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keep the Water fo long as the others. Of that Sort 
alfo is the Soil in the abovementioned Plains of Bay}- 
fella^ where, about feven or eight Tears fince, they 
obferved a good Number of the fmalleft Ignes Fattii 
in the Fields, within the Compafs of about three 
Miles. One Thing 1 will beg Leave to add, that ac- 
cording to the befl Informations I have hitherto been 
able to procure, thefe Lights are great Friends to 
Brooks and Rivers, being frequently obferved along 
the Banks of them, perhaps becaufe the Air carries 
them thither more eafily than any where elfe. In all 
other Particulars, as in their Motion, the Manner of 
their Appearance, their difappearing fometimes very 
fuddenly, their Light, the Height they rife to, and 
their not being affected either by rainy or cold Wea- 
ther, they are the very fame with the Cularji above 
deferibedfor the large fV'dlwith a as obferved 
in the Plains. 
1 intended here to have clofed this Account, but I 
cannot forbear adding the following Obfervation, which 
in my Opinion is very curious and fingular. I am 
indebted for it to a young Gentleman, a very accurate 
and knowing Obferver of natural Appeai;ances. Tra- 
velling fometime in March laft, between eight and 
nine in the Evening, in a mountainous Road not far 
from our Lady del Sarfcy about ten Miles South of 
"^Bolognay as he 'approached a certain River called 
Rioverde^ he perceived a Light, which fhone very 
ftrongly upon fome Stones that lay upon the Banks. 
It feemed to be about two Foot above the Stones, and' 
not far from the Water of 'the River: In Figure and 
Largenefs it had(the App'eafancelof 'Ci'ParaJlelopipedy 
fomewhat’ above a Bologneje^ Foot in Length, and 
^ ' about 
