ABISSINIA.
45
"Of the wall it is very easy to assign the motives. It secured a wealthy and timorous nation from the incursions of Barbarians, whose unskilfulness in arts made it easier for them to supply their wants by rapine than by industry, and who from time to time poured in upon the habitations of peaceful commerce, as vultures descend upon domestick fowl. Their celerity and fierceness made the wall necessary, and their ignorance made it efficacious.
"But for the pyramids no reason has ever been given adequate to the cost and labour of the work. The narrowness of the chambers proves that it could afford no retreat from enemies, and treasures might have been reposited at far less expence with equal security. It seems to
have