[ 564 ] 
LXXXIV. Obfer vat ions made upon the Brim- 
frone-Hill (in French La Souffriere) in 
the JJland of Guadelupa ; by J elm Andrew 
Peyffonel, M. D. Member of the Royal 
Academies of Sciences of Paris and Mont- 
pelier, and of Marfeilles and Rouen ; the 
King of France ’ s Phyfecian and Botanif 
heretofore on the Coaft of Barbary, a?id now 
in the If and oj Guadelupa, F. R. S. Tranf- 
lated from the French by M. Maty, M. D. 
and F.R.S. 
Read Mar. 25 ,r~ 
175 6 . 
"'HE Band of Guadelupa is not the 
only one of the American Antilles,, 
that has Volcanoes and mines of brimlfone ; few are 
without them. They are to be found in Marti- 
nico, Dominica, St. Chrihopher’s, St. Lucia; and all 
thefe illands produce fulphur, pumice-hones, and 
other fubhances ufually found in Volcanoes. 
The mountain, upon which I made my obfer- 
vations,|is called La Souffriere, or Brimhone-hill, be- 
caufe it contains ores of fulphur; and its fummit con- 
handy emits fmoke, and fometimes flames. Jt is 
very high, and forms a kind of truncated cone. It 
riles above the chain of mountains, that occupy the 
center of the ifland, and run through all its length 
from North to South. This conical mountain is 
about three leagues from the fea fhore, Eah, Weh, 
and South, and therefore almoh in the middle of 
the Southern part of the ifland. 
The 
