[ 269 ] 



Of the VARIATIONS of the ATMOSPHERE. 

 By RICHARD KIRWAN, Efq; L.L.D. F.R.S.and P.RJ.A. 



A HE variations of the known properties of the atmofphere, ^^^'Jgo^i!"' 

 viz. of its flate of moifture or drynefs, and its difpofition to 

 admit, retain, or difmifs the watery fluid, its temperature, gravity, 

 elafticity, and eledricity in different feafons, and frequently in 

 the fame feafon, and in different years, in the fame or in dif- 

 ferent latitudes, at the fame or at different diftances, whether 

 vertical or lateral, from the oceans feparating the two continents 

 that form the folid mafs of the globe, as well as on thofe oceans 

 themfelves, and the currents which from different points with 

 more or lefs permanency agitate the whole atmofpheric mafs, 

 form, together with the inveftigation of their caufes, the principal 

 objeds of meteorological fcience. ' 



Vol. VIII. 



LI 



Though 



