ON THE DROUGHT OF 1858. 109 



In the year 1700 l'J-03 inches, 



1701 « 1''^'69 V 



1702 » 20-38 „ 



1703 23-99 „ 



1704 15-80 „ 



1705 16-93 „ 



Mean annual fall 19-14 „ 



From the register kept by the Eoyal Society, we arrive at 

 the quantity of rain that fell in the neighbourhood of London 

 during the seven years between 1774-1780. 



In the year 1774 26 3 inches. 



1775 24-1 „ 



1776 20-3 „ 



1777 .....o 25-4 „ 



1778 20-8 „ 



1779 26-8 „ 



1780 17-3 „ 



J5 



Mean annual fall 23.0 „ 



About the end of the last century, Dr. Dalton compiled the 

 following valuable table, showing the average fall in a few 

 counties during several years : — 



Counties. Places. Mean. 



Middlesex London (7 years) 23-0 



Surrey Lambeth ( 9 years) 22-7 



Hertfordshire Ware (5 years) 25-0 



Huntingdonshire Kimbolton (7 years) 25*0 



Derbyshire Chatsworth (15 years) 27-8 



Rutland Lyndon (21 years) 24-3 



Northamptonshire Oundle (14 years) 23-0 



General mean 24.4 



The Royal Society's register was removed, a few years ago, 

 to our national observatory at Greenwich, where the most trust- 



