Paper, 'On a class of differential equations, including those which occur in dynamical problems. Part II' by W F [William Fishburn] Donkin 142 manuscript pages including one figure. Includes errata from part I of Donkin's paper. Subject: Mathematics Published in Philosophical Transactions as 'On a class of differential equations, including those which occur in dynamical problems. - Part II'. Written by Donkin in Oxford. Received by the Royal Society on 17 February 1855. Read 22 March 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. 15 February 1855