ft, 



PREFACE. 



The following Report contains a Summary of the 

 investigations of a Committee appointed by the Britisli 

 Association for the Advancement of Science at Swansea 

 in 1880, an Abstract of which will be presented to the 

 Association at its next Meeting. 



The Returns relating to Scotland have been arranged 

 by Mr. Harvie-Brown ; those for the East Coast of 

 England, by Mr. Cordeaux ; and the West Coast of 

 England, by Mr. Philip Kermode. 





^cov*^^^^^^'^^' 



