1825.] 



the Surface Water of the Atlantic, 



33^ 



Observations made during a Voyage from Jamaica to .Ejigtdndy in 

 his Majestifs Packet Francis Freeling, 



Article V. 

 On the Value of Leases . 

 (To the Editors of tlie Annals of Philosophy,) 

 GENTLEMEN, - ' 



The following question being one of very frequent occurrence, 

 and having met w^ith no solution of it, you will oblige me by the 

 insertion of that which I now send. 



A leasehold estate, after deducting ground rent, produces 

 annually a clear improved rental of {a). It is renewable every 



