Paper, 'An introductory memoir upon quantics' by A [Arthur] Cayley Subject: Mathematics Published in Philosophical Transactions as 'An introductory memoir upon quantics'. Received by the Royal Society on 20 April 1854. Read 4 May 1854. 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 7, 1856. [1854]