Letter, on demonstrating vascular communication between uterus and placenta from Richd [Richard] Owen to Robert Lee Letter printed as part of Lee's paper on human placentae. The manuscript for Lee's paper is found at PT/20/1. Subject: Anatomy Paper published in Philosophical Transactions as 'On the structure of the human placenta, and its connexion with the uterus'. Abstract of paper 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 3, 1837. 17 November 1831