OF SELBORNE. 129 



tenths of an inch lower than the barometers 

 at South Lambeth; whence we may con- 

 clude that the former place is about three 

 hundred feet higher than the latter ; and 

 with good reason, because the streams that 

 rise with us run into the Thames at Wey- 

 bridge, and so to London. Of course there- 

 fore there must be lower ground all the 

 way from Selborne to South Lambeth ; the 

 distance between which, all the windings 

 and indentings of the streams considered, 

 cannot be less than an hundred miles. 



I am, Sec, 



LETTER LXI. 



TO THE SAME. 







SINCE the weather of a district is un- 

 doubtedly part of its natural history, I 

 shall make no further apology for the four 

 following letters, which will contain many 

 particulars concerning some of the great 

 VOL. IT. K 



