Dramatic Feuilleton Personne writes that after that day's performance at the Academy of Music, the venue will close until September.  He discusses the intended program and the possible plans for the performers over the summer months.  Personne reviews Brougham's new play, <cite>Art and Artifice</cite>.  There is also a brief mention that the Florences are continuing their run at Wallack's and Personne takes note of Keller's "curious" production at Niblo's.