The sunbonnet girl; a comic operetta in two acts.

LELAWALA; OR, THE MAID OF NIAGARA, a dramatic operetta in three acts.

PENN, ARTHUR A. Cindy; a fantastic modern fairy operetta.

The best of the plays was a little operetta written by your mother, called "William and Susan," in which Lotty and Harriet sang delightfully in parts; but this must have been later on than the game period.

He had written some fugitive pieces of music, and had attempted and failed in several slight operettas, composing both music and words; but the work which made Rousseau famous was his essay on a subject propounded in 1749 by the Academy of Dijon: "Has the Progress of Science and the Arts Contributed to Corrupt or to Purify Morals?"