|Paper, 'Two memoirs. I. Of the naked snail which produces purple; II. New observation of the worms that form sponge' by Jean Andre Peyssonel
|17 pages in French and 12 pages in English.
Both papers published in Philosophical Transactions, as 'Observations on the limax non cochleata purpur ferens, the naked snail producing purple. By John Andrew Peyssonel, M. D. F. R. S. Translated from the French' and 'New observations upon the worms that form sponges. By John Andrew Peyssonel, M. D. F. R. S. Translated from the French'
Read 23 February 1758
|Ink on paper
|View item on Science in the Making
Fellows associated with this archive
|Peyssonel; Jean Andre (1694 - 1758)
|1694 - 1758