ADANSOn's NARRATIV'E, 
ran with such swiftness, that it scarcely appear- 
ed to touch the ground. The ostrich moves ex- 
actly in the manner of the partridge ; and as the 
latter, with its short legs, outstrips the swiftest 
runner, it may be inferred what the former will 
effect with dimensions so much larger. It is 
hence suggested what important services might be 
drawn from the ostrich, could it be trained and 
managed as a domestic animal. 
In the course of this voyage, our author had 
an opportunity of observing two trees, of a very 
remarkable character. The first was the man- 
grove. These are not more than fifty feet high. 
They grow only in water, or on banks daily in- 
undated by the tide. But the remarkable circum- 
stance is, that their lowest branches throw down 
roots, which penetrate, and strike into the bed 
of the river. They form thus a species of natural 
arcade, and their top a transparent terrace, which 
might even be walked over were not the branches 
too much encumbered with leaves. The other 
tree is the baobab, which he calls calabash, re- 
markable not for its height, which does not ex- 
ceed sixty feet, but for its prodigious thickness. 
In one which he was shown in the island of Se- 
negal, he extended his arms thirteen times as 
wide as he possibly could, before he embraced its 
circumference. On measuring it round with a 
packthread, he found it sixty-five feet; which 
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