Observations on Reversionary Payments on Schemes for providing (Annuities) for Widows and for Persons in Old Age; on the method of calculating the values of Assurances on Lives and on the National debt, also Essays on different Subjects in the Doctrine of Live Annuities and Political Arithmetic; a collection of New Table and a Postscript on the Population of the Kingdom, to which are added Algebraical Notes, the Solution of several new problems in the Doctrine of Annuities, 5th ed., Vol. II