Drawings, mammary foetuses of the pygmy opossum and kangaroo by [Richard Owen] Plate 7, figures 6-7 and 9-12 showing mammary foetuses of the pgymy opossum [Acrobates pygmaeus; feathertail glider] and the kangaroo, including details of the brain. The figures are drawn on individual cards (figures 9-12 on one card) and mounted on a single backing sheet. Inscribed with publication and plate details. Not signed. The manuscript for this paper is wanting. Subject: Zoology Published in Philosophical Transactions as part of paper titled 'On the generation of the marsupial animals, with a description of the impregnated uterus of the Kangaroo' by Richard Owen. Received by the Royal Society on 9 January 1834. Read 24 April 1834. [1834]