A Letter to John Gage ... by William Young Ottley on a Manuscript in the British Museum, Believed by Him to be of the Second Or Third Century and Containing the Translation of Aratus's Astronomical Poem by Cicero, Accompanied by Drawings of the Constellations: with a Preliminary Dissertation in Proof of the Use of Minuscule Writing by the Ancient Romans; and a Corrected Edition of the Poem Itself, Including Ten Lines Not Heretofore Known