Old Stones: Notes Of Lectures On The Plutonic, Silurian, And Devonian Rocks In The Neighborhood Of Malvern (1855) is a book written by William Samuel Symonds. The book is a collection of lectures that focus on the geological history of the Malvern Hills and the surrounding area. The lectures cover the three main types of rocks found in the area: plutonic, silurian, and devonian. Symonds provides a detailed analysis of each type of rock, including...