text:  To keep up the population only in these countries will probably require 130 000 people from Africa yearly; while interest will lead the agricultural capitalist in those countries to bring only effective labourers and these as a matter of course chiefly males; which will tend to perpetuate the evils arising from the inequality of the sexes and thus continue to a period the most remote the demand from Africa and consequently a continued expense equal perhaps to L30 each for every effective free labourer brought from that continent