[ 409 ] 
introduced my linger thro’ the wound into the cavity 
of the thorax , but found no adhefion of the lungs. 
From whence I am inclined to conjecture, that this 
abfcefs was originally formed in the cellular mem- 
brane of the pleura , which had at length made its 
way into the cavity. 
What feems to corroborate this conjecture, is, that 
the violent fymptoms, which happen'd upon lying 
on the found tide, or upon fitting upright, did not 
occur till within a week before his application to me. 
From the moment the matter was difcharged, he 
found immediate eale, his refpiratior^ became quiet ; 
his fever and cough gradually abated, till in about 
fix weeks he became perfectly well in all refpeCts, 
and was accordingly difmifs'd the hofpital. 
The difcharge from the wound continued in con- 
liderable quantities for the firft fortnight} during 
which time the wound was kept properly open with 
tents : but when the difcharge was no more than 
what might be expeCled from any fuperficial wound 
of the fame fize, all tents were diluted, and fuper- 
ficial applications only made ufe of. 
LX VII. An Account of the Eruption of Mount 
Vefuvius in 061 . 1751, in a Letter to Sir 
Matthew Fetherfton-Haugh, Bart. F.R.S . 
written at Naples Jan. 15, 1 752, N. S. 
Read Mar. 19,^ | 'HAT, which has taken up our at- 
1 7 52 ' tention, and aftonifh’d us moll, is 
the eruption of Mount Vefuvius. As it was a fuf- 
prifing prodigy of nature, I Ihall, for your ainufement, 
Fff fill 
