Perhaps, _Sir_, here you may object, that it is acting disengenuously, and not like a Friend, to give you an Account of those Persons only where I have succeeded. To this I answer, that excepting one Woman, that was emaciated almost to the last Degree by the excessive Discharge of a fætid Icorous Matter from her Breast, and an Abscess under her Arm, and who was carried off by a violent Loosness, I never had a Person miscarried under my Care, where I proposed a Cure. That poor Woman I suffered my self to be persuaded to take care of, having but little Prospect of effecting it, yet my Endeavours succeeded so well, that had it been in our Power to put a Stop to her Loosness, I am of opinion she might have been cured. What has been hitherto said, I do not question but is sufficient to satisfy you, that this formidable _Disease_ is not so rebellious, but that it may be sometimes conquered by Art; and I might here relate a Case I have at this present Writing, wherein not only a Part of the _Cancer_ was fixed, but there were hard _Cancerous_ Knots extended to the Arm-pit; and yet this seems to be almost well; the Ulcer that remains, and which heals daily, not being much broader than a Crown Piece. But in regard the Patient is not entirely cured, I shall reserve this Relation untill another Opportunity; though I will embrace the present to assure you that I am, _SIR_, _Your very respectful Brother, and Humble Servant,_ W^m. Beckett. _Hatton-Garden, July 12, 1711._ _A Solution of some Curious_ Problems _concerning_ Cancers. PROBLEM I. _Whether the Cancerous Juice is Corrosive, or not._