Paper, 'On the black retemucosum of the negro [sic], being a defence against the scorching effect of the sun's rays' by Sir Everard Home 12 manuscript pages and one plate showing a solar eclipse across a three-hour period on 7 September 1820. Subject: Anatomy Published in Philosophical Transactions as 'On the black rete mucosum of the Negro [sic], being a defence against the scorching effect of the sun's rays'. Read 9 November 1820. 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. [1820]