MURCHISON, Roderick Impey <br/><br/>
On the vents of hot vapour in Tuscany and their relations to ancient lines of fracture and eruption 

 -  London  1850 
 - 18p., illus.  22cm. 
<br/><br/> Offprint from Quarterly journal of the Geological Society of London, v.6, Nov. 1850.  Bound with the Author's On the geological structure of the Alps... [1849] 
<br/><br/><label>Dewey Class. No.: </label>201