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Paper, 'Two memoirs. I. Of the naked snail which produces purple; II. New observation of the worms that form sponge' by Jean Andre Peyssonel

Reference number: L&P/3/296

Date: 1758

Description

17 pages in French and 12 pages in English.

Subject: Zoology

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

Reference number
L&P/3/296
Earliest possible date
1758
Physical description
Ink on paper
Page extent
29 pages
Format
Manuscript

Creator name

Jean Andre Peyssonel

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Citation

Jean Andre Peyssonel, Paper, 'Two memoirs. I. Of the naked snail which produces purple; II. New observation of the worms that form sponge' by Jean Andre Peyssonel, 1758, L&P/3/296, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/l-and-p_3_296/paper-two-memoirs-i-of-the-naked-snail-which-produces-purple-ii-new-observation-of-the-worms-that-form-sponge-by-jean-andre-peyssonel, accessed on 11 February 2026

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  • Letters and Papers

    'Letters and Papers' contains the scientific correspondence sent to the Royal Society through the 18th century, many of which were published in its journal.

    Dates: 1741 - 1806

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