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SANITARY CONDITIONS UNDERGROUND.
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we glided gently downward, without the least sensation of being in motion. It seemed to me not that we were descending, but that the walls of the shaft were rising around us, while our position was stationary.
"Contrary to expectation, we found the air quite agreeable. The official who accompanied us said it was peculiarly conducive to health; and many of the employés of the mines had been at work there forty or fifty
DESCENDING THE SHAFT.
years, and had never lost a day from illness. We had supposed it would be damp and cold, but, on the contrary, found it dry and of an agreeable temperature, which remains nearly the same all through the year. No doubt the salt has much to do with this healthy condition. Occasionally
