Paper, 'On the difference of structure between the human membrana tympani and that of the elephant' by Sir Everard Home Illustrations for this paper have been separated from the manuscript and are found at PT/73/10/3-6. Subject: Anatomy / Zoology Published in Philosophical Transactions as 'On the difference of structure between the human membrana tympani and that of the elephant'. Read 12 December 1822. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 2, 1833. [1822]