At that famous period of history, when the seventeenth century (after a deal of quarrelling, king-killing, reforming, republicanising, restoring, re-restoring, play-writing, sermon- writing, Oliver-Cromwellising, Stuartising, and Orangising, to be sure) had sunk into its grave, giving place to the lusty eighteenth; when Mr. Isaac Newton was a tutor of Trinity, and Mr. Joseph Addison Commissioner of Appeals; when the presiding genius that watched over the destinies of the Fren