To the truth of which, the credit of Adams is completely pledged.

On many other subjects it is _possible_ that his narrative might be considerably at variance with the truth, by a mere defect of memory or observation, and without justifying any imputation on his veracity, but it is evident that no such latitude can be allowed him in respect to the La Mar Zarah, which, if not in substance true, must be knowingly and wilfully false.
We shall conclude our remarks on Adams' narrative, by noticing only two important circumstances, respectively propitious and adverse to the progress of discovery and civilization, which is decidedly confirmed by the account of Adams, viz.

the mild and tractable natures of the pagan negroes of Soudan, and their friendly deportment towards strangers, on the one hand; and, on the other, the extended and baneful range of that original feature of African society -- slavery..