Rare Transactions of the Royal Society of Arts and Sciences, Mauritius; New Series Vol. XV 1884, 152 pp. plus supplement and summary. Contains notes on Society Meetings, extinct fauna of New Zealand, Madagascar plants 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 water mark on cover spine but not affecting contents. Stamp of the Royal Society on cover. Very difficult to get hold of, and rarely offered.