MRS. MARY DE LA RIVIERE (1663 or 1672-1724).-Novelist, dramatist, and political writer, _dau._ of Sir Roger Manley, was decoyed into a bigamous connection with her cousin, John M. Her subsequent career was one of highly dubious morality, but considerable literary success. Her principal works are _The New Atalantis_ (_sic_) (1709), a satire in