APPENDIX. 
283 
University of Oxford, May 15th, 1819, on the Endowment 
of a Readership in Geology by H.R.H. the Prince Regent. 
Oxford, 1820. 
On Geology and Mineralogy considered with reference to Natural 
Theology. Two Vols. London, 1836. 
Addresses to the British Association, 1832 and 1833. 
Addresses to the Geological Society, 1840 and 1841. 
