Thomas Tyrwhitt, an English author, born in London, March 29, 1730, died there, Aug. 15, 1786. He graduated at Oxford in 1750, and in 1756 was appointed under secretary of war, and in 1762 clerk of the house of commons. He resigned office in 1768. Two years previous to his death he was appointed a curator of the British museum. His principal works in English are "Observations on some Passages in Shakespeare" (8vo, Oxford, 1766), and an edition of Chaucer's "Canterbury Tales," with an "Essay on his Language and Versification, an Introductory Discourse, and Notes " (5 vols. 8vo, London, 1773-'8). He aided in the publication of Chatterton's "Poems by Rowley," and supported the authorship of them by Chatterton. He also published in Latin notes, animadversions, and conjectures on writings by Plutarch, Babrius (the supposed author of Aesop's fables), Aeschylus, Euripides, Aristophanes, Strabo, and others. His principal work in this department of literature was an edition of Aristotle's " Poetics," published posthumously in 1794.