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 of peflikntial Difeafes. 1 1 Travellers report, that Sarrat in the Eeft-Jn* dies is feldom or never free from a Plague, which is afcribed to the mean Diet of the Natives, who are Banians, and feed on little elfe than Herbs, Water, Rice, and fuch like pitiful Fare j for it is obferved, that the Europeans who trade there, are in no Danger of being infetled, becaufe they feed well on Fle/h, and drink Wine, which fecures them againft thofe malignant Difeafes. A Third Caufe is afcribed to Mineral Eruptions and fubterraneous Exhalations. Veftilences from this Caufe are • more Infre- quent than from feveral others } becaufe fuch Eruptions hardly ever happen but upon Earthquakes, or Breaking into the Bowels of the Earth by Mines, Pits, Wells, and the, like - 7 and then too, in Order to produce a Tcfiilcnce, it is necellary that whatlbever ex- hales and mixes with the ambient 4ir muft be of fuch a Nature, as to render it unrefpirable j or to communicate by it iueh Particles to the Animal Juices as will per- vert their natural Crafis, and difhirb their due Secretions which does not often hap-* pen, for there are frequent Shocks of the Earth from inteftine Fermentations, which are not followed by any fuch Mifchlefs, as they