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His comeliness, however, was so feminine, that he was sometimes called "Fonoo," or the Girl. Our first view of Juam was imposing. A dark green pile of cliffs, towering some one hundred toises; at top, presenting a range of steep, gable-pointed projections; as if some Titanic hammer and chisel had shaped the mass.
We first stopped at a spring issuing, not from the calcareous rock, but from a layer of quartzose sandstone. The temperature was 21 degrees, consequently 1.5 degrees less than the spring of Quetepe; and the difference of the level is nearly 220 toises. Wherever the sandstone appears above ground the soil is level, and constitutes as it were small platforms, succeeding each other like steps.
If the earth was most agitated on the coasts, because they are the lowest part of the land, why should not the oscillations be equally strong and frequent on those vast savannahs or prairies,* which are scarcely eight or ten toises above the level of the ocean?
The Andes are scarcely inhabited beyond the height of two thousand toises; and at that height the proximity of the soil, and the masses of mountains, which form the shoals of the aerial ocean, have a sensible influence on the ambient air. What we observe on the table-land of Antisana is not what we should find at the same height in a balloon, hovering over the Llanos or the surface of the ocean.
We could scarcely persuade ourselves that we were elevated less than one hundred toises above the level of the sea, in the fifth degree of latitude, in the centre of the torrid zone, which has so long been thought to be destitute of cryptogamous plants. The mean temperature of this shady and humid spot probably exceeds twenty-six degrees of the centigrade thermometer.
The bottom of the first-mentioned basins is between 220 and 250 toises high; the bottom of the latter is 460 toises above the level of the Caribbean Sea.
We could observe by the chronometer the moment when the disk of the sun touched the horizon of the sea. The first contact was at 6 hours 8 minutes 13 seconds; the second, at 6 hours 10 minutes 26 seconds; mean time. This observation, which is not unimportant for the theory of terrestrial refractions, was made on the summit of the mountain, at the absolute height of 296 toises.
I have shown above the importance of the four tributary streams which the Orinoco receives from the mountains of Parima. Near the mouth of the Caura, between the villages of San Pedro de Alcantara and San Francisco de Aripao, a small lake of four hundred toises in diameter was formed in 1790, by the sinking of the ground, consequent on an earthquake.
That celebrated naturalist, M. de Saussure, attributes Goitres not to the water, but to the heat of the climate, and to the stagnation of the air, and he informs us, he has never seen Goitres in any place elevated 5 or 6,000 toises above the level of the sea, and that they are most common in valleys where there is not a free circulation of air.
It was a very magnificent structure, its length being 2529 toises, exclusive of the lines of junction, formed on the two islands.
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