Credit: ©The Royal Society
    Image number: RS.21401

    Incubated chicken egg

    Date
    1675
    Creator
    Unknown, Engraver
    After
    Marcello Malpighi (1628 - 1694, Italian) , Physician
    Object type
    Library reference
    54269
    Material
    Dimensions
    height (page): 362mm
    width (page): 231mm
    height (plate): 306mm
    width (plate): 207mm
    Subject
    Description
    Microscopic studies of the stages of development of the yoke and foetus in an incubated chicken egg.

    Figure 22 [upper left]: Veins in the yoke after 40 hours of incubation.
    Figure 23 [upper right]: The foetus after 40 hours.
    Figure 23 [lower left]: The foetus in the yoke after two days.
    Figure 24 [lower right]: The foetus after two days.

    Inscribed ‘TAB. III’ at the top of the page.

    Table 3 III in the appendix to Marcello Malpighi’s Anatome plantarum, ‘De ovo incubato’.

    Marcello Malpighi (1628-1694), Italian biologist and physician, was elected a Fellow of the Royal Society in 1669.
    Object history
    In October of 1762 Malpighi sent the Royal Society an extensive account [MS/103/1] of the development of the chick in an egg as a follow up to his earlier Dissertatio Epistolica de Formatione Pulli in Ovo (1673) on the same subject.

    It was read at the Royal Society on 22 January 1673 [JBO/5, pp.6], ordered for printing two years later on 17 June 1675 [CMO/1/221], and published as the appendix to Malpighi’s Anatome Plantarum (1675), along with seven illustrative plates.
    Associated place
    <The World>
       > Europe
          > Italy
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