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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1874. Excerpt: ... CHAPTER XIV. DANGER IN DISGUISE. TT)Y the end of September the astronomers had accomplished half their task. Their diminished numbers added to their fatigue, so that, notwithstanding their zeal, they occasionally had to recruit themselves by resting for several days. The heat was very overpowering. October in latitude 24 degrees South, corresponds to April in Algeria, and for some hours after mid-day work was impossible. The bushman was alone uneasy at the delay, for he was aware that the arc was about to pass through a singular region called a "karroo," similar to that at the foot of the Roggeveld mountains in Cape Colony. In the damp season this district presents signs of the greatest fertility; after a few days of rain the soil is covered with a dense verdure; in a very short time flowers and plants spring up everywhere; pasturage increases, and water-courses are formed; troops of antelopes descend from the heights and take possession of these unexpected prairies. But this strange effort of nature is of short duration. In a month, or six weeks at most, all the moisture is absorbed by the sun; the soil becomes hardened, and chokes the fresh germs; vegetation disappears in a few days; the animals fly the region; and where for a while there was a rich fertility, the desert again asserts its dominion. This karroo had to be crossed before reaching the permanent desert bordering on Lake Ngami. The bushman was naturally eager to traverse this region before the extreme aridity should have exhausted the springs. He explained his reasons to the Colonel, who perfectly understood, and promised to hurry on the work, without suffering its precision to be affected. Since, on account of the state of the atmosphere, measuring was not always practicable, the operations ...
