di det i el le 
Meteorological Objervations. 519 
the weather, which will be of great ufe to thofe 
-who have not been accuftomed to make fuch 
obfervations, and will fave much labour to thofe 
who have. It contains ruled columns for a 
regifter of the barometer, thermometer, hygro- 
_Mmeter, and wind, at three periods in every day, 
and the quantity of rain falling each day, with ~ 
_ columns for particular and general obfervations. 
Perhaps one ftill more convenient might be 
drawn up, and printed at the expence of the 
fociety. 
_ The fubje& of Meteorology is treated in a 
very philofophical and fatisfactory manner by 
Dr. Darwin, in the firft volume of his Botanic 
Garden. ‘The theory of the winds there given, 
bids fair to explain moft of the meteorological 
phenomena.—And, I am of opinion, that if 
regifters could be kept fo as to determine, at 
what hour the winds began to change in many 
parts of the world, fomething concerning the 
weather might be learnt: for, (as Dr. Darwin 
obferves, in a letter which I lately received 
from him) the variation of the courfe of the 
_ wind feems to be the caufe of, or key to, the 
other phenomena of froft or rain; and this, 
which is the principal circumftance in atmof- 
pheric theory, is moft deficient in experiments. 
For the convenience of comparing the diffe- 
rent parts of the following obfervations, I have 
divided | 
