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The Royal Society: Science in the Making

Paper, 'On the flask-shaped ectoderm and spongoblasts in one of the Keratosa' by George Bidder

Reference number: PP/20/15

Date: 1892

Description

Bidder writes: 'In my “Note on Excretion in Sponges,” [see PP/19/16] published by the Society in the ‘Proceedings’ of this year, I said: “Both from my own ob­servations on an Aplysilla (?) . . . . and from a study of Schulze’s detailed description .... particularly in I am persuaded that the ectoderm cells of the horny sponges are of the same form and character as those in the Homocoela.”'

Annotations in pencil and ink. Includes three plates of magnified anatomical figures.

Subject: Zoology

Received 15 June 1892. Read 16 June 1892. Communicated by Adam Sedgwick.

A version of this paper was published in volume 52 of the Proceedings of the Royal Society as 'On the flask-shaped ectoderm and spongoblasts in one of the Keratosa'.

Reference number
PP/20/15
Earliest possible date
1892
Physical description
Ink and graphite pencil on paper
Page extent
14 pages
Format
Manuscript
Drawing

Creator name

George Parker Bidder

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Citation

George Parker Bidder, Paper, 'On the flask-shaped ectoderm and spongoblasts in one of the Keratosa' by George Bidder, 1892, PP/20/15, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/pp_20_15/paper-on-the-flask-shaped-ectoderm-and-spongoblasts-in-one-of-the-keratosa-by-george-bidder, accessed on 16 January 2025

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https://makingscience.royalsociety.org/items/pp_20_15/paper-on-the-flask-shaped-ectoderm-and-spongoblasts-in-one-of-the-keratosa-by-george-bidder

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  • Proceedings Papers

    Dates: 1882 - 1894

    The archival collection known as 'Proceedings Papers' is comprised of manuscripts and occasional proofs of scientific papers sent to the Royal Society which were read before meetings of Fellows and printed in full in the Proceedings of the Royal Society.

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