Paper, 'On the enumeration of x-edra having triedral summits, and an (x-1)-gonal base' by Rev Tho [Thomas] P [Penyngton] Kirkman Subject: Mathematics Published in Philosophical Transactions as 'On the enumeration of x-edra having triedral summits, and an (x-1)-gonal base'. Written by Kirkman at Croft Rectory, near Warrington [Cheshire]. Communicated by A [Arthur] Cayley. Received by the Royal Society on 13 June 1855. Read 21 June 1855. 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. May 1855