It is gratifying to be able to record that great improvement has taken place in the performance, at the Princess's, of Mr. Wills's "Mary Queen of Scots." The performers, having become familiar with the text, partake nightly more and more of its poetic spirit, and deliver it with an increasing degree of vital force. There are, indeed, peculiarities in Mr. Wills's blank verse, and sometimes liberties which verge on licence, arising, we believe, from the author's anxiety to throw variety into its music.