The Portuguese Say That The Greatest Height Which The March Floods Attain Is Thirty Feet At Tette, And This Happens Only About Every Fourth Year; Their Observations, However, Have Never Been Very Accurate On Anything But Ivory, And They Have In This Case Trusted To Memory Alone.

The only fluviometer at Tette, or anywhere else on the river, was set up at our suggestion; and the

First flood was at its greatest height of thirteen feet six inches on the 17th January, 1859, and then gradually fell a few feet, until succeeded by the greater flood of March. The river rises suddenly, the water is highly discoloured and impure, and there is a four-knot current in many places; but in a day or two after the first rush of waters is passed, the current becomes more equally spread over the whole bed of the river, and resumes its usual rate in the channel, although continuing in flood. The Zambesi water at other times is almost chemically pure, and the photographer would find that it is nearly as good as distilled water for the nitrate of silver bath.

A third visit to Kebrabasa was made for the purpose of ascertaining whether it might be navigable when the Zambesi was in flood, the chief point of interest being of course Morumbwa; it was found that the rapids observed in our first trip had disappeared, and that while they were smoothed over, in a few places the current had increased in strength. As the river fell rapidly while we were on the journey, the cataract of Morumbwa did not differ materially from what it was when discovered. Some fishermen assured us that it was not visible when the river was at its fullest, and that the current was then not very strong. On this occasion we travelled on the right bank, and found it, with the additional inconvenience of rain, as rough and fatiguing as the left had been. Our progress was impeded by the tall wet grass and dripping boughs, and consequent fever. During the earlier part of the journey we came upon a few deserted hamlets only; but at last in a pleasant valley we met some of the people of the country, who were miserably poor and hungry. The women were gathering wild fruits in the woods. A young man having consented for two yards of cotton cloth to show us a short path to the cataract led us up a steep hill to a village perched on the edge of one of its precipices; a thunderstorm coming on at the time, the headman invited us to take shelter in a hut until it had passed. Our guide having informed him of what he knew and conceived to be our object, was favoured in return with a long reply in well-sounding blank verse; at the end of every line the guide, who listened with deep attention, responded with a grunt, which soon became so ludicrous that our men burst into a loud laugh.

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