Unpublished paper, 'Notice relative to the form of the blood-particles of the Ornithorhynchus hystrix' by John Davy
Reference number: AP/23/23
Date: 13 April 1840

Description
Davy observes that a portion of the blood of the Ornithorhynchus hystrix, when mixed with a strong solution of common salt, exhibits some globules of irregular shape. Another portion of blood observed by Davy, preserved in syrup, contains numerous globules of irregular and circular shape. Davy concludes that as none of the globules are elliptical, like those of birds, the Ornithorhynchus hystrix is more likely to belong in the class of Mammalia.
Subject: Zoology / Haematology
Received 15 April 1840.
Written by Davy in Chatham [England].
Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 4 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'Notice relative to the form of the blood-particles of the ornithorhynchus hystrix'.
- Reference number
- AP/23/23
- Earliest possible date
- 13 April 1840
- Physical description
- Ink on paper
- Page extent
- 4 pages
- Format
- Manuscript
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Citation
John Davy, Unpublished paper, 'Notice relative to the form of the blood-particles of the Ornithorhynchus hystrix' by John Davy, 13 April 1840, AP/23/23, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_23_23/unpublished-paper-notice-relative-to-the-form-of-the-blood-particles-of-the-ornithorhynchus-hystrix-by-john-davy, accessed on 12 February 2025
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Related Publications
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Notice relative to the form of the blood-particles of the ornithorhynchus hystrix External link, opens in new tab.
Date: 31st December 1843
DOI: 10.1098/rspl.1837.0118
Hierarchy
This item is part of:
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Archived papers: volume 23, scientific papers submitted the Royal Society unpublished or abstracted, 1838-1840
1838-1840 Reference number: AP/23
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John Davy
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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is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.View collection