[ 477 ] 
Such hath been the fuccefs, that has not unfre- 
quently crowned the empirical ufe of tbele waters ; 
which, though, in fome of thefe cafes, it might un- 
doubtedly have been better conducted in the hands of 
the prudent phyfician, may, however, fuffice to con- 
vince us, that the vitriolic waters are a branch of the 
materia medica, not to be defpifed nor overlooked, 
in the cure of many ftubborn chronical difeafes. 
Dublin, 15 February, 1750. 
XL VI. An Account of that Part of Afnerica, 
which is ncareft to the Land of Kamt- 
chatka j extraEied from the Defcription 
of Kamtchatka by Pi'ofefjor Kraflienni- 
coff, planted at Peterfburg, in two Vo- 
lumes , 4to. in 1759; and tranfated and 
communicated by the Rev . D. Dumarefque, 
D. D. Chaplain to the Englifh. FaElory at 
Peterfburg. 
CHAPTER X. 
Of America. 
Read Jan. 24, A Lthough we have no exadl and cir- 
cumftantial accounts of America, 
which lies eaft of Kamtchatka, for which reafon, 
the defcription cf that country might be deferred to 
the time, that the voyage to America, at the Kamt- 
chatka expedition, will be publifhed; neverthelefs, 
Q^q q 2 for 
