Encloses engraving [extant] of a fossilised tree about 30 feet high, which was standing in 1803 on cliffs at Bog Hall near Newbiggen, Northumberland; fragments of other trees, at the time the drawing was taken, were scattered on the shore. He is on his way to Oxford but had intended to call on Smith in Norwich to enquire about preserving birds with "corrosive sublimate", as practised by one of Smith's friends.

Engraving of fossilised tree.