"jazz" in England in 1831?

[Gerald Cohen]

       I would be grateful for the exact reference of Lord
Palmerston's 1831 letter with "jazzing around"?

---Gerald Cohen

>Date:         Sun, 14 Oct 2001
>From: "Paul M. Johnson" <paulzjoh at MTNHOME.COM>
>Subject:      Re: Jazzology (1916?  Texas?)
>
>There is an 1831 letter from Lord Palmerston referring to Tallyrand
>which says T. was Jazzing around.  Probably used as a vulgarity as in
>"jaser/jazer" a french word referring to gossiping, but was used as
>slang for carnal intercourse.