that Disease are not always carried off with those Impurities, which were discharged by the Inoculation. And the second Thing alledged is, that this Operation performed on Persons, who have already had the Small-Pox, will bring forth the same Eruptions, and be accompanied with the same Gleet discharged from the Wound, which happens to those who never had that Distemper before, and now only an imperfect Imitation of it; whence one may reasonably argue, that these false Eruptions may be wholly unmixt and unconcerned with the Principles of the Small-Pox, since they alike follow upon Inoculation, whether the Person has ever had or had not that Distemper before. And since this can only be made appear by Instances or Examples, I shall take that Method of proving the Assertion. To prove the first I shall relate the following History.
A Girl of twelve Years old, well grown, and of a swarthy Complexion, after her being inoculated had a pretty large Flushing, or Efflorescence, spread over her Skin, and was disordered by feverish Heat; the tenth or eleventh Day three or four Pimples, or Pustules, broke forth upon the Head, and there was a large Discharge of Matter from the Wound: This Maitland, the Inoculator, affirmed would as effectually secure her from the Small-Pox for the future, as if she had had them in a fair genuine Way. Awhile after, the Gentleman, to whom the Opera-
