Drawings, 'Corpuscles of the blood' by [Martin Barry] Plate 19, figures 55-62 and 254 showing blood corpuscles from a frog [Rana temporaria], an oyster [Ostrea edulis; European flat oyster], a turtle, an ox [Bos taurus; cattle], a lobster [Cancer marinus; Homarus gammarus], and a leech [Hirudo medicinalis, European medicinal leech]. Figure 254, labelled 'Embryology', shows the formation of a thin membrane on a rabbit ovum. Inscribed with title, publication, and plate details. Figures drawn separately and mounted onto backing board. Not signed. Subject: Physiology Figures 55-62 published in Philosophical Transactions as part of paper titled 'On the corpuscles of the blood.-Part II' by Martin Barry. Figure 254 published as part of paper titled 'Supplementary note to a paper entitled "Researches in embryology. Third series: A contribution to the physiology of cells"' by Martin Barry. Received by the Royal Society on 13 January 1841. Read 14 January 1841. [1841]