The Life and Adventures of Michael Armstrong, the Factory Boy. By Frances Trollope. London: Colburn, Great Marlborough-street. Part III.Never can great talents, such as Mrs. Trollope unquestionably possesses, be more beneficially employed than in the exposure of cruelty and barbarity, and in exciting the sympathies of mankind in behalf of oppressed and suffering humanity. We are, therefore, exceedingly glad that Mrs. Trollope has devoted the energies of her powerful and fertile mind to the production of this at once striking, amusing, and useful work, in which the fair authoress paints, with the hand of a master, the portraiture of the great factory lord, rolling in all the wealth and luxury of the world, and contrasts therewith the poverty, the misery, and wretchedness of the whiteslaves in too many of the factories of England. The narrative is well written, the characters introduced admirably ’* hit off,” and the illustrations much superior to the^ “ general run” of the “ cuts” which accompany periodicals of this kind; and to those who are partial to this kind of reading we can recommend this interesting work.