So far back as the year 1757 the submarine forest of Mounts Bay was 
noted by the Rev. W. Borlase, and was subsequently described by Dr. Boase 
in the year 1822. The latter represents it as buried beneath deposits 
of sand and gravel, the removal of which by the sea is constantly laying 
it bare the outward prolongation of the vegetable bed extending beneath 
the sea. Between Penzance and Newlyn he notes a bed of vegetable 

1 See W. A. E. Ussher on ' The Recent Geology of Cornwall ' (articles reprinted from the Geol. 
Mag.), 1879 > anc * the Post-Tertiary Geology of Cornwall (printed for private circulation), 1879.