Rare Transactions of the Royal Society of Arts and Sciences, Mauritius; New Series Vol. XX 1889, 100 pp. Contains notes on Society Meetings, plants, fish etc. Original paper cover, contents complete. As with all of this issue, paper quality was poor, so there is some toning and foxing. Cover has minor nicks, some of the spine missing. Stamp of the Royal Society on cover. Very difficult to get hold of, and rarely offered.