A composite manuscript with the letters 'MSS.' in gold on the spine. Pages 1-13 and 99-119 are possibly in the hand of William Owen [-Pughe]. The contents are: pp. 1-8, 'The Roman Towns in Britain according to the Itenerary [sic] of Antonius and their distance from each o[ther]'; pp. 9-11, 'Names of the sevl. British Nations & where situated'; pp. 13-49, 'Wallis's Logick', in the form of questions and answers in English; pp. 81-98, 'De Graecarum Linguarum Proprietate, ex scriptis De Arte Joannis Grammatici'; pp. 99-108, a list of old Welsh words with their meanings; pp. 109-11, a list of Welsh 'Names of Fish' with English equivalents; and pp. 113-18, a list of the Welsh names of birds ('Adar'), with English equivalents. The volume also contains a receipt, 1802, from J. Topham, Treasurer of the Society of Antiquaries of London, to William Owen [-Pughe] for his annual subscription.