. of the late Tejtilence. 133 FURTHERMORE thefe external Parts not only grew dry from the Acri- mony of this Venom, but were alfo very liable to Mortification by an Extinction of the vital Spirits *, but enough of this, be- caufe it would be but adding Light to the Noon-day Sun, to endeavour to con*> firm it by more Testimonies. THESE Tokens did differ iri Regard to their Colour and Hardnefs ^ of their Co- lour we iliall fpeak hereafter : Their Hardnefs I ufed to try with a Needle or Penknife, to fee whether the Senle and Life was perifhed or not ; in which Trials I found a great deal of Difference, as fome would be penetrated with very little Trouble, when others were even callous and horny, and difficult to be per netrated. The Origin of thefe I conjecture to be from the nervous Juice, or fome gelatinous Subfrance evaporated into a gummy Confidence, not unlike thofe horny Excrefcencies from the Bones their Co* lour and Affinity in many P.efpecl's With W harts is alio remarkable. K 3 .AJ*D
