with an outline of glacial and post-tertiary geology and remarks on the origin of species : with special reference to man's first appearance on the earth

with some remarks upon the surrounding formations : (read before the American Philisophical Society, March 14th, 1859)

to which is appended a special report on the correlation of the coal measures in Western Pennsylvania and Eastern Ohio

being three lectures on the geology of Clapham, and the neighbourhood of London generally, delivered to the members of the Clapham athenaeum, Clapham common, on 1st may, 1854, and 7th and 21st april, 1856