ABSTRACT
[No. I first published in the New Monthly Magazine, XI, October 1824, pp. 312–16; No. II first published in the New Monthly Magazine, XI, November 1824, pp. 451–54; No. III first published in the New Monthly Magazine, XI, December 1824, pp. 496– 99; No. IV first published in the New Monthly Magazine, XIII, January 1825, pp. 46–48. 1
