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 of a ipeftilence, &c. 79 like a Snake in the Grafs, being raifed by the Peftilential Infe&ion, iiew up into a Salivation^ for the febrile Heat, aiTifted with Medicines alfo of an hot Nature, throw up the Mercury^ which had long lain quiet like a Sublimation } which mould be a Caution, not only to young Phyfici- ans, but thofe of more {landing in Practice, not to be fo bufie with mercurial Medi- cines, to Children as well as grown Per- fons, as they are too much apt to be j leaft, befides the Inconveniencies already mentioned, they caufe malignant Ulcers, and Rotennefs upon the Bones, as it is too commonly obferved to be done in irregular Practice, to the irreparable Detriment of the Patients. I am not however ignorant that {bmetimes the Peftilential Venom may tumifie the lk- lival Glands without any other Aiiiftance, and occafion Ulcers in the Mouth as with Mercury } for it is a common Cafe in many malignant Fevers. BUT it is fo clear a Matter that the Peftilential and venereal Poifons may inti- mately join together by their Affinity with one another, to the great Detriment of