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Brown shows that the zones of fission in Lineus gesserensis coincide with the transverse markings observable externally at definite intervals on its body and that the process of fission in all cases proceeds from within outwards, i.e., from the digestive canal towards the cutaneous tissues, amongst other observations.

Includes two pages of figures of Lineus gesserensis and a printed summary of the paper.

Subject: Biology / Zoology

Received 1 February 1897. Read 5 February 1897.Communicated by [William Carmichael] McIntosh.

Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 61 of the Proceedings of the Royal Society as 'Fragmentation in Lineus gesserensis'.

Reference number
Earliest possible date
Physical description
Ink and graphite pencil on paper
Page extent
24 pages

Creator name

Alexander Brown

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Alexander Brown, Unpublished paper, 'Fragmentation in Lineus gesserensis' by Alexander Brown, 1897, AP/73/4, The Royal Society Archives, London,, accessed on 21 July 2024

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  • Archived Papers

    Dates: 1768-1989

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

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