Paintings, coagulated human blood and crystals by [Franz Andreas Bauer] Plate 1 showing a section through an 'aneurismal tumor' with two views of crystallised salts under magnification. Figure 1 appearing here on the bottom of the plate was moved in the published version, the subject of a pencilled note to the engraver, lower left: 'NB Figure 1 to be placed at the top of the Plate'. The work is inscribed with publication and plate details. Not signed. Royal Society stamp verso. Subject: Physiology Published in Philosophical Transactions as part of paper titled 'The Croonian Lecture. A farther investigation of the component parts of the blood' by Everard Home. Read to the Royal Society on 4 November 1819. [1819]