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 in damp years especially, overgrown with long grass.

Pointing to a tall acacia that stood out conspicuously over the plain to the south, our guide informed us that it was situated beside a rushy spot, which we should reach before sunset, and where there was no doubt we should find water. We did, indeed, reach the place in the course of the afternoon, but it proved a mere dried-up rain-pool, the only semblance of water which it contained being a thick green semi-fluid full of tadpoles, sect larvæ, and infusoria, and smelling strong of ammonia. The very look of it was enough ordinarily to excite disgust, but so intense was our thirst that we ladled out the stuff, teeming with visible and invisible life as it was, into a napkin, and tried to filter it into a tumbler. We managed to get about a glass and a half of slimy liquid which we divided amongst our whole party, but in spite of the craving for more drink, we were not induced to repeat the experiment.

We rested about two hours, and made another advance on our way before camping for the night. As we approached the Vaal, the trees and bushes disappeared, and the grass became shorter, forming excellent pasturage for cattle.

On the evening of the next day, just as the sun was beginning to set behind the Free State shore of the Vaal, a little Batlapin boy, who was tending a lot of goats on the plain, told us that the river was close behind some hills to which he pointed. Look-