A short account of that part of Africa, inhabited by the Negroes; with respect to the fertility of the country; the good disposition of many of the natives, and the manner by which the slave trade is carried on. / Extracted from several authors, in order to shew the iniquity of that trade, and the falsity of the arguments usually advanced in its vindication. ; With a quotation from George Wallis's [i.e. Wallace's] System of the laws, &c. and a large extract from a pamphlet, lately published in London, on the subject of the slave trade. ; [Seven lines of Scripture texts]