On the Animal Calculus. 24 j 
cent and fofc Liquor of Rivers ; but for this 
very Reafoii it ought nor, unlcfs noon meet 
Necediry, to be made ufe of ; this Qiiality be- 
ing owing to the Mineral Particles and Alu- 
minotis Salts, with which it is impregnated. 
20. A late Author (fays the Dr.) viz. Dr. 
‘‘ y, //. Seder a Aquarum, or a Supplement to 
Afr.Grant on the Bills ofAIortality^by fearch- 
ing into the f rft Accounts of the Diftem- 
per we call the Scurvey, deferibed by Pliny 
Lib. 1 ^. c. 5. and Strabo Geogr. Lib. 6. 
under the promifeuous Names of Stomacace 
ax\(^ Scelotyrbe-, and examining the authentic 
Hiftories of it, in later Years, made by the 
moil: obferving Phyficians in thofe Countries 
where it was unhappily revived, as Olatis 
Magnus^ BaUuinus Ronfeus, J. JVierus., 
Solomon Albertus, 6cc. finds that the Ori- 
gine of it, was in all Times and Places 
“ charged upon the Ufe of unwholfome Rag- 
‘‘ nacing Waters. Then by comparing toge- 
ther the Clayie Strata of the Earth about 
the Cities of London^ Paris and Amjkr- 
dam., he fliews that where the Water is 
^ worR, there this Malady is moR rife. So 
that he has put it out of all doubt, that 
moR of the perplexed and complicated 
R 3 Symptoms 
