l obferved laft yigar, tbat the bigheft fdtcb f ever 
found the Mercury at, was 30,40 inches. But Dec. 22. 
laft,the Weather being ntiifling,and Wiijd Northerly, it 
afcended to 56^50 inches, the higheft I ever faw k at 
Upminfier. 
Whether the obfervations my Regifter is filled with^ 
will be of any ufe, to judge of the Fertility or Scarci- 
ty, the Healthinefs or Difeafes,or any other occurrences 
of the la ft, or of former or future years, I (hall leave 
to the much better judgments of the learned Members 
of your Honourable Society, who have been pleafed 
to accept of my paft labours of this kind, and by their 
defires to command my continuance of the fame for the 
future. Whether what I have done may anfwer your 
expectations, I am not able to judge. I can only 
aflure you, that it is done with all poflible accuracy 
and fidelity. 
I beg pardon for the chafms which you will meet 
with in fome of the months, occafioned by my abfence 
from my obfervations about neceflary affairs. lam 
SI 
Tour mojl Bnmbk Servant^ 
W- Derham^ 
