[ 484 ] 



9°. It is even faid to have depofited in fome places a vifcid 

 liquid of a difagreeable tafle, 24 Roz. 20. i Mem. Dijon, 1783, 

 p. 229. Nay fome fay it was accompanied by an acrid or ful- 

 phureous fmell, 23 Roz. Journ. p. 203, and 24 Roz. p. 410. 



Other circumftances are mentioned by the authors quoted, 

 but with fome variation, fuch as muft be expefled to arife from 

 different fituations as well as from the different ftates of this mift. 



From an attentive confideration of thefe obfervations I am 

 difpofed to concur with the opinion of Sir William Hamilton, 

 Phil. Tranf. 1783, p. 194 ^nd 199. That this haze was caufed 

 by the immenfe quantity of inflammable air extricated from the 

 bowels of the earth during the earthquakes of Calabria, flrongly 

 eledtrified, and impregnated with fulphureous bituminous, earthy 

 and metallic particles. The quantity v\[as fuch as to diffufe itfelf 

 after a few months over moft parts of Europe. While thefe he- 

 terogenous particles were held in folution the tranfparency of the 

 atmofphere was not altered; it was otherwife when they began 

 to precipitate. 



Then i*^. The obfcurity and dark red colour of the haze may 

 be attributed to the fulphureous metallic, &c. particles, which ab- 

 forbed all but the leaft refrangible folar rays, particularly at fun- 

 rife and fun-fet. 



2do. The 



