Drawing, 'Cat' by [Martin Barry] Plate 5, figure 10 showing parasitic ovisacs and membranes from a cat [Felis catus]. Figure pasted onto backing sheet. Inscribed with figure details. Blue ink inscription across top reads 'Ground not quite so dark, the bodies h less distinct'. Red ink inscription next to figure reading '8' struck out in black ink. Struck out mathematics equation in ink verso. Not signed. The manuscript for this paper is wanting. Subject: Biology / Zoology Published in Philosophical Transactions as part of paper titled 'Researches in embryology. First series' by Martin Barry Received by the Royal Society on 20 June 1838. Read 21 June 1838. [1838]