Joshua Alder (1792 - 1867)


Joshua Alder (1792 - 1867) was a zoologist and a malacologist, who specialized in the Tunicata, and in gastropods. The Alders were an old Alnwick family, but Joshua was brought up and spent most of his adult life based in Newcastle[1], living much of his life at 5 Ravensworth Terrace in the Summerhill area of Newcastle. He was active in the Literary and Philosophical Society of Newcastle upon Tyne and was one of the founding members of the Natural History Society of Northumberland.

Joshua Alder (7 April 1792 – 21 January 1867) was a British zoologist and a malacologist. He specialized in the Tunicata, and in gastropods.

He was a Member of the Natural History Society of Northumberland and Durham.

Bibliography

  • Alder J. (1838). "Supplement to a catalogue of the land and fresh-water testaceous Mollusca, found in the vicinity of Newcastle". Transactions of the Natural History Society of Northumberland and Durham 1(3): 337-342. Newcastle.
  • Alder J. (1841). "Observations on the genus Polycera of Cuvier, with descriptions of two new British species". Annals and Magazine of Natural History. 6: 337–342.
  • Alder J. & Hancock A. (1845-1855). A monograph of the British nudibranchiate Mollusca: with figures of all the species. The Ray Society, London. Published in 8 parts:
  • Alder J. & Hancock A. (1845) part 1.
  • Alder J. & Hancock A. (1846) part 2.
  • Alder J. & Hancock A. (1847) part 3.
  • Alder J. & Hancock A. (1848) part 4.
  • Alder J. & Hancock A. (1851) part 5.
  • Alder J. & Hancock A. (1854) part 6.
  • Alder J. & Hancock A. (1855) part 7.
  • Eliot E. (1910) part 8 (suppl.)
  • Alder J. & Hancock A. (October 1851). "Descriptions of two new species of nudibranchiate Mollusca, one of them forming the type of a new genus". Annals and Magazine of Natural History (series 2)8(46): 290-302, pls. 9-10.
  • Alder, Joshua, Embleton, Dennis, Hancock, Albany, Hopkinson, John,Norman, Alfred Merle, 1905-12 The British Tunicata; an unfinished monograph, by the late Joshua Alder and the late Albany Hancock. Edited by John Hopkinson, with a history of the work by the Rev. A. M. Norman.London,Printed for the Ray society.

Taxa described

Names or synonyms of tunicates described by Joshua Alder include:

  • Dicoryne conferta (Alder, 1856)
  • Eudendrium capillare Alder, 1856
  • Hydractinia areolata Alder, 1862
  • Corymorpha nana Alder, 1857
  • Campanularia hincksii Alder, 1856
  • Laomedea flexuosa Alder, 1857
  • Laomedea neglecta Alder, 1856
  • Halecium nanum Alder, 1859

Taxa of gastropods described by Joshua Alder include:

  • Polyceroidea Alder & Hancock, 1845
  • Fiona Alder & Hancock, 1851
  • Chromodoris Alder & Hancock, 1855
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Joshua Alder
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Natural History Society of Northumbria
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Literary and Philosophical Society of Newcastle upon Tyne
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Men of mark 'twixt Tyne and Tweed by Richard Welford, 1895
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