitanians, the mouths of which, as I said before, opened towards the north; and the northerly wind, which some call Cæcias, prevailing most in those parts, coming up out of moist plains or mountains covered with snow, at this particular time, in the heat of summer, being further supplied and increased by the melting of the ice in the northern regions, blew a delightful fresh gale, cooling and refreshing the Characitanians and their cattle all the day long. Sertorius, considering well all circumstances in which either the information of the inhabitants, or his own experience had instructed him, commanded his soldiers to shovel up a great quantity of this light, dusty earth, to heap it up together, and make a mount of it over against the hill in which these barbarous people resided, who, imagining that all this preparation was for raising a mound to get at them, only mocked and laughed at it. However, he continued the work till the evening, and brought his soldiers back into their camp. The next morning a gentle breeze at first arose, and moved the lightest parts of the earth, and dispersed it about as the chaff before the wind; but when the sun coming to be higher, the strong northerly wind had covered the hills with the dust, the soldiers came and turned this mound of earth over and over, and broke the hard clods in pieces, whilst others on horseback rode through it backward and forward, and raised a cloud of dust into the air: there with the wind the whole of it was carried away and blown into the dwellings of the Characitanians, all lying open to the north. And there being no other vent or breathing-place than that through which the Caecias rushed in upon them, it quickly blinded their eyes, and filled their lungs, and all but choked them, whilst they strove to draw in the rough air min-
