CONTENTS. 



PACK 



different altitudes in the Uilly Districts of Lanca- 

 shire, Cheshire, and Derbyshire. 3. Inundation of 

 the Indus, a.d. 1842, 4. Flood of the Macquaric, 



392-393 



5. The Glacial Theory not abandoned by its author, 

 Professor Agassiz. 6. Level of the Caspian and 

 Dead Seas. 7. Common Salt. 8. Talus Slopes. 

 9. On the remains of Marine Shells of Existing 

 Species found interspersed in deep portions of the 

 Hills of Drift and Boulders in the Heights of Brook- 

 lyn, on Long Island, near New York, . 396—398 



10. The Number of Vertebrate, Molluscous, Articulated, 

 and Radiated Animals. 11. On Changes in the 

 Fauna of Sweden. 12. On the Sounds emitted by 

 Molluscs. 13. On the Boring of the Molluscs into 

 Rocks, and on the removal of portions of their Shells, 



399-404 



XIX. Mr Thomson's Letter on Parallel Roads of Lochaber, 404 



XX. List of Patents granted for Scotland from 22d June 



to 22d September 1848 405 



Index, 4O9 



