( 71 3 ) 
of the Bottom of the Crater^ out of the very middle 
of the Mountain, contrary to what BoreUm imagines* 
whofe Method of explaining the Eruption of a Folcana 
by an indexed Syphon, and the Rules of H^drofiaticks^ 
is likewife inconfiftent with the Torrent’s flowing down 
from the very Vertex of the Mountain. I have not 
feen the Crater fince tlie Eruption, but defign to vifit 
it again before I leave Naples. I doubt there is no- 
thing in this worth Ibevving the Society 5 as to that, 
you will ufe your Difcretion. 
E. Berkeley 
yi. An Account of an extraordinary TUMOUR.' 
or WEN lately cut off the Cheek, of a ^erfon in 
Scotland. Communicated to the ^yal Society by 
T>r, Thomas Bower^ M. D, and F. 
I T is generally acknowledg’d, that the exacSb Obler- 
vation of internal Difeafes, and the faithful Ac- 
counts of external Tumours, and extraordinary 
Cafes in Chirurgery, have contributed very much to 
the Advancement of Medicine. Hippocrates and Galen, 
and other ancient Fathers of Medicine, have fet us fait 
Copies of this ; and the Moderns, happily following 
their Footfteps, have illuftrated this Matter by many 
curious Obfervations and Reflections. The Royal So- 
cieties and Colleges of Firtuofi, that are now over all 
Europe, have taken much pains in this Affair, and have 
given us many Inftances and Examples of Extraordi- 
nary Cafes in Medicine, which are of great ufe to all 
the Pradifers of Phyfick and Chirurgery. Accordi^^g 
to thefe laudable Examples I fhall, for the Satisfadion 
Y y y y y 2 of 
